PostgreSQL Source Code  git master
typecmds.h File Reference
#include "access/htup.h"
#include "catalog/dependency.h"
#include "parser/parse_node.h"
Include dependency graph for typecmds.h:
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Macros

#define DEFAULT_TYPDELIM   ','
 

Functions

ObjectAddress DefineType (ParseState *pstate, List *names, List *parameters)
 
void RemoveTypeById (Oid typeOid)
 
ObjectAddress DefineDomain (CreateDomainStmt *stmt)
 
ObjectAddress DefineEnum (CreateEnumStmt *stmt)
 
ObjectAddress DefineRange (ParseState *pstate, CreateRangeStmt *stmt)
 
ObjectAddress AlterEnum (AlterEnumStmt *stmt)
 
ObjectAddress DefineCompositeType (RangeVar *typevar, List *coldeflist)
 
Oid AssignTypeArrayOid (void)
 
Oid AssignTypeMultirangeOid (void)
 
Oid AssignTypeMultirangeArrayOid (void)
 
ObjectAddress AlterDomainDefault (List *names, Node *defaultRaw)
 
ObjectAddress AlterDomainNotNull (List *names, bool notNull)
 
ObjectAddress AlterDomainAddConstraint (List *names, Node *constr, ObjectAddress *constrAddr)
 
ObjectAddress AlterDomainValidateConstraint (List *names, const char *constrName)
 
ObjectAddress AlterDomainDropConstraint (List *names, const char *constrName, DropBehavior behavior, bool missing_ok)
 
void checkDomainOwner (HeapTuple tup)
 
ObjectAddress RenameType (RenameStmt *stmt)
 
ObjectAddress AlterTypeOwner (List *names, Oid newOwnerId, ObjectType objecttype)
 
void AlterTypeOwner_oid (Oid typeOid, Oid newOwnerId, bool hasDependEntry)
 
void AlterTypeOwnerInternal (Oid typeOid, Oid newOwnerId)
 
ObjectAddress AlterTypeNamespace (List *names, const char *newschema, ObjectType objecttype, Oid *oldschema)
 
Oid AlterTypeNamespace_oid (Oid typeOid, Oid nspOid, ObjectAddresses *objsMoved)
 
Oid AlterTypeNamespaceInternal (Oid typeOid, Oid nspOid, bool isImplicitArray, bool errorOnTableType, ObjectAddresses *objsMoved)
 
ObjectAddress AlterType (AlterTypeStmt *stmt)
 

Macro Definition Documentation

◆ DEFAULT_TYPDELIM

#define DEFAULT_TYPDELIM   ','

Function Documentation

◆ AlterDomainAddConstraint()

ObjectAddress AlterDomainAddConstraint ( List names,
Node constr,
ObjectAddress constrAddr 
)

Definition at line 2919 of file typecmds.c.

References CacheInvalidateHeapTuple(), checkDomainOwner(), CONSTR_ATTR_DEFERRABLE, CONSTR_ATTR_DEFERRED, CONSTR_ATTR_IMMEDIATE, CONSTR_ATTR_NOT_DEFERRABLE, CONSTR_CHECK, CONSTR_EXCLUSION, CONSTR_FOREIGN, CONSTR_PRIMARY, CONSTR_UNIQUE, Constraint::contype, domainAddConstraint(), elog, ereport, errcode(), errmsg(), ERROR, GETSTRUCT, HeapTupleIsValid, IsA, makeTypeNameFromNameList(), NameStr, nodeTag, ObjectAddressSet, ObjectIdGetDatum, RowExclusiveLock, SearchSysCacheCopy1, Constraint::skip_validation, table_close(), table_open(), typenameTypeId(), TYPEOID, and validateDomainConstraint().

Referenced by ATExecCmd(), and ProcessUtilitySlow().

2921 {
2922  TypeName *typename;
2923  Oid domainoid;
2924  Relation typrel;
2925  HeapTuple tup;
2926  Form_pg_type typTup;
2927  Constraint *constr;
2928  char *ccbin;
2929  ObjectAddress address;
2930 
2931  /* Make a TypeName so we can use standard type lookup machinery */
2932  typename = makeTypeNameFromNameList(names);
2933  domainoid = typenameTypeId(NULL, typename);
2934 
2935  /* Look up the domain in the type table */
2936  typrel = table_open(TypeRelationId, RowExclusiveLock);
2937 
2938  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2939  if (!HeapTupleIsValid(tup))
2940  elog(ERROR, "cache lookup failed for type %u", domainoid);
2941  typTup = (Form_pg_type) GETSTRUCT(tup);
2942 
2943  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2944  checkDomainOwner(tup);
2945 
2946  if (!IsA(newConstraint, Constraint))
2947  elog(ERROR, "unrecognized node type: %d",
2948  (int) nodeTag(newConstraint));
2949 
2950  constr = (Constraint *) newConstraint;
2951 
2952  switch (constr->contype)
2953  {
2954  case CONSTR_CHECK:
2955  /* processed below */
2956  break;
2957 
2958  case CONSTR_UNIQUE:
2959  ereport(ERROR,
2960  (errcode(ERRCODE_SYNTAX_ERROR),
2961  errmsg("unique constraints not possible for domains")));
2962  break;
2963 
2964  case CONSTR_PRIMARY:
2965  ereport(ERROR,
2966  (errcode(ERRCODE_SYNTAX_ERROR),
2967  errmsg("primary key constraints not possible for domains")));
2968  break;
2969 
2970  case CONSTR_EXCLUSION:
2971  ereport(ERROR,
2972  (errcode(ERRCODE_SYNTAX_ERROR),
2973  errmsg("exclusion constraints not possible for domains")));
2974  break;
2975 
2976  case CONSTR_FOREIGN:
2977  ereport(ERROR,
2978  (errcode(ERRCODE_SYNTAX_ERROR),
2979  errmsg("foreign key constraints not possible for domains")));
2980  break;
2981 
2984  case CONSTR_ATTR_DEFERRED:
2985  case CONSTR_ATTR_IMMEDIATE:
2986  ereport(ERROR,
2987  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
2988  errmsg("specifying constraint deferrability not supported for domains")));
2989  break;
2990 
2991  default:
2992  elog(ERROR, "unrecognized constraint subtype: %d",
2993  (int) constr->contype);
2994  break;
2995  }
2996 
2997  /*
2998  * Since all other constraint types throw errors, this must be a check
2999  * constraint. First, process the constraint expression and add an entry
3000  * to pg_constraint.
3001  */
3002 
3003  ccbin = domainAddConstraint(domainoid, typTup->typnamespace,
3004  typTup->typbasetype, typTup->typtypmod,
3005  constr, NameStr(typTup->typname), constrAddr);
3006 
3007  /*
3008  * If requested to validate the constraint, test all values stored in the
3009  * attributes based on the domain the constraint is being added to.
3010  */
3011  if (!constr->skip_validation)
3012  validateDomainConstraint(domainoid, ccbin);
3013 
3014  /*
3015  * We must send out an sinval message for the domain, to ensure that any
3016  * dependent plans get rebuilt. Since this command doesn't change the
3017  * domain's pg_type row, that won't happen automatically; do it manually.
3018  */
3019  CacheInvalidateHeapTuple(typrel, tup, NULL);
3020 
3021  ObjectAddressSet(address, TypeRelationId, domainoid);
3022 
3023  /* Clean up */
3024  table_close(typrel, RowExclusiveLock);
3025 
3026  return address;
3027 }
#define IsA(nodeptr, _type_)
Definition: nodes.h:587
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
void CacheInvalidateHeapTuple(Relation relation, HeapTuple tuple, HeapTuple newtuple)
Definition: inval.c:1186
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
static char * domainAddConstraint(Oid domainOid, Oid domainNamespace, Oid baseTypeOid, int typMod, Constraint *constr, const char *domainName, ObjectAddress *constrAddr)
Definition: typecmds.c:3446
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define RowExclusiveLock
Definition: lockdefs.h:38
#define ereport(elevel,...)
Definition: elog.h:157
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define nodeTag(nodeptr)
Definition: nodes.h:541
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3426
static void validateDomainConstraint(Oid domainoid, char *ccbin)
Definition: typecmds.c:3137
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
#define NameStr(name)
Definition: c.h:681
ConstrType contype
Definition: parsenodes.h:2263
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
bool skip_validation
Definition: parsenodes.h:2308
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterDomainDefault()

ObjectAddress AlterDomainDefault ( List names,
Node defaultRaw 
)

Definition at line 2568 of file typecmds.c.

References CatalogTupleUpdate(), checkDomainOwner(), cookDefault(), CStringGetTextDatum, deparse_expression(), elog, ERROR, GenerateTypeDependencies(), GETSTRUCT, heap_freetuple(), heap_modify_tuple(), HeapTupleIsValid, InvokeObjectPostAlterHook, IsA, make_parsestate(), makeTypeNameFromNameList(), MemSet, NameStr, NIL, nodeToString(), ObjectAddressSet, ObjectIdGetDatum, RelationGetDescr, RowExclusiveLock, SearchSysCacheCopy1, HeapTupleData::t_self, table_close(), table_open(), typenameTypeId(), and TYPEOID.

Referenced by ProcessUtilitySlow().

2569 {
2570  TypeName *typename;
2571  Oid domainoid;
2572  HeapTuple tup;
2573  ParseState *pstate;
2574  Relation rel;
2575  char *defaultValue;
2576  Node *defaultExpr = NULL; /* NULL if no default specified */
2577  Datum new_record[Natts_pg_type];
2578  bool new_record_nulls[Natts_pg_type];
2579  bool new_record_repl[Natts_pg_type];
2580  HeapTuple newtuple;
2581  Form_pg_type typTup;
2582  ObjectAddress address;
2583 
2584  /* Make a TypeName so we can use standard type lookup machinery */
2585  typename = makeTypeNameFromNameList(names);
2586  domainoid = typenameTypeId(NULL, typename);
2587 
2588  /* Look up the domain in the type table */
2589  rel = table_open(TypeRelationId, RowExclusiveLock);
2590 
2591  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2592  if (!HeapTupleIsValid(tup))
2593  elog(ERROR, "cache lookup failed for type %u", domainoid);
2594  typTup = (Form_pg_type) GETSTRUCT(tup);
2595 
2596  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2597  checkDomainOwner(tup);
2598 
2599  /* Setup new tuple */
2600  MemSet(new_record, (Datum) 0, sizeof(new_record));
2601  MemSet(new_record_nulls, false, sizeof(new_record_nulls));
2602  MemSet(new_record_repl, false, sizeof(new_record_repl));
2603 
2604  /* Store the new default into the tuple */
2605  if (defaultRaw)
2606  {
2607  /* Create a dummy ParseState for transformExpr */
2608  pstate = make_parsestate(NULL);
2609 
2610  /*
2611  * Cook the colDef->raw_expr into an expression. Note: Name is
2612  * strictly for error message
2613  */
2614  defaultExpr = cookDefault(pstate, defaultRaw,
2615  typTup->typbasetype,
2616  typTup->typtypmod,
2617  NameStr(typTup->typname),
2618  0);
2619 
2620  /*
2621  * If the expression is just a NULL constant, we treat the command
2622  * like ALTER ... DROP DEFAULT. (But see note for same test in
2623  * DefineDomain.)
2624  */
2625  if (defaultExpr == NULL ||
2626  (IsA(defaultExpr, Const) && ((Const *) defaultExpr)->constisnull))
2627  {
2628  /* Default is NULL, drop it */
2629  defaultExpr = NULL;
2630  new_record_nulls[Anum_pg_type_typdefaultbin - 1] = true;
2631  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2632  new_record_nulls[Anum_pg_type_typdefault - 1] = true;
2633  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2634  }
2635  else
2636  {
2637  /*
2638  * Expression must be stored as a nodeToString result, but we also
2639  * require a valid textual representation (mainly to make life
2640  * easier for pg_dump).
2641  */
2642  defaultValue = deparse_expression(defaultExpr,
2643  NIL, false, false);
2644 
2645  /*
2646  * Form an updated tuple with the new default and write it back.
2647  */
2648  new_record[Anum_pg_type_typdefaultbin - 1] = CStringGetTextDatum(nodeToString(defaultExpr));
2649 
2650  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2651  new_record[Anum_pg_type_typdefault - 1] = CStringGetTextDatum(defaultValue);
2652  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2653  }
2654  }
2655  else
2656  {
2657  /* ALTER ... DROP DEFAULT */
2658  new_record_nulls[Anum_pg_type_typdefaultbin - 1] = true;
2659  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2660  new_record_nulls[Anum_pg_type_typdefault - 1] = true;
2661  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2662  }
2663 
2664  newtuple = heap_modify_tuple(tup, RelationGetDescr(rel),
2665  new_record, new_record_nulls,
2666  new_record_repl);
2667 
2668  CatalogTupleUpdate(rel, &tup->t_self, newtuple);
2669 
2670  /* Rebuild dependencies */
2671  GenerateTypeDependencies(newtuple,
2672  rel,
2673  defaultExpr,
2674  NULL, /* don't have typacl handy */
2675  0, /* relation kind is n/a */
2676  false, /* a domain isn't an implicit array */
2677  false, /* nor is it any kind of dependent type */
2678  false, /* don't touch extension membership */
2679  true); /* We do need to rebuild dependencies */
2680 
2681  InvokeObjectPostAlterHook(TypeRelationId, domainoid, 0);
2682 
2683  ObjectAddressSet(address, TypeRelationId, domainoid);
2684 
2685  /* Clean up */
2687  heap_freetuple(newtuple);
2688 
2689  return address;
2690 }
#define NIL
Definition: pg_list.h:65
#define IsA(nodeptr, _type_)
Definition: nodes.h:587
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
#define RelationGetDescr(relation)
Definition: rel.h:503
Definition: nodes.h:536
#define MemSet(start, val, len)
Definition: c.h:1008
Node * cookDefault(ParseState *pstate, Node *raw_default, Oid atttypid, int32 atttypmod, const char *attname, char attgenerated)
Definition: heap.c:3075
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
unsigned int Oid
Definition: postgres_ext.h:31
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:44
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
ItemPointerData t_self
Definition: htup.h:65
#define RowExclusiveLock
Definition: lockdefs.h:38
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void GenerateTypeDependencies(HeapTuple typeTuple, Relation typeCatalog, Node *defaultExpr, void *typacl, char relationKind, bool isImplicitArray, bool isDependentType, bool makeExtensionDep, bool rebuild)
Definition: pg_type.c:555
uintptr_t Datum
Definition: postgres.h:411
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
char * deparse_expression(Node *expr, List *dpcontext, bool forceprefix, bool showimplicit)
Definition: ruleutils.c:3501
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3426
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
#define NameStr(name)
Definition: c.h:681
#define CStringGetTextDatum(s)
Definition: builtins.h:86
char * nodeToString(const void *obj)
Definition: outfuncs.c:4544
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterDomainDropConstraint()

ObjectAddress AlterDomainDropConstraint ( List names,
const char *  constrName,
DropBehavior  behavior,
bool  missing_ok 
)

Definition at line 2820 of file typecmds.c.

References BTEqualStrategyNumber, CacheInvalidateHeapTuple(), checkDomainOwner(), ObjectAddress::classId, CStringGetDatum, elog, ereport, errcode(), errmsg(), ERROR, GETSTRUCT, HeapTupleIsValid, InvalidOid, makeTypeNameFromNameList(), NOTICE, ObjectAddressSet, ObjectAddress::objectId, ObjectIdGetDatum, ObjectAddress::objectSubId, performDeletion(), RowExclusiveLock, ScanKeyInit(), SearchSysCacheCopy1, systable_beginscan(), systable_endscan(), systable_getnext(), table_close(), table_open(), TypeNameToString(), typenameTypeId(), and TYPEOID.

Referenced by ProcessUtilitySlow().

2822 {
2823  TypeName *typename;
2824  Oid domainoid;
2825  HeapTuple tup;
2826  Relation rel;
2827  Relation conrel;
2828  SysScanDesc conscan;
2829  ScanKeyData skey[3];
2830  HeapTuple contup;
2831  bool found = false;
2832  ObjectAddress address;
2833 
2834  /* Make a TypeName so we can use standard type lookup machinery */
2835  typename = makeTypeNameFromNameList(names);
2836  domainoid = typenameTypeId(NULL, typename);
2837 
2838  /* Look up the domain in the type table */
2839  rel = table_open(TypeRelationId, RowExclusiveLock);
2840 
2841  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2842  if (!HeapTupleIsValid(tup))
2843  elog(ERROR, "cache lookup failed for type %u", domainoid);
2844 
2845  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2846  checkDomainOwner(tup);
2847 
2848  /* Grab an appropriate lock on the pg_constraint relation */
2849  conrel = table_open(ConstraintRelationId, RowExclusiveLock);
2850 
2851  /* Find and remove the target constraint */
2852  ScanKeyInit(&skey[0],
2853  Anum_pg_constraint_conrelid,
2854  BTEqualStrategyNumber, F_OIDEQ,
2856  ScanKeyInit(&skey[1],
2857  Anum_pg_constraint_contypid,
2858  BTEqualStrategyNumber, F_OIDEQ,
2859  ObjectIdGetDatum(domainoid));
2860  ScanKeyInit(&skey[2],
2861  Anum_pg_constraint_conname,
2862  BTEqualStrategyNumber, F_NAMEEQ,
2863  CStringGetDatum(constrName));
2864 
2865  conscan = systable_beginscan(conrel, ConstraintRelidTypidNameIndexId, true,
2866  NULL, 3, skey);
2867 
2868  /* There can be at most one matching row */
2869  if ((contup = systable_getnext(conscan)) != NULL)
2870  {
2871  ObjectAddress conobj;
2872 
2873  conobj.classId = ConstraintRelationId;
2874  conobj.objectId = ((Form_pg_constraint) GETSTRUCT(contup))->oid;
2875  conobj.objectSubId = 0;
2876 
2877  performDeletion(&conobj, behavior, 0);
2878  found = true;
2879  }
2880 
2881  /* Clean up after the scan */
2882  systable_endscan(conscan);
2883  table_close(conrel, RowExclusiveLock);
2884 
2885  if (!found)
2886  {
2887  if (!missing_ok)
2888  ereport(ERROR,
2889  (errcode(ERRCODE_UNDEFINED_OBJECT),
2890  errmsg("constraint \"%s\" of domain \"%s\" does not exist",
2891  constrName, TypeNameToString(typename))));
2892  else
2893  ereport(NOTICE,
2894  (errmsg("constraint \"%s\" of domain \"%s\" does not exist, skipping",
2895  constrName, TypeNameToString(typename))));
2896  }
2897 
2898  /*
2899  * We must send out an sinval message for the domain, to ensure that any
2900  * dependent plans get rebuilt. Since this command doesn't change the
2901  * domain's pg_type row, that won't happen automatically; do it manually.
2902  */
2903  CacheInvalidateHeapTuple(rel, tup, NULL);
2904 
2905  ObjectAddressSet(address, TypeRelationId, domainoid);
2906 
2907  /* Clean up */
2909 
2910  return address;
2911 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
void CacheInvalidateHeapTuple(Relation relation, HeapTuple tuple, HeapTuple newtuple)
Definition: inval.c:1186
void systable_endscan(SysScanDesc sysscan)
Definition: genam.c:595
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
char * TypeNameToString(const TypeName *typeName)
Definition: parse_type.c:480
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
SysScanDesc systable_beginscan(Relation heapRelation, Oid indexId, bool indexOK, Snapshot snapshot, int nkeys, ScanKey key)
Definition: genam.c:383
HeapTuple systable_getnext(SysScanDesc sysscan)
Definition: genam.c:502
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define RowExclusiveLock
Definition: lockdefs.h:38
#define CStringGetDatum(X)
Definition: postgres.h:622
void performDeletion(const ObjectAddress *object, DropBehavior behavior, int flags)
Definition: dependency.c:313
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
#define NOTICE
Definition: elog.h:37
FormData_pg_constraint * Form_pg_constraint
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3426
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
#define BTEqualStrategyNumber
Definition: stratnum.h:31
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterDomainNotNull()

ObjectAddress AlterDomainNotNull ( List names,
bool  notNull 
)

Definition at line 2700 of file typecmds.c.

References attnum, RelToCheck::atts, CatalogTupleUpdate(), checkDomainOwner(), elog, ereport, errcode(), errmsg(), ERROR, errtablecol(), ExecDropSingleTupleTableSlot(), ForwardScanDirection, get_rels_with_domain(), GetLatestSnapshot(), GETSTRUCT, heap_freetuple(), HeapTupleIsValid, i, InvalidObjectAddress, InvokeObjectPostAlterHook, lfirst, makeTypeNameFromNameList(), NameStr, RelToCheck::natts, NoLock, ObjectAddressSet, ObjectIdGetDatum, RegisterSnapshot(), RelToCheck::rel, RelationGetDescr, RelationGetRelationName, RowExclusiveLock, SearchSysCacheCopy1, ShareLock, slot_attisnull(), HeapTupleData::t_self, table_beginscan(), table_close(), table_endscan(), table_open(), table_scan_getnextslot(), table_slot_create(), TupleDescAttr, typenameTypeId(), TYPEOID, and UnregisterSnapshot().

Referenced by ProcessUtilitySlow().

2701 {
2702  TypeName *typename;
2703  Oid domainoid;
2704  Relation typrel;
2705  HeapTuple tup;
2706  Form_pg_type typTup;
2708 
2709  /* Make a TypeName so we can use standard type lookup machinery */
2710  typename = makeTypeNameFromNameList(names);
2711  domainoid = typenameTypeId(NULL, typename);
2712 
2713  /* Look up the domain in the type table */
2714  typrel = table_open(TypeRelationId, RowExclusiveLock);
2715 
2716  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2717  if (!HeapTupleIsValid(tup))
2718  elog(ERROR, "cache lookup failed for type %u", domainoid);
2719  typTup = (Form_pg_type) GETSTRUCT(tup);
2720 
2721  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2722  checkDomainOwner(tup);
2723 
2724  /* Is the domain already set to the desired constraint? */
2725  if (typTup->typnotnull == notNull)
2726  {
2727  table_close(typrel, RowExclusiveLock);
2728  return address;
2729  }
2730 
2731  /* Adding a NOT NULL constraint requires checking existing columns */
2732  if (notNull)
2733  {
2734  List *rels;
2735  ListCell *rt;
2736 
2737  /* Fetch relation list with attributes based on this domain */
2738  /* ShareLock is sufficient to prevent concurrent data changes */
2739 
2740  rels = get_rels_with_domain(domainoid, ShareLock);
2741 
2742  foreach(rt, rels)
2743  {
2744  RelToCheck *rtc = (RelToCheck *) lfirst(rt);
2745  Relation testrel = rtc->rel;
2746  TupleDesc tupdesc = RelationGetDescr(testrel);
2747  TupleTableSlot *slot;
2748  TableScanDesc scan;
2749  Snapshot snapshot;
2750 
2751  /* Scan all tuples in this relation */
2752  snapshot = RegisterSnapshot(GetLatestSnapshot());
2753  scan = table_beginscan(testrel, snapshot, 0, NULL);
2754  slot = table_slot_create(testrel, NULL);
2755  while (table_scan_getnextslot(scan, ForwardScanDirection, slot))
2756  {
2757  int i;
2758 
2759  /* Test attributes that are of the domain */
2760  for (i = 0; i < rtc->natts; i++)
2761  {
2762  int attnum = rtc->atts[i];
2763  Form_pg_attribute attr = TupleDescAttr(tupdesc, attnum - 1);
2764 
2765  if (slot_attisnull(slot, attnum))
2766  {
2767  /*
2768  * In principle the auxiliary information for this
2769  * error should be errdatatype(), but errtablecol()
2770  * seems considerably more useful in practice. Since
2771  * this code only executes in an ALTER DOMAIN command,
2772  * the client should already know which domain is in
2773  * question.
2774  */
2775  ereport(ERROR,
2776  (errcode(ERRCODE_NOT_NULL_VIOLATION),
2777  errmsg("column \"%s\" of table \"%s\" contains null values",
2778  NameStr(attr->attname),
2779  RelationGetRelationName(testrel)),
2780  errtablecol(testrel, attnum)));
2781  }
2782  }
2783  }
2785  table_endscan(scan);
2786  UnregisterSnapshot(snapshot);
2787 
2788  /* Close each rel after processing, but keep lock */
2789  table_close(testrel, NoLock);
2790  }
2791  }
2792 
2793  /*
2794  * Okay to update pg_type row. We can scribble on typTup because it's a
2795  * copy.
2796  */
2797  typTup->typnotnull = notNull;
2798 
2799  CatalogTupleUpdate(typrel, &tup->t_self, tup);
2800 
2801  InvokeObjectPostAlterHook(TypeRelationId, domainoid, 0);
2802 
2803  ObjectAddressSet(address, TypeRelationId, domainoid);
2804 
2805  /* Clean up */
2806  heap_freetuple(tup);
2807  table_close(typrel, RowExclusiveLock);
2808 
2809  return address;
2810 }
TupleTableSlot * table_slot_create(Relation relation, List **reglist)
Definition: tableam.c:91
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
int * atts
Definition: typecmds.c:83
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Snapshot RegisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:810
#define RelationGetDescr(relation)
Definition: rel.h:503
Relation rel
Definition: typecmds.c:81
#define TupleDescAttr(tupdesc, i)
Definition: tupdesc.h:92
int errcode(int sqlerrcode)
Definition: elog.c:698
static bool table_scan_getnextslot(TableScanDesc sscan, ScanDirection direction, TupleTableSlot *slot)
Definition: tableam.h:1032
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
unsigned int Oid
Definition: postgres_ext.h:31
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
static TableScanDesc table_beginscan(Relation rel, Snapshot snapshot, int nkeys, struct ScanKeyData *key)
Definition: tableam.h:883
ItemPointerData t_self
Definition: htup.h:65
#define NoLock
Definition: lockdefs.h:34
void ExecDropSingleTupleTableSlot(TupleTableSlot *slot)
Definition: execTuples.c:1254
#define RowExclusiveLock
Definition: lockdefs.h:38
#define RelationGetRelationName(relation)
Definition: rel.h:511
FormData_pg_attribute * Form_pg_attribute
Definition: pg_attribute.h:207
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void UnregisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:852
static List * get_rels_with_domain(Oid domainOid, LOCKMODE lockmode)
Definition: typecmds.c:3257
int16 attnum
Definition: pg_attribute.h:83
#define ereport(elevel,...)
Definition: elog.h:157
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define lfirst(lc)
Definition: pg_list.h:169
int errtablecol(Relation rel, int attnum)
Definition: relcache.c:5653
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
Snapshot GetLatestSnapshot(void)
Definition: snapmgr.c:325
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3426
static void table_endscan(TableScanDesc scan)
Definition: tableam.h:991
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
const ObjectAddress InvalidObjectAddress
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
#define ShareLock
Definition: lockdefs.h:41
int i
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
#define NameStr(name)
Definition: c.h:681
static bool slot_attisnull(TupleTableSlot *slot, int attnum)
Definition: tuptable.h:367
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
Definition: pg_list.h:50
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291
int natts
Definition: typecmds.c:82

◆ AlterDomainValidateConstraint()

ObjectAddress AlterDomainValidateConstraint ( List names,
const char *  constrName 
)

Definition at line 3035 of file typecmds.c.

References AccessShareLock, BTEqualStrategyNumber, CatalogTupleUpdate(), checkDomainOwner(), CONSTROID, CStringGetDatum, elog, ereport, errcode(), errmsg(), ERROR, GETSTRUCT, heap_copytuple(), heap_freetuple(), HeapTupleIsValid, InvalidOid, InvokeObjectPostAlterHook, makeTypeNameFromNameList(), ObjectAddressSet, ObjectIdGetDatum, ReleaseSysCache(), RowExclusiveLock, ScanKeyInit(), SearchSysCache1(), SysCacheGetAttr(), systable_beginscan(), systable_endscan(), systable_getnext(), HeapTupleData::t_self, table_close(), table_open(), TextDatumGetCString, TypeNameToString(), typenameTypeId(), TYPEOID, val, and validateDomainConstraint().

Referenced by ProcessUtilitySlow().

3036 {
3037  TypeName *typename;
3038  Oid domainoid;
3039  Relation typrel;
3040  Relation conrel;
3041  HeapTuple tup;
3042  Form_pg_constraint con;
3043  Form_pg_constraint copy_con;
3044  char *conbin;
3045  SysScanDesc scan;
3046  Datum val;
3047  bool isnull;
3048  HeapTuple tuple;
3049  HeapTuple copyTuple;
3050  ScanKeyData skey[3];
3051  ObjectAddress address;
3052 
3053  /* Make a TypeName so we can use standard type lookup machinery */
3054  typename = makeTypeNameFromNameList(names);
3055  domainoid = typenameTypeId(NULL, typename);
3056 
3057  /* Look up the domain in the type table */
3058  typrel = table_open(TypeRelationId, AccessShareLock);
3059 
3060  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(domainoid));
3061  if (!HeapTupleIsValid(tup))
3062  elog(ERROR, "cache lookup failed for type %u", domainoid);
3063 
3064  /* Check it's a domain and check user has permission for ALTER DOMAIN */
3065  checkDomainOwner(tup);
3066 
3067  /*
3068  * Find and check the target constraint
3069  */
3070  conrel = table_open(ConstraintRelationId, RowExclusiveLock);
3071 
3072  ScanKeyInit(&skey[0],
3073  Anum_pg_constraint_conrelid,
3074  BTEqualStrategyNumber, F_OIDEQ,
3076  ScanKeyInit(&skey[1],
3077  Anum_pg_constraint_contypid,
3078  BTEqualStrategyNumber, F_OIDEQ,
3079  ObjectIdGetDatum(domainoid));
3080  ScanKeyInit(&skey[2],
3081  Anum_pg_constraint_conname,
3082  BTEqualStrategyNumber, F_NAMEEQ,
3083  CStringGetDatum(constrName));
3084 
3085  scan = systable_beginscan(conrel, ConstraintRelidTypidNameIndexId, true,
3086  NULL, 3, skey);
3087 
3088  /* There can be at most one matching row */
3089  if (!HeapTupleIsValid(tuple = systable_getnext(scan)))
3090  ereport(ERROR,
3091  (errcode(ERRCODE_UNDEFINED_OBJECT),
3092  errmsg("constraint \"%s\" of domain \"%s\" does not exist",
3093  constrName, TypeNameToString(typename))));
3094 
3095  con = (Form_pg_constraint) GETSTRUCT(tuple);
3096  if (con->contype != CONSTRAINT_CHECK)
3097  ereport(ERROR,
3098  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3099  errmsg("constraint \"%s\" of domain \"%s\" is not a check constraint",
3100  constrName, TypeNameToString(typename))));
3101 
3102  val = SysCacheGetAttr(CONSTROID, tuple,
3103  Anum_pg_constraint_conbin,
3104  &isnull);
3105  if (isnull)
3106  elog(ERROR, "null conbin for constraint %u",
3107  con->oid);
3108  conbin = TextDatumGetCString(val);
3109 
3110  validateDomainConstraint(domainoid, conbin);
3111 
3112  /*
3113  * Now update the catalog, while we have the door open.
3114  */
3115  copyTuple = heap_copytuple(tuple);
3116  copy_con = (Form_pg_constraint) GETSTRUCT(copyTuple);
3117  copy_con->convalidated = true;
3118  CatalogTupleUpdate(conrel, &copyTuple->t_self, copyTuple);
3119 
3120  InvokeObjectPostAlterHook(ConstraintRelationId, con->oid, 0);
3121 
3122  ObjectAddressSet(address, TypeRelationId, domainoid);
3123 
3124  heap_freetuple(copyTuple);
3125 
3126  systable_endscan(scan);
3127 
3128  table_close(typrel, AccessShareLock);
3129  table_close(conrel, RowExclusiveLock);
3130 
3131  ReleaseSysCache(tup);
3132 
3133  return address;
3134 }
HeapTuple heap_copytuple(HeapTuple tuple)
Definition: heaptuple.c:680
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
void systable_endscan(SysScanDesc sysscan)
Definition: genam.c:595
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
char * TypeNameToString(const TypeName *typeName)
Definition: parse_type.c:480
#define AccessShareLock
Definition: lockdefs.h:36
int errcode(int sqlerrcode)
Definition: elog.c:698
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
unsigned int Oid
Definition: postgres_ext.h:31
SysScanDesc systable_beginscan(Relation heapRelation, Oid indexId, bool indexOK, Snapshot snapshot, int nkeys, ScanKey key)
Definition: genam.c:383
HeapTuple systable_getnext(SysScanDesc sysscan)
Definition: genam.c:502
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
ItemPointerData t_self
Definition: htup.h:65
#define RowExclusiveLock
Definition: lockdefs.h:38
#define CStringGetDatum(X)
Definition: postgres.h:622
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1127
#define TextDatumGetCString(d)
Definition: builtins.h:87
uintptr_t Datum
Definition: postgres.h:411
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
Datum SysCacheGetAttr(int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull)
Definition: syscache.c:1388
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
FormData_pg_constraint * Form_pg_constraint
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3426
static void validateDomainConstraint(Oid domainoid, char *ccbin)
Definition: typecmds.c:3137
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
long val
Definition: informix.c:664
#define BTEqualStrategyNumber
Definition: stratnum.h:31
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterEnum()

ObjectAddress AlterEnum ( AlterEnumStmt stmt)

Definition at line 1261 of file typecmds.c.

References AddEnumLabel(), checkEnumOwner(), elog, ERROR, HeapTupleIsValid, InvokeObjectPostAlterHook, makeTypeNameFromNameList(), AlterEnumStmt::newVal, AlterEnumStmt::newValIsAfter, AlterEnumStmt::newValNeighbor, ObjectAddressSet, ObjectIdGetDatum, AlterEnumStmt::oldVal, ReleaseSysCache(), RenameEnumLabel(), SearchSysCache1(), AlterEnumStmt::skipIfNewValExists, AlterEnumStmt::typeName, typenameTypeId(), and TYPEOID.

Referenced by ProcessUtilitySlow().

1262 {
1263  Oid enum_type_oid;
1264  TypeName *typename;
1265  HeapTuple tup;
1266  ObjectAddress address;
1267 
1268  /* Make a TypeName so we can use standard type lookup machinery */
1269  typename = makeTypeNameFromNameList(stmt->typeName);
1270  enum_type_oid = typenameTypeId(NULL, typename);
1271 
1272  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(enum_type_oid));
1273  if (!HeapTupleIsValid(tup))
1274  elog(ERROR, "cache lookup failed for type %u", enum_type_oid);
1275 
1276  /* Check it's an enum and check user has permission to ALTER the enum */
1277  checkEnumOwner(tup);
1278 
1279  ReleaseSysCache(tup);
1280 
1281  if (stmt->oldVal)
1282  {
1283  /* Rename an existing label */
1284  RenameEnumLabel(enum_type_oid, stmt->oldVal, stmt->newVal);
1285  }
1286  else
1287  {
1288  /* Add a new label */
1289  AddEnumLabel(enum_type_oid, stmt->newVal,
1290  stmt->newValNeighbor, stmt->newValIsAfter,
1291  stmt->skipIfNewValExists);
1292  }
1293 
1294  InvokeObjectPostAlterHook(TypeRelationId, enum_type_oid, 0);
1295 
1296  ObjectAddressSet(address, TypeRelationId, enum_type_oid);
1297 
1298  return address;
1299 }
unsigned int Oid
Definition: postgres_ext.h:31
char * newValNeighbor
Definition: parsenodes.h:3247
static void checkEnumOwner(HeapTuple tup)
Definition: typecmds.c:1309
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
List * typeName
Definition: parsenodes.h:3244
void AddEnumLabel(Oid enumTypeOid, const char *newVal, const char *neighbor, bool newValIsAfter, bool skipIfExists)
Definition: pg_enum.c:208
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void RenameEnumLabel(Oid enumTypeOid, const char *oldVal, const char *newVal)
Definition: pg_enum.c:508
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1127
bool skipIfNewValExists
Definition: parsenodes.h:3249
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
bool newValIsAfter
Definition: parsenodes.h:3248
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterType()

ObjectAddress AlterType ( AlterTypeStmt stmt)

Definition at line 4099 of file typecmds.c.

References aclcheck_error_type(), ACLCHECK_NOT_OWNER, AlterTypeRecurse(), AlterTypeRecurseParams::analyzeOid, DefElem::arg, defGetQualifiedName(), defGetString(), DefElem::defname, ereport, errcode(), errmsg(), ERROR, findTypeAnalyzeFunction(), findTypeReceiveFunction(), findTypeSendFunction(), findTypeSubscriptingFunction(), findTypeTypmodinFunction(), findTypeTypmodoutFunction(), format_type_be(), GETSTRUCT, GetUserId(), InvalidOid, lfirst, makeTypeNameFromNameList(), ObjectAddressSet, AlterTypeStmt::options, pg_strcasecmp(), pg_type_ownercheck(), AlterTypeRecurseParams::receiveOid, ReleaseSysCache(), RowExclusiveLock, AlterTypeRecurseParams::sendOid, AlterTypeRecurseParams::storage, AlterTypeRecurseParams::subscriptOid, superuser(), table_close(), table_open(), AlterTypeStmt::typeName, typenameType(), typeTypeId(), AlterTypeRecurseParams::typmodinOid, AlterTypeRecurseParams::typmodoutOid, AlterTypeRecurseParams::updateAnalyze, AlterTypeRecurseParams::updateReceive, AlterTypeRecurseParams::updateSend, AlterTypeRecurseParams::updateStorage, AlterTypeRecurseParams::updateSubscript, AlterTypeRecurseParams::updateTypmodin, and AlterTypeRecurseParams::updateTypmodout.

Referenced by ProcessUtilitySlow().

4100 {
4101  ObjectAddress address;
4102  Relation catalog;
4103  TypeName *typename;
4104  HeapTuple tup;
4105  Oid typeOid;
4106  Form_pg_type typForm;
4107  bool requireSuper = false;
4108  AlterTypeRecurseParams atparams;
4109  ListCell *pl;
4110 
4111  catalog = table_open(TypeRelationId, RowExclusiveLock);
4112 
4113  /* Make a TypeName so we can use standard type lookup machinery */
4114  typename = makeTypeNameFromNameList(stmt->typeName);
4115  tup = typenameType(NULL, typename, NULL);
4116 
4117  typeOid = typeTypeId(tup);
4118  typForm = (Form_pg_type) GETSTRUCT(tup);
4119 
4120  /* Process options */
4121  memset(&atparams, 0, sizeof(atparams));
4122  foreach(pl, stmt->options)
4123  {
4124  DefElem *defel = (DefElem *) lfirst(pl);
4125 
4126  if (strcmp(defel->defname, "storage") == 0)
4127  {
4128  char *a = defGetString(defel);
4129 
4130  if (pg_strcasecmp(a, "plain") == 0)
4131  atparams.storage = TYPSTORAGE_PLAIN;
4132  else if (pg_strcasecmp(a, "external") == 0)
4133  atparams.storage = TYPSTORAGE_EXTERNAL;
4134  else if (pg_strcasecmp(a, "extended") == 0)
4135  atparams.storage = TYPSTORAGE_EXTENDED;
4136  else if (pg_strcasecmp(a, "main") == 0)
4137  atparams.storage = TYPSTORAGE_MAIN;
4138  else
4139  ereport(ERROR,
4140  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
4141  errmsg("storage \"%s\" not recognized", a)));
4142 
4143  /*
4144  * Validate the storage request. If the type isn't varlena, it
4145  * certainly doesn't support non-PLAIN storage.
4146  */
4147  if (atparams.storage != TYPSTORAGE_PLAIN && typForm->typlen != -1)
4148  ereport(ERROR,
4149  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
4150  errmsg("fixed-size types must have storage PLAIN")));
4151 
4152  /*
4153  * Switching from PLAIN to non-PLAIN is allowed, but it requires
4154  * superuser, since we can't validate that the type's C functions
4155  * will support it. Switching from non-PLAIN to PLAIN is
4156  * disallowed outright, because it's not practical to ensure that
4157  * no tables have toasted values of the type. Switching among
4158  * different non-PLAIN settings is OK, since it just constitutes a
4159  * change in the strategy requested for columns created in the
4160  * future.
4161  */
4162  if (atparams.storage != TYPSTORAGE_PLAIN &&
4163  typForm->typstorage == TYPSTORAGE_PLAIN)
4164  requireSuper = true;
4165  else if (atparams.storage == TYPSTORAGE_PLAIN &&
4166  typForm->typstorage != TYPSTORAGE_PLAIN)
4167  ereport(ERROR,
4168  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
4169  errmsg("cannot change type's storage to PLAIN")));
4170 
4171  atparams.updateStorage = true;
4172  }
4173  else if (strcmp(defel->defname, "receive") == 0)
4174  {
4175  if (defel->arg != NULL)
4176  atparams.receiveOid =
4178  typeOid);
4179  else
4180  atparams.receiveOid = InvalidOid; /* NONE, remove function */
4181  atparams.updateReceive = true;
4182  /* Replacing an I/O function requires superuser. */
4183  requireSuper = true;
4184  }
4185  else if (strcmp(defel->defname, "send") == 0)
4186  {
4187  if (defel->arg != NULL)
4188  atparams.sendOid =
4190  typeOid);
4191  else
4192  atparams.sendOid = InvalidOid; /* NONE, remove function */
4193  atparams.updateSend = true;
4194  /* Replacing an I/O function requires superuser. */
4195  requireSuper = true;
4196  }
4197  else if (strcmp(defel->defname, "typmod_in") == 0)
4198  {
4199  if (defel->arg != NULL)
4200  atparams.typmodinOid =
4202  else
4203  atparams.typmodinOid = InvalidOid; /* NONE, remove function */
4204  atparams.updateTypmodin = true;
4205  /* Replacing an I/O function requires superuser. */
4206  requireSuper = true;
4207  }
4208  else if (strcmp(defel->defname, "typmod_out") == 0)
4209  {
4210  if (defel->arg != NULL)
4211  atparams.typmodoutOid =
4213  else
4214  atparams.typmodoutOid = InvalidOid; /* NONE, remove function */
4215  atparams.updateTypmodout = true;
4216  /* Replacing an I/O function requires superuser. */
4217  requireSuper = true;
4218  }
4219  else if (strcmp(defel->defname, "analyze") == 0)
4220  {
4221  if (defel->arg != NULL)
4222  atparams.analyzeOid =
4224  typeOid);
4225  else
4226  atparams.analyzeOid = InvalidOid; /* NONE, remove function */
4227  atparams.updateAnalyze = true;
4228  /* Replacing an analyze function requires superuser. */
4229  requireSuper = true;
4230  }
4231  else if (strcmp(defel->defname, "subscript") == 0)
4232  {
4233  if (defel->arg != NULL)
4234  atparams.subscriptOid =
4236  typeOid);
4237  else
4238  atparams.subscriptOid = InvalidOid; /* NONE, remove function */
4239  atparams.updateSubscript = true;
4240  /* Replacing a subscript function requires superuser. */
4241  requireSuper = true;
4242  }
4243 
4244  /*
4245  * The rest of the options that CREATE accepts cannot be changed.
4246  * Check for them so that we can give a meaningful error message.
4247  */
4248  else if (strcmp(defel->defname, "input") == 0 ||
4249  strcmp(defel->defname, "output") == 0 ||
4250  strcmp(defel->defname, "internallength") == 0 ||
4251  strcmp(defel->defname, "passedbyvalue") == 0 ||
4252  strcmp(defel->defname, "alignment") == 0 ||
4253  strcmp(defel->defname, "like") == 0 ||
4254  strcmp(defel->defname, "category") == 0 ||
4255  strcmp(defel->defname, "preferred") == 0 ||
4256  strcmp(defel->defname, "default") == 0 ||
4257  strcmp(defel->defname, "element") == 0 ||
4258  strcmp(defel->defname, "delimiter") == 0 ||
4259  strcmp(defel->defname, "collatable") == 0)
4260  ereport(ERROR,
4261  (errcode(ERRCODE_SYNTAX_ERROR),
4262  errmsg("type attribute \"%s\" cannot be changed",
4263  defel->defname)));
4264  else
4265  ereport(ERROR,
4266  (errcode(ERRCODE_SYNTAX_ERROR),
4267  errmsg("type attribute \"%s\" not recognized",
4268  defel->defname)));
4269  }
4270 
4271  /*
4272  * Permissions check. Require superuser if we decided the command
4273  * requires that, else must own the type.
4274  */
4275  if (requireSuper)
4276  {
4277  if (!superuser())
4278  ereport(ERROR,
4279  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
4280  errmsg("must be superuser to alter a type")));
4281  }
4282  else
4283  {
4284  if (!pg_type_ownercheck(typeOid, GetUserId()))
4286  }
4287 
4288  /*
4289  * We disallow all forms of ALTER TYPE SET on types that aren't plain base
4290  * types. It would for example be highly unsafe, not to mention
4291  * pointless, to change the send/receive functions for a composite type.
4292  * Moreover, pg_dump has no support for changing these properties on
4293  * non-base types. We might weaken this someday, but not now.
4294  *
4295  * Note: if you weaken this enough to allow composite types, be sure to
4296  * adjust the GenerateTypeDependencies call in AlterTypeRecurse.
4297  */
4298  if (typForm->typtype != TYPTYPE_BASE)
4299  ereport(ERROR,
4300  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4301  errmsg("%s is not a base type",
4302  format_type_be(typeOid))));
4303 
4304  /*
4305  * For the same reasons, don't allow direct alteration of array types.
4306  */
4307  if (IsTrueArrayType(typForm))
4308  ereport(ERROR,
4309  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4310  errmsg("%s is not a base type",
4311  format_type_be(typeOid))));
4312 
4313  /* OK, recursively update this type and any arrays/domains over it */
4314  AlterTypeRecurse(typeOid, false, tup, catalog, &atparams);
4315 
4316  /* Clean up */
4317  ReleaseSysCache(tup);
4318 
4319  table_close(catalog, RowExclusiveLock);
4320 
4321  ObjectAddressSet(address, TypeRelationId, typeOid);
4322 
4323  return address;
4324 }
static Oid findTypeSubscriptingFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2227
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Type typenameType(ParseState *pstate, const TypeName *typeName, int32 *typmod_p)
Definition: parse_type.c:264
static Oid findTypeReceiveFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2043
Oid GetUserId(void)
Definition: miscinit.c:495
static Oid findTypeTypmodinFunction(List *procname)
Definition: typecmds.c:2132
int errcode(int sqlerrcode)
Definition: elog.c:698
bool superuser(void)
Definition: superuser.c:46
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
List * typeName
Definition: parsenodes.h:3125
int pg_strcasecmp(const char *s1, const char *s2)
Definition: pgstrcasecmp.c:36
unsigned int Oid
Definition: postgres_ext.h:31
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4844
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
#define ERROR
Definition: elog.h:46
char * defGetString(DefElem *def)
Definition: define.c:49
static Oid findTypeAnalyzeFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2200
#define RowExclusiveLock
Definition: lockdefs.h:38
static Oid findTypeTypmodoutFunction(List *procname)
Definition: typecmds.c:2166
Node * arg
Definition: parsenodes.h:759
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
List * options
Definition: parsenodes.h:3126
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
#define lfirst(lc)
Definition: pg_list.h:169
List * defGetQualifiedName(DefElem *def)
Definition: define.c:218
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
int errmsg(const char *fmt,...)
Definition: elog.c:909
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
char * defname
Definition: parsenodes.h:758
static void AlterTypeRecurse(Oid typeOid, bool isImplicitArray, HeapTuple tup, Relation catalog, AlterTypeRecurseParams *atparams)
Definition: typecmds.c:4350
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
Oid typeTypeId(Type tp)
Definition: parse_type.c:592
static Oid findTypeSendFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2097

◆ AlterTypeNamespace()

ObjectAddress AlterTypeNamespace ( List names,
const char *  newschema,
ObjectType  objecttype,
Oid oldschema 
)

Definition at line 3881 of file typecmds.c.

References AlterTypeNamespace_oid(), ereport, errcode(), errmsg(), ERROR, format_type_be(), free_object_addresses(), get_typtype(), LookupCreationNamespace(), makeTypeNameFromNameList(), new_object_addresses(), OBJECT_DOMAIN, ObjectAddressSet, and typenameTypeId().

Referenced by ExecAlterObjectSchemaStmt().

3883 {
3884  TypeName *typename;
3885  Oid typeOid;
3886  Oid nspOid;
3887  Oid oldNspOid;
3888  ObjectAddresses *objsMoved;
3889  ObjectAddress myself;
3890 
3891  /* Make a TypeName so we can use standard type lookup machinery */
3892  typename = makeTypeNameFromNameList(names);
3893  typeOid = typenameTypeId(NULL, typename);
3894 
3895  /* Don't allow ALTER DOMAIN on a type */
3896  if (objecttype == OBJECT_DOMAIN && get_typtype(typeOid) != TYPTYPE_DOMAIN)
3897  ereport(ERROR,
3898  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3899  errmsg("%s is not a domain",
3900  format_type_be(typeOid))));
3901 
3902  /* get schema OID and check its permissions */
3903  nspOid = LookupCreationNamespace(newschema);
3904 
3905  objsMoved = new_object_addresses();
3906  oldNspOid = AlterTypeNamespace_oid(typeOid, nspOid, objsMoved);
3907  free_object_addresses(objsMoved);
3908 
3909  if (oldschema)
3910  *oldschema = oldNspOid;
3911 
3912  ObjectAddressSet(myself, TypeRelationId, typeOid);
3913 
3914  return myself;
3915 }
Oid LookupCreationNamespace(const char *nspname)
Definition: namespace.c:2981
int errcode(int sqlerrcode)
Definition: elog.c:698
char get_typtype(Oid typid)
Definition: lsyscache.c:2576
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
ObjectAddresses * new_object_addresses(void)
Definition: dependency.c:2430
void free_object_addresses(ObjectAddresses *addrs)
Definition: dependency.c:2725
unsigned int Oid
Definition: postgres_ext.h:31
#define ERROR
Definition: elog.h:46
Oid AlterTypeNamespace_oid(Oid typeOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: typecmds.c:3918
#define ereport(elevel,...)
Definition: elog.h:157
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
int errmsg(const char *fmt,...)
Definition: elog.c:909
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ AlterTypeNamespace_oid()

Oid AlterTypeNamespace_oid ( Oid  typeOid,
Oid  nspOid,
ObjectAddresses objsMoved 
)

Definition at line 3918 of file typecmds.c.

References aclcheck_error_type(), ACLCHECK_NOT_OWNER, AlterTypeNamespaceInternal(), ereport, errcode(), errhint(), errmsg(), ERROR, format_type_be(), get_array_type(), get_element_type(), GetUserId(), OidIsValid, and pg_type_ownercheck().

Referenced by AlterObjectNamespace_oid(), and AlterTypeNamespace().

3919 {
3920  Oid elemOid;
3921 
3922  /* check permissions on type */
3923  if (!pg_type_ownercheck(typeOid, GetUserId()))
3925 
3926  /* don't allow direct alteration of array types */
3927  elemOid = get_element_type(typeOid);
3928  if (OidIsValid(elemOid) && get_array_type(elemOid) == typeOid)
3929  ereport(ERROR,
3930  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3931  errmsg("cannot alter array type %s",
3932  format_type_be(typeOid)),
3933  errhint("You can alter type %s, which will alter the array type as well.",
3934  format_type_be(elemOid))));
3935 
3936  /* and do the work */
3937  return AlterTypeNamespaceInternal(typeOid, nspOid, false, true, objsMoved);
3938 }
int errhint(const char *fmt,...)
Definition: elog.c:1156
Oid GetUserId(void)
Definition: miscinit.c:495
Oid get_element_type(Oid typid)
Definition: lsyscache.c:2706
Oid get_array_type(Oid typid)
Definition: lsyscache.c:2734
int errcode(int sqlerrcode)
Definition: elog.c:698
Oid AlterTypeNamespaceInternal(Oid typeOid, Oid nspOid, bool isImplicitArray, bool errorOnTableType, ObjectAddresses *objsMoved)
Definition: typecmds.c:3956
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
unsigned int Oid
Definition: postgres_ext.h:31
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4844
#define OidIsValid(objectId)
Definition: c.h:710
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
#define ERROR
Definition: elog.h:46
#define ereport(elevel,...)
Definition: elog.h:157
int errmsg(const char *fmt,...)
Definition: elog.c:909

◆ AlterTypeNamespaceInternal()

Oid AlterTypeNamespaceInternal ( Oid  typeOid,
Oid  nspOid,
bool  isImplicitArray,
bool  errorOnTableType,
ObjectAddresses objsMoved 
)

Definition at line 3956 of file typecmds.c.

References add_exact_object_address(), AlterConstraintNamespaces(), AlterRelationNamespaceInternal(), AlterTypeNamespaceInternal(), CatalogTupleUpdate(), changeDependencyFor(), CheckSetNamespace(), ObjectAddress::classId, elog, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errhint(), errmsg(), ERROR, format_type_be(), get_namespace_name(), get_rel_relkind(), GETSTRUCT, heap_freetuple(), HeapTupleIsValid, InvalidOid, InvokeObjectPostAlterHook, NameGetDatum, NameStr, object_address_present(), ObjectAddress::objectId, ObjectIdGetDatum, ObjectAddress::objectSubId, OidIsValid, RowExclusiveLock, SearchSysCacheCopy1, SearchSysCacheExists2, HeapTupleData::t_self, table_close(), table_open(), TYPENAMENSP, and TYPEOID.

Referenced by AlterTableNamespaceInternal(), AlterTypeNamespace_oid(), and AlterTypeNamespaceInternal().

3960 {
3961  Relation rel;
3962  HeapTuple tup;
3963  Form_pg_type typform;
3964  Oid oldNspOid;
3965  Oid arrayOid;
3966  bool isCompositeType;
3967  ObjectAddress thisobj;
3968 
3969  /*
3970  * Make sure we haven't moved this object previously.
3971  */
3972  thisobj.classId = TypeRelationId;
3973  thisobj.objectId = typeOid;
3974  thisobj.objectSubId = 0;
3975 
3976  if (object_address_present(&thisobj, objsMoved))
3977  return InvalidOid;
3978 
3979  rel = table_open(TypeRelationId, RowExclusiveLock);
3980 
3981  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3982  if (!HeapTupleIsValid(tup))
3983  elog(ERROR, "cache lookup failed for type %u", typeOid);
3984  typform = (Form_pg_type) GETSTRUCT(tup);
3985 
3986  oldNspOid = typform->typnamespace;
3987  arrayOid = typform->typarray;
3988 
3989  /* If the type is already there, we scan skip these next few checks. */
3990  if (oldNspOid != nspOid)
3991  {
3992  /* common checks on switching namespaces */
3993  CheckSetNamespace(oldNspOid, nspOid);
3994 
3995  /* check for duplicate name (more friendly than unique-index failure) */
3997  NameGetDatum(&typform->typname),
3998  ObjectIdGetDatum(nspOid)))
3999  ereport(ERROR,
4001  errmsg("type \"%s\" already exists in schema \"%s\"",
4002  NameStr(typform->typname),
4003  get_namespace_name(nspOid))));
4004  }
4005 
4006  /* Detect whether type is a composite type (but not a table rowtype) */
4007  isCompositeType =
4008  (typform->typtype == TYPTYPE_COMPOSITE &&
4009  get_rel_relkind(typform->typrelid) == RELKIND_COMPOSITE_TYPE);
4010 
4011  /* Enforce not-table-type if requested */
4012  if (typform->typtype == TYPTYPE_COMPOSITE && !isCompositeType &&
4013  errorOnTableType)
4014  ereport(ERROR,
4015  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4016  errmsg("%s is a table's row type",
4017  format_type_be(typeOid)),
4018  errhint("Use ALTER TABLE instead.")));
4019 
4020  if (oldNspOid != nspOid)
4021  {
4022  /* OK, modify the pg_type row */
4023 
4024  /* tup is a copy, so we can scribble directly on it */
4025  typform->typnamespace = nspOid;
4026 
4027  CatalogTupleUpdate(rel, &tup->t_self, tup);
4028  }
4029 
4030  /*
4031  * Composite types have pg_class entries.
4032  *
4033  * We need to modify the pg_class tuple as well to reflect the change of
4034  * schema.
4035  */
4036  if (isCompositeType)
4037  {
4038  Relation classRel;
4039 
4040  classRel = table_open(RelationRelationId, RowExclusiveLock);
4041 
4042  AlterRelationNamespaceInternal(classRel, typform->typrelid,
4043  oldNspOid, nspOid,
4044  false, objsMoved);
4045 
4046  table_close(classRel, RowExclusiveLock);
4047 
4048  /*
4049  * Check for constraints associated with the composite type (we don't
4050  * currently support this, but probably will someday).
4051  */
4052  AlterConstraintNamespaces(typform->typrelid, oldNspOid,
4053  nspOid, false, objsMoved);
4054  }
4055  else
4056  {
4057  /* If it's a domain, it might have constraints */
4058  if (typform->typtype == TYPTYPE_DOMAIN)
4059  AlterConstraintNamespaces(typeOid, oldNspOid, nspOid, true,
4060  objsMoved);
4061  }
4062 
4063  /*
4064  * Update dependency on schema, if any --- a table rowtype has not got
4065  * one, and neither does an implicit array.
4066  */
4067  if (oldNspOid != nspOid &&
4068  (isCompositeType || typform->typtype != TYPTYPE_COMPOSITE) &&
4069  !isImplicitArray)
4070  if (changeDependencyFor(TypeRelationId, typeOid,
4071  NamespaceRelationId, oldNspOid, nspOid) != 1)
4072  elog(ERROR, "failed to change schema dependency for type %s",
4073  format_type_be(typeOid));
4074 
4075  InvokeObjectPostAlterHook(TypeRelationId, typeOid, 0);
4076 
4077  heap_freetuple(tup);
4078 
4080 
4081  add_exact_object_address(&thisobj, objsMoved);
4082 
4083  /* Recursively alter the associated array type, if any */
4084  if (OidIsValid(arrayOid))
4085  AlterTypeNamespaceInternal(arrayOid, nspOid, true, true, objsMoved);
4086 
4087  return oldNspOid;
4088 }
#define NameGetDatum(X)
Definition: postgres.h:639
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
int errhint(const char *fmt,...)
Definition: elog.c:1156
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
char get_rel_relkind(Oid relid)
Definition: lsyscache.c:1974
bool object_address_present(const ObjectAddress *object, const ObjectAddresses *addrs)
Definition: dependency.c:2545
int errcode(int sqlerrcode)
Definition: elog.c:698
Oid AlterTypeNamespaceInternal(Oid typeOid, Oid nspOid, bool isImplicitArray, bool errorOnTableType, ObjectAddresses *objsMoved)
Definition: typecmds.c:3956
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
void add_exact_object_address(const ObjectAddress *object, ObjectAddresses *addrs)
Definition: dependency.c:2485
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
void AlterConstraintNamespaces(Oid ownerId, Oid oldNspId, Oid newNspId, bool isType, ObjectAddresses *objsMoved)
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
ItemPointerData t_self
Definition: htup.h:65
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
#define RowExclusiveLock
Definition: lockdefs.h:38
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void CheckSetNamespace(Oid oldNspOid, Oid nspOid)
Definition: namespace.c:3012
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define SearchSysCacheExists2(cacheId, key1, key2)
Definition: syscache.h:186
void AlterRelationNamespaceInternal(Relation classRel, Oid relOid, Oid oldNspOid, Oid newNspOid, bool hasDependEntry, ObjectAddresses *objsMoved)
Definition: tablecmds.c:16026
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
int errmsg(const char *fmt,...)
Definition: elog.c:909
long changeDependencyFor(Oid classId, Oid objectId, Oid refClassId, Oid oldRefObjectId, Oid newRefObjectId)
Definition: pg_depend.c:399
#define elog(elevel,...)
Definition: elog.h:232
#define NameStr(name)
Definition: c.h:681
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32

◆ AlterTypeOwner()

ObjectAddress AlterTypeOwner ( List names,
Oid  newOwnerId,
ObjectType  objecttype 
)

Definition at line 3678 of file typecmds.c.

References ACL_CREATE, aclcheck_error(), aclcheck_error_type(), ACLCHECK_NOT_OWNER, ACLCHECK_OK, AlterTypeOwner_oid(), check_is_member_of_role(), ereport, errcode(), errhint(), errmsg(), ERROR, format_type_be(), get_namespace_name(), get_rel_relkind(), GETSTRUCT, GetUserId(), heap_copytuple(), LookupTypeName(), makeTypeNameFromNameList(), OBJECT_DOMAIN, OBJECT_SCHEMA, ObjectAddressSet, pg_namespace_aclcheck(), pg_type_ownercheck(), ReleaseSysCache(), RowExclusiveLock, superuser(), table_close(), table_open(), TypeNameToString(), and typeTypeId().

Referenced by ExecAlterOwnerStmt().

3679 {
3680  TypeName *typename;
3681  Oid typeOid;
3682  Relation rel;
3683  HeapTuple tup;
3684  HeapTuple newtup;
3685  Form_pg_type typTup;
3686  AclResult aclresult;
3687  ObjectAddress address;
3688 
3689  rel = table_open(TypeRelationId, RowExclusiveLock);
3690 
3691  /* Make a TypeName so we can use standard type lookup machinery */
3692  typename = makeTypeNameFromNameList(names);
3693 
3694  /* Use LookupTypeName here so that shell types can be processed */
3695  tup = LookupTypeName(NULL, typename, NULL, false);
3696  if (tup == NULL)
3697  ereport(ERROR,
3698  (errcode(ERRCODE_UNDEFINED_OBJECT),
3699  errmsg("type \"%s\" does not exist",
3700  TypeNameToString(typename))));
3701  typeOid = typeTypeId(tup);
3702 
3703  /* Copy the syscache entry so we can scribble on it below */
3704  newtup = heap_copytuple(tup);
3705  ReleaseSysCache(tup);
3706  tup = newtup;
3707  typTup = (Form_pg_type) GETSTRUCT(tup);
3708 
3709  /* Don't allow ALTER DOMAIN on a type */
3710  if (objecttype == OBJECT_DOMAIN && typTup->typtype != TYPTYPE_DOMAIN)
3711  ereport(ERROR,
3712  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3713  errmsg("%s is not a domain",
3714  format_type_be(typeOid))));
3715 
3716  /*
3717  * If it's a composite type, we need to check that it really is a
3718  * free-standing composite type, and not a table's rowtype. We want people
3719  * to use ALTER TABLE not ALTER TYPE for that case.
3720  */
3721  if (typTup->typtype == TYPTYPE_COMPOSITE &&
3722  get_rel_relkind(typTup->typrelid) != RELKIND_COMPOSITE_TYPE)
3723  ereport(ERROR,
3724  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3725  errmsg("%s is a table's row type",
3726  format_type_be(typeOid)),
3727  errhint("Use ALTER TABLE instead.")));
3728 
3729  /* don't allow direct alteration of array types, either */
3730  if (IsTrueArrayType(typTup))
3731  ereport(ERROR,
3732  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3733  errmsg("cannot alter array type %s",
3734  format_type_be(typeOid)),
3735  errhint("You can alter type %s, which will alter the array type as well.",
3736  format_type_be(typTup->typelem))));
3737 
3738  /*
3739  * If the new owner is the same as the existing owner, consider the
3740  * command to have succeeded. This is for dump restoration purposes.
3741  */
3742  if (typTup->typowner != newOwnerId)
3743  {
3744  /* Superusers can always do it */
3745  if (!superuser())
3746  {
3747  /* Otherwise, must be owner of the existing object */
3748  if (!pg_type_ownercheck(typTup->oid, GetUserId()))
3750 
3751  /* Must be able to become new owner */
3752  check_is_member_of_role(GetUserId(), newOwnerId);
3753 
3754  /* New owner must have CREATE privilege on namespace */
3755  aclresult = pg_namespace_aclcheck(typTup->typnamespace,
3756  newOwnerId,
3757  ACL_CREATE);
3758  if (aclresult != ACLCHECK_OK)
3759  aclcheck_error(aclresult, OBJECT_SCHEMA,
3760  get_namespace_name(typTup->typnamespace));
3761  }
3762 
3763  AlterTypeOwner_oid(typeOid, newOwnerId, true);
3764  }
3765 
3766  ObjectAddressSet(address, TypeRelationId, typeOid);
3767 
3768  /* Clean up */
3770 
3771  return address;
3772 }
Type LookupTypeName(ParseState *pstate, const TypeName *typeName, int32 *typmod_p, bool missing_ok)
Definition: parse_type.c:38
HeapTuple heap_copytuple(HeapTuple tuple)
Definition: heaptuple.c:680
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
int errhint(const char *fmt,...)
Definition: elog.c:1156
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Oid GetUserId(void)
Definition: miscinit.c:495
char * TypeNameToString(const TypeName *typeName)
Definition: parse_type.c:480
char get_rel_relkind(Oid relid)
Definition: lsyscache.c:1974
int errcode(int sqlerrcode)
Definition: elog.c:698
bool superuser(void)
Definition: superuser.c:46
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
unsigned int Oid
Definition: postgres_ext.h:31
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4844
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4756
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
#define ERROR
Definition: elog.h:46
#define ACL_CREATE
Definition: parsenodes.h:92
void AlterTypeOwner_oid(Oid typeOid, Oid newOwnerId, bool hasDependEntry)
Definition: typecmds.c:3786
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
#define RowExclusiveLock
Definition: lockdefs.h:38
void check_is_member_of_role(Oid member, Oid role)
Definition: acl.c:4893
AclResult
Definition: acl.h:177
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
#define ereport(elevel,...)
Definition: elog.h:157
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
int errmsg(const char *fmt,...)
Definition: elog.c:909
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
Oid typeTypeId(Type tp)
Definition: parse_type.c:592

◆ AlterTypeOwner_oid()

void AlterTypeOwner_oid ( Oid  typeOid,
Oid  newOwnerId,
bool  hasDependEntry 
)

Definition at line 3786 of file typecmds.c.

References AccessExclusiveLock, AlterTypeOwnerInternal(), ATExecChangeOwner(), changeDependencyOnOwner(), elog, ERROR, GETSTRUCT, HeapTupleIsValid, InvokeObjectPostAlterHook, ObjectIdGetDatum, ReleaseSysCache(), RowExclusiveLock, SearchSysCache1(), table_close(), table_open(), and TYPEOID.

Referenced by AlterTypeOwner(), and shdepReassignOwned().

3787 {
3788  Relation rel;
3789  HeapTuple tup;
3790  Form_pg_type typTup;
3791 
3792  rel = table_open(TypeRelationId, RowExclusiveLock);
3793 
3794  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typeOid));
3795  if (!HeapTupleIsValid(tup))
3796  elog(ERROR, "cache lookup failed for type %u", typeOid);
3797  typTup = (Form_pg_type) GETSTRUCT(tup);
3798 
3799  /*
3800  * If it's a composite type, invoke ATExecChangeOwner so that we fix up
3801  * the pg_class entry properly. That will call back to
3802  * AlterTypeOwnerInternal to take care of the pg_type entry(s).
3803  */
3804  if (typTup->typtype == TYPTYPE_COMPOSITE)
3805  ATExecChangeOwner(typTup->typrelid, newOwnerId, true, AccessExclusiveLock);
3806  else
3807  AlterTypeOwnerInternal(typeOid, newOwnerId);
3808 
3809  /* Update owner dependency reference */
3810  if (hasDependEntry)
3811  changeDependencyOnOwner(TypeRelationId, typeOid, newOwnerId);
3812 
3813  InvokeObjectPostAlterHook(TypeRelationId, typeOid, 0);
3814 
3815  ReleaseSysCache(tup);
3817 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
void AlterTypeOwnerInternal(Oid typeOid, Oid newOwnerId)
Definition: typecmds.c:3826
void changeDependencyOnOwner(Oid classId, Oid objectId, Oid newOwnerId)
Definition: pg_shdepend.c:311
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define RowExclusiveLock
Definition: lockdefs.h:38
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing, LOCKMODE lockmode)
Definition: tablecmds.c:13228
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1127
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define AccessExclusiveLock
Definition: lockdefs.h:45
#define elog(elevel,...)
Definition: elog.h:232
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39

◆ AlterTypeOwnerInternal()

void AlterTypeOwnerInternal ( Oid  typeOid,
Oid  newOwnerId 
)

Definition at line 3826 of file typecmds.c.

References aclnewowner(), AlterTypeOwnerInternal(), CatalogTupleUpdate(), DatumGetAclP, elog, ERROR, GETSTRUCT, heap_getattr, heap_modify_tuple(), HeapTupleIsValid, ObjectIdGetDatum, OidIsValid, PointerGetDatum, RelationGetDescr, RowExclusiveLock, SearchSysCacheCopy1, HeapTupleData::t_self, table_close(), table_open(), and TYPEOID.

Referenced by AlterTypeOwner_oid(), AlterTypeOwnerInternal(), and ATExecChangeOwner().

3827 {
3828  Relation rel;
3829  HeapTuple tup;
3830  Form_pg_type typTup;
3831  Datum repl_val[Natts_pg_type];
3832  bool repl_null[Natts_pg_type];
3833  bool repl_repl[Natts_pg_type];
3834  Acl *newAcl;
3835  Datum aclDatum;
3836  bool isNull;
3837 
3838  rel = table_open(TypeRelationId, RowExclusiveLock);
3839 
3840  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3841  if (!HeapTupleIsValid(tup))
3842  elog(ERROR, "cache lookup failed for type %u", typeOid);
3843  typTup = (Form_pg_type) GETSTRUCT(tup);
3844 
3845  memset(repl_null, false, sizeof(repl_null));
3846  memset(repl_repl, false, sizeof(repl_repl));
3847 
3848  repl_repl[Anum_pg_type_typowner - 1] = true;
3849  repl_val[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(newOwnerId);
3850 
3851  aclDatum = heap_getattr(tup,
3852  Anum_pg_type_typacl,
3853  RelationGetDescr(rel),
3854  &isNull);
3855  /* Null ACLs do not require changes */
3856  if (!isNull)
3857  {
3858  newAcl = aclnewowner(DatumGetAclP(aclDatum),
3859  typTup->typowner, newOwnerId);
3860  repl_repl[Anum_pg_type_typacl - 1] = true;
3861  repl_val[Anum_pg_type_typacl - 1] = PointerGetDatum(newAcl);
3862  }
3863 
3864  tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null,
3865  repl_repl);
3866 
3867  CatalogTupleUpdate(rel, &tup->t_self, tup);
3868 
3869  /* If it has an array type, update that too */
3870  if (OidIsValid(typTup->typarray))
3871  AlterTypeOwnerInternal(typTup->typarray, newOwnerId);
3872 
3873  /* Clean up */
3875 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
#define RelationGetDescr(relation)
Definition: rel.h:503
#define DatumGetAclP(X)
Definition: acl.h:120
#define PointerGetDatum(X)
Definition: postgres.h:600
void AlterTypeOwnerInternal(Oid typeOid, Oid newOwnerId)
Definition: typecmds.c:3826
#define OidIsValid(objectId)
Definition: c.h:710
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
ItemPointerData t_self
Definition: htup.h:65
#define RowExclusiveLock
Definition: lockdefs.h:38
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:761
uintptr_t Datum
Definition: postgres.h:411
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
#define elog(elevel,...)
Definition: elog.h:232
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
Acl * aclnewowner(const Acl *old_acl, Oid oldOwnerId, Oid newOwnerId)
Definition: acl.c:1037

◆ AssignTypeArrayOid()

Oid AssignTypeArrayOid ( void  )

Definition at line 2402 of file typecmds.c.

References AccessShareLock, binary_upgrade_next_array_pg_type_oid, ereport, errcode(), errmsg(), ERROR, GetNewOidWithIndex(), InvalidOid, IsBinaryUpgrade, OidIsValid, table_close(), and table_open().

Referenced by DefineDomain(), DefineEnum(), DefineRange(), DefineType(), and heap_create_with_catalog().

2403 {
2404  Oid type_array_oid;
2405 
2406  /* Use binary-upgrade override for pg_type.typarray? */
2407  if (IsBinaryUpgrade)
2408  {
2410  ereport(ERROR,
2411  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2412  errmsg("pg_type array OID value not set when in binary upgrade mode")));
2413 
2414  type_array_oid = binary_upgrade_next_array_pg_type_oid;
2416  }
2417  else
2418  {
2419  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2420 
2421  type_array_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2422  Anum_pg_type_oid);
2423  table_close(pg_type, AccessShareLock);
2424  }
2425 
2426  return type_array_oid;
2427 }
Oid GetNewOidWithIndex(Relation relation, Oid indexId, AttrNumber oidcolumn)
Definition: catalog.c:381
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define AccessShareLock
Definition: lockdefs.h:36
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
bool IsBinaryUpgrade
Definition: globals.c:113
#define ERROR
Definition: elog.h:46
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
Oid binary_upgrade_next_array_pg_type_oid
Definition: typecmds.c:109
int errmsg(const char *fmt,...)
Definition: elog.c:909
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39

◆ AssignTypeMultirangeArrayOid()

Oid AssignTypeMultirangeArrayOid ( void  )

Definition at line 2468 of file typecmds.c.

References AccessShareLock, binary_upgrade_next_mrng_array_pg_type_oid, ereport, errcode(), errmsg(), ERROR, GetNewOidWithIndex(), InvalidOid, IsBinaryUpgrade, OidIsValid, table_close(), and table_open().

Referenced by DefineRange().

2469 {
2470  Oid type_multirange_array_oid;
2471 
2472  /* Use binary-upgrade override for pg_type.oid? */
2473  if (IsBinaryUpgrade)
2474  {
2476  ereport(ERROR,
2477  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2478  errmsg("pg_type multirange array OID value not set when in binary upgrade mode")));
2479 
2480  type_multirange_array_oid = binary_upgrade_next_mrng_array_pg_type_oid;
2482  }
2483  else
2484  {
2485  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2486 
2487  type_multirange_array_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2488  Anum_pg_type_oid);
2489  table_close(pg_type, AccessShareLock);
2490  }
2491 
2492  return type_multirange_array_oid;
2493 }
Oid GetNewOidWithIndex(Relation relation, Oid indexId, AttrNumber oidcolumn)
Definition: catalog.c:381
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define AccessShareLock
Definition: lockdefs.h:36
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
bool IsBinaryUpgrade
Definition: globals.c:113
#define ERROR
Definition: elog.h:46
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
int errmsg(const char *fmt,...)
Definition: elog.c:909
Oid binary_upgrade_next_mrng_array_pg_type_oid
Definition: typecmds.c:111
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39

◆ AssignTypeMultirangeOid()

Oid AssignTypeMultirangeOid ( void  )

Definition at line 2435 of file typecmds.c.

References AccessShareLock, binary_upgrade_next_mrng_pg_type_oid, ereport, errcode(), errmsg(), ERROR, GetNewOidWithIndex(), InvalidOid, IsBinaryUpgrade, OidIsValid, table_close(), and table_open().

Referenced by DefineRange().

2436 {
2437  Oid type_multirange_oid;
2438 
2439  /* Use binary-upgrade override for pg_type.oid? */
2440  if (IsBinaryUpgrade)
2441  {
2443  ereport(ERROR,
2444  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2445  errmsg("pg_type multirange OID value not set when in binary upgrade mode")));
2446 
2447  type_multirange_oid = binary_upgrade_next_mrng_pg_type_oid;
2449  }
2450  else
2451  {
2452  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2453 
2454  type_multirange_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2455  Anum_pg_type_oid);
2456  table_close(pg_type, AccessShareLock);
2457  }
2458 
2459  return type_multirange_oid;
2460 }
Oid GetNewOidWithIndex(Relation relation, Oid indexId, AttrNumber oidcolumn)
Definition: catalog.c:381
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define AccessShareLock
Definition: lockdefs.h:36
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
bool IsBinaryUpgrade
Definition: globals.c:113
#define ERROR
Definition: elog.h:46
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
Oid binary_upgrade_next_mrng_pg_type_oid
Definition: typecmds.c:110
int errmsg(const char *fmt,...)
Definition: elog.c:909
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39

◆ checkDomainOwner()

void checkDomainOwner ( HeapTuple  tup)

Definition at line 3426 of file typecmds.c.

References aclcheck_error_type(), ACLCHECK_NOT_OWNER, ereport, errcode(), errmsg(), ERROR, format_type_be(), GETSTRUCT, GetUserId(), and pg_type_ownercheck().

Referenced by AlterDomainAddConstraint(), AlterDomainDefault(), AlterDomainDropConstraint(), AlterDomainNotNull(), AlterDomainValidateConstraint(), and RenameConstraint().

3427 {
3428  Form_pg_type typTup = (Form_pg_type) GETSTRUCT(tup);
3429 
3430  /* Check that this is actually a domain */
3431  if (typTup->typtype != TYPTYPE_DOMAIN)
3432  ereport(ERROR,
3433  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3434  errmsg("%s is not a domain",
3435  format_type_be(typTup->oid))));
3436 
3437  /* Permission check: must own type */
3438  if (!pg_type_ownercheck(typTup->oid, GetUserId()))
3440 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Oid GetUserId(void)
Definition: miscinit.c:495
int errcode(int sqlerrcode)
Definition: elog.c:698
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4844
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
#define ERROR
Definition: elog.h:46
#define ereport(elevel,...)
Definition: elog.h:157
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
int errmsg(const char *fmt,...)
Definition: elog.c:909

◆ DefineCompositeType()

ObjectAddress DefineCompositeType ( RangeVar typevar,
List coldeflist 
)

Definition at line 2510 of file typecmds.c.

References CreateStmt::constraints, CStringGetDatum, DefineRelation(), ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, GetSysCacheOid2, CreateStmt::if_not_exists, CreateStmt::inhRelations, InvalidOid, makeNode, moveArrayTypeName(), NIL, NoLock, ObjectIdGetDatum, OidIsValid, CreateStmt::oncommit, ONCOMMIT_NOOP, CreateStmt::options, RangeVarAdjustRelationPersistence(), RangeVarGetAndCheckCreationNamespace(), CreateStmt::relation, RangeVar::relname, CreateStmt::tableElts, CreateStmt::tablespacename, and TYPENAMENSP.

Referenced by ProcessUtilitySlow().

2511 {
2512  CreateStmt *createStmt = makeNode(CreateStmt);
2513  Oid old_type_oid;
2514  Oid typeNamespace;
2515  ObjectAddress address;
2516 
2517  /*
2518  * now set the parameters for keys/inheritance etc. All of these are
2519  * uninteresting for composite types...
2520  */
2521  createStmt->relation = typevar;
2522  createStmt->tableElts = coldeflist;
2523  createStmt->inhRelations = NIL;
2524  createStmt->constraints = NIL;
2525  createStmt->options = NIL;
2526  createStmt->oncommit = ONCOMMIT_NOOP;
2527  createStmt->tablespacename = NULL;
2528  createStmt->if_not_exists = false;
2529 
2530  /*
2531  * Check for collision with an existing type name. If there is one and
2532  * it's an autogenerated array, we can rename it out of the way. This
2533  * check is here mainly to get a better error message about a "type"
2534  * instead of below about a "relation".
2535  */
2536  typeNamespace = RangeVarGetAndCheckCreationNamespace(createStmt->relation,
2537  NoLock, NULL);
2538  RangeVarAdjustRelationPersistence(createStmt->relation, typeNamespace);
2539  old_type_oid =
2540  GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
2541  CStringGetDatum(createStmt->relation->relname),
2542  ObjectIdGetDatum(typeNamespace));
2543  if (OidIsValid(old_type_oid))
2544  {
2545  if (!moveArrayTypeName(old_type_oid, createStmt->relation->relname, typeNamespace))
2546  ereport(ERROR,
2548  errmsg("type \"%s\" already exists", createStmt->relation->relname)));
2549  }
2550 
2551  /*
2552  * Finally create the relation. This also creates the type.
2553  */
2554  DefineRelation(createStmt, RELKIND_COMPOSITE_TYPE, InvalidOid, &address,
2555  NULL);
2556 
2557  return address;
2558 }
RangeVar * relation
Definition: parsenodes.h:2183
#define NIL
Definition: pg_list.h:65
OnCommitAction oncommit
Definition: parsenodes.h:2192
List * inhRelations
Definition: parsenodes.h:2185
int errcode(int sqlerrcode)
Definition: elog.c:698
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
void RangeVarAdjustRelationPersistence(RangeVar *newRelation, Oid nspid)
Definition: namespace.c:642
List * constraints
Definition: parsenodes.h:2190
bool if_not_exists
Definition: parsenodes.h:2195
char * relname
Definition: primnodes.h:68
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
#define NoLock
Definition: lockdefs.h:34
#define CStringGetDatum(X)
Definition: postgres.h:622
List * options
Definition: parsenodes.h:2191
ObjectAddress DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId, ObjectAddress *typaddress, const char *queryString)
Definition: tablecmds.c:627
char * tablespacename
Definition: parsenodes.h:2193
Oid RangeVarGetAndCheckCreationNamespace(RangeVar *relation, LOCKMODE lockmode, Oid *existing_relation_id)
Definition: namespace.c:535
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
List * tableElts
Definition: parsenodes.h:2184
#define makeNode(_type_)
Definition: nodes.h:584
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:195
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32

◆ DefineDomain()

ObjectAddress DefineDomain ( CreateDomainStmt stmt)

Definition at line 693 of file typecmds.c.

References ACL_CREATE, ACL_USAGE, aclcheck_error(), aclcheck_error_type(), ACLCHECK_OK, TypeName::arrayBounds, AssignTypeArrayOid(), CreateDomainStmt::collClause, CollateClause::collname, CommandCounterIncrement(), CONSTR_ATTR_DEFERRABLE, CONSTR_ATTR_DEFERRED, CONSTR_ATTR_IMMEDIATE, CONSTR_ATTR_NOT_DEFERRABLE, CONSTR_CHECK, CONSTR_DEFAULT, CONSTR_EXCLUSION, CONSTR_FOREIGN, CONSTR_NOTNULL, CONSTR_NULL, CONSTR_PRIMARY, CONSTR_UNIQUE, CreateDomainStmt::constraints, Constraint::contype, cookDefault(), CStringGetDatum, deparse_expression(), domainAddConstraint(), CreateDomainStmt::domainname, elog, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, format_type_be(), get_collation_oid(), get_namespace_name(), GETSTRUCT, GetSysCacheOid2, GetUserId(), InvalidOid, Constraint::is_no_inherit, IsA, lfirst, list_length(), make_parsestate(), makeArrayTypeName(), moveArrayTypeName(), NIL, nodeTag, nodeToString(), OBJECT_SCHEMA, ObjectAddress::objectId, ObjectIdGetDatum, OidIsValid, pfree(), pg_namespace_aclcheck(), pg_type_aclcheck(), QualifiedNameGetCreationNamespace(), Constraint::raw_expr, ReleaseSysCache(), SysCacheGetAttr(), TextDatumGetCString, TypeCreate(), CreateDomainStmt::typeName, TYPENAMENSP, TypeNameToString(), typenameType(), and TYPEOID.

Referenced by ProcessUtilitySlow().

694 {
695  char *domainName;
696  char *domainArrayName;
697  Oid domainNamespace;
698  AclResult aclresult;
699  int16 internalLength;
700  Oid inputProcedure;
701  Oid outputProcedure;
702  Oid receiveProcedure;
703  Oid sendProcedure;
704  Oid analyzeProcedure;
705  bool byValue;
706  char category;
707  char delimiter;
708  char alignment;
709  char storage;
710  char typtype;
711  Datum datum;
712  bool isnull;
713  char *defaultValue = NULL;
714  char *defaultValueBin = NULL;
715  bool saw_default = false;
716  bool typNotNull = false;
717  bool nullDefined = false;
718  int32 typNDims = list_length(stmt->typeName->arrayBounds);
719  HeapTuple typeTup;
720  List *schema = stmt->constraints;
721  ListCell *listptr;
722  Oid basetypeoid;
723  Oid old_type_oid;
724  Oid domaincoll;
725  Oid domainArrayOid;
726  Form_pg_type baseType;
727  int32 basetypeMod;
728  Oid baseColl;
729  ObjectAddress address;
730 
731  /* Convert list of names to a name and namespace */
732  domainNamespace = QualifiedNameGetCreationNamespace(stmt->domainname,
733  &domainName);
734 
735  /* Check we have creation rights in target namespace */
736  aclresult = pg_namespace_aclcheck(domainNamespace, GetUserId(),
737  ACL_CREATE);
738  if (aclresult != ACLCHECK_OK)
739  aclcheck_error(aclresult, OBJECT_SCHEMA,
740  get_namespace_name(domainNamespace));
741 
742  /*
743  * Check for collision with an existing type name. If there is one and
744  * it's an autogenerated array, we can rename it out of the way.
745  */
746  old_type_oid = GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
747  CStringGetDatum(domainName),
748  ObjectIdGetDatum(domainNamespace));
749  if (OidIsValid(old_type_oid))
750  {
751  if (!moveArrayTypeName(old_type_oid, domainName, domainNamespace))
752  ereport(ERROR,
754  errmsg("type \"%s\" already exists", domainName)));
755  }
756 
757  /*
758  * Look up the base type.
759  */
760  typeTup = typenameType(NULL, stmt->typeName, &basetypeMod);
761  baseType = (Form_pg_type) GETSTRUCT(typeTup);
762  basetypeoid = baseType->oid;
763 
764  /*
765  * Base type must be a plain base type, a composite type, another domain,
766  * an enum or a range type. Domains over pseudotypes would create a
767  * security hole. (It would be shorter to code this to just check for
768  * pseudotypes; but it seems safer to call out the specific typtypes that
769  * are supported, rather than assume that all future typtypes would be
770  * automatically supported.)
771  */
772  typtype = baseType->typtype;
773  if (typtype != TYPTYPE_BASE &&
774  typtype != TYPTYPE_COMPOSITE &&
775  typtype != TYPTYPE_DOMAIN &&
776  typtype != TYPTYPE_ENUM &&
777  typtype != TYPTYPE_RANGE &&
778  typtype != TYPTYPE_MULTIRANGE)
779  ereport(ERROR,
780  (errcode(ERRCODE_DATATYPE_MISMATCH),
781  errmsg("\"%s\" is not a valid base type for a domain",
782  TypeNameToString(stmt->typeName))));
783 
784  aclresult = pg_type_aclcheck(basetypeoid, GetUserId(), ACL_USAGE);
785  if (aclresult != ACLCHECK_OK)
786  aclcheck_error_type(aclresult, basetypeoid);
787 
788  /*
789  * Collect the properties of the new domain. Some are inherited from the
790  * base type, some are not. If you change any of this inheritance
791  * behavior, be sure to update AlterTypeRecurse() to match!
792  */
793 
794  /*
795  * Identify the collation if any
796  */
797  baseColl = baseType->typcollation;
798  if (stmt->collClause)
799  domaincoll = get_collation_oid(stmt->collClause->collname, false);
800  else
801  domaincoll = baseColl;
802 
803  /* Complain if COLLATE is applied to an uncollatable type */
804  if (OidIsValid(domaincoll) && !OidIsValid(baseColl))
805  ereport(ERROR,
806  (errcode(ERRCODE_DATATYPE_MISMATCH),
807  errmsg("collations are not supported by type %s",
808  format_type_be(basetypeoid))));
809 
810  /* passed by value */
811  byValue = baseType->typbyval;
812 
813  /* Required Alignment */
814  alignment = baseType->typalign;
815 
816  /* TOAST Strategy */
817  storage = baseType->typstorage;
818 
819  /* Storage Length */
820  internalLength = baseType->typlen;
821 
822  /* Type Category */
823  category = baseType->typcategory;
824 
825  /* Array element Delimiter */
826  delimiter = baseType->typdelim;
827 
828  /* I/O Functions */
829  inputProcedure = F_DOMAIN_IN;
830  outputProcedure = baseType->typoutput;
831  receiveProcedure = F_DOMAIN_RECV;
832  sendProcedure = baseType->typsend;
833 
834  /* Domains never accept typmods, so no typmodin/typmodout needed */
835 
836  /* Analysis function */
837  analyzeProcedure = baseType->typanalyze;
838 
839  /*
840  * Domains don't need a subscript function, since they are not
841  * subscriptable on their own. If the base type is subscriptable, the
842  * parser will reduce the type to the base type before subscripting.
843  */
844 
845  /* Inherited default value */
846  datum = SysCacheGetAttr(TYPEOID, typeTup,
847  Anum_pg_type_typdefault, &isnull);
848  if (!isnull)
849  defaultValue = TextDatumGetCString(datum);
850 
851  /* Inherited default binary value */
852  datum = SysCacheGetAttr(TYPEOID, typeTup,
853  Anum_pg_type_typdefaultbin, &isnull);
854  if (!isnull)
855  defaultValueBin = TextDatumGetCString(datum);
856 
857  /*
858  * Run through constraints manually to avoid the additional processing
859  * conducted by DefineRelation() and friends.
860  */
861  foreach(listptr, schema)
862  {
863  Constraint *constr = lfirst(listptr);
864 
865  if (!IsA(constr, Constraint))
866  elog(ERROR, "unrecognized node type: %d",
867  (int) nodeTag(constr));
868  switch (constr->contype)
869  {
870  case CONSTR_DEFAULT:
871 
872  /*
873  * The inherited default value may be overridden by the user
874  * with the DEFAULT <expr> clause ... but only once.
875  */
876  if (saw_default)
877  ereport(ERROR,
878  (errcode(ERRCODE_SYNTAX_ERROR),
879  errmsg("multiple default expressions")));
880  saw_default = true;
881 
882  if (constr->raw_expr)
883  {
884  ParseState *pstate;
885  Node *defaultExpr;
886 
887  /* Create a dummy ParseState for transformExpr */
888  pstate = make_parsestate(NULL);
889 
890  /*
891  * Cook the constr->raw_expr into an expression. Note:
892  * name is strictly for error message
893  */
894  defaultExpr = cookDefault(pstate, constr->raw_expr,
895  basetypeoid,
896  basetypeMod,
897  domainName,
898  0);
899 
900  /*
901  * If the expression is just a NULL constant, we treat it
902  * like not having a default.
903  *
904  * Note that if the basetype is another domain, we'll see
905  * a CoerceToDomain expr here and not discard the default.
906  * This is critical because the domain default needs to be
907  * retained to override any default that the base domain
908  * might have.
909  */
910  if (defaultExpr == NULL ||
911  (IsA(defaultExpr, Const) &&
912  ((Const *) defaultExpr)->constisnull))
913  {
914  defaultValue = NULL;
915  defaultValueBin = NULL;
916  }
917  else
918  {
919  /*
920  * Expression must be stored as a nodeToString result,
921  * but we also require a valid textual representation
922  * (mainly to make life easier for pg_dump).
923  */
924  defaultValue =
925  deparse_expression(defaultExpr,
926  NIL, false, false);
927  defaultValueBin = nodeToString(defaultExpr);
928  }
929  }
930  else
931  {
932  /* No default (can this still happen?) */
933  defaultValue = NULL;
934  defaultValueBin = NULL;
935  }
936  break;
937 
938  case CONSTR_NOTNULL:
939  if (nullDefined && !typNotNull)
940  ereport(ERROR,
941  (errcode(ERRCODE_SYNTAX_ERROR),
942  errmsg("conflicting NULL/NOT NULL constraints")));
943  typNotNull = true;
944  nullDefined = true;
945  break;
946 
947  case CONSTR_NULL:
948  if (nullDefined && typNotNull)
949  ereport(ERROR,
950  (errcode(ERRCODE_SYNTAX_ERROR),
951  errmsg("conflicting NULL/NOT NULL constraints")));
952  typNotNull = false;
953  nullDefined = true;
954  break;
955 
956  case CONSTR_CHECK:
957 
958  /*
959  * Check constraints are handled after domain creation, as
960  * they require the Oid of the domain; at this point we can
961  * only check that they're not marked NO INHERIT, because that
962  * would be bogus.
963  */
964  if (constr->is_no_inherit)
965  ereport(ERROR,
966  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
967  errmsg("check constraints for domains cannot be marked NO INHERIT")));
968  break;
969 
970  /*
971  * All else are error cases
972  */
973  case CONSTR_UNIQUE:
974  ereport(ERROR,
975  (errcode(ERRCODE_SYNTAX_ERROR),
976  errmsg("unique constraints not possible for domains")));
977  break;
978 
979  case CONSTR_PRIMARY:
980  ereport(ERROR,
981  (errcode(ERRCODE_SYNTAX_ERROR),
982  errmsg("primary key constraints not possible for domains")));
983  break;
984 
985  case CONSTR_EXCLUSION:
986  ereport(ERROR,
987  (errcode(ERRCODE_SYNTAX_ERROR),
988  errmsg("exclusion constraints not possible for domains")));
989  break;
990 
991  case CONSTR_FOREIGN:
992  ereport(ERROR,
993  (errcode(ERRCODE_SYNTAX_ERROR),
994  errmsg("foreign key constraints not possible for domains")));
995  break;
996 
1000  case CONSTR_ATTR_IMMEDIATE:
1001  ereport(ERROR,
1002  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
1003  errmsg("specifying constraint deferrability not supported for domains")));
1004  break;
1005 
1006  default:
1007  elog(ERROR, "unrecognized constraint subtype: %d",
1008  (int) constr->contype);
1009  break;
1010  }
1011  }
1012 
1013  /* Allocate OID for array type */
1014  domainArrayOid = AssignTypeArrayOid();
1015 
1016  /*
1017  * Have TypeCreate do all the real work.
1018  */
1019  address =
1020  TypeCreate(InvalidOid, /* no predetermined type OID */
1021  domainName, /* type name */
1022  domainNamespace, /* namespace */
1023  InvalidOid, /* relation oid (n/a here) */
1024  0, /* relation kind (ditto) */
1025  GetUserId(), /* owner's ID */
1026  internalLength, /* internal size */
1027  TYPTYPE_DOMAIN, /* type-type (domain type) */
1028  category, /* type-category */
1029  false, /* domain types are never preferred */
1030  delimiter, /* array element delimiter */
1031  inputProcedure, /* input procedure */
1032  outputProcedure, /* output procedure */
1033  receiveProcedure, /* receive procedure */
1034  sendProcedure, /* send procedure */
1035  InvalidOid, /* typmodin procedure - none */
1036  InvalidOid, /* typmodout procedure - none */
1037  analyzeProcedure, /* analyze procedure */
1038  InvalidOid, /* subscript procedure - none */
1039  InvalidOid, /* no array element type */
1040  false, /* this isn't an array */
1041  domainArrayOid, /* array type we are about to create */
1042  basetypeoid, /* base type ID */
1043  defaultValue, /* default type value (text) */
1044  defaultValueBin, /* default type value (binary) */
1045  byValue, /* passed by value */
1046  alignment, /* required alignment */
1047  storage, /* TOAST strategy */
1048  basetypeMod, /* typeMod value */
1049  typNDims, /* Array dimensions for base type */
1050  typNotNull, /* Type NOT NULL */
1051  domaincoll); /* type's collation */
1052 
1053  /*
1054  * Create the array type that goes with it.
1055  */
1056  domainArrayName = makeArrayTypeName(domainName, domainNamespace);
1057 
1058  /* alignment must be TYPALIGN_INT or TYPALIGN_DOUBLE for arrays */
1059  alignment = (alignment == TYPALIGN_DOUBLE) ? TYPALIGN_DOUBLE : TYPALIGN_INT;
1060 
1061  TypeCreate(domainArrayOid, /* force assignment of this type OID */
1062  domainArrayName, /* type name */
1063  domainNamespace, /* namespace */
1064  InvalidOid, /* relation oid (n/a here) */
1065  0, /* relation kind (ditto) */
1066  GetUserId(), /* owner's ID */
1067  -1, /* internal size (always varlena) */
1068  TYPTYPE_BASE, /* type-type (base type) */
1069  TYPCATEGORY_ARRAY, /* type-category (array) */
1070  false, /* array types are never preferred */
1071  delimiter, /* array element delimiter */
1072  F_ARRAY_IN, /* input procedure */
1073  F_ARRAY_OUT, /* output procedure */
1074  F_ARRAY_RECV, /* receive procedure */
1075  F_ARRAY_SEND, /* send procedure */
1076  InvalidOid, /* typmodin procedure - none */
1077  InvalidOid, /* typmodout procedure - none */
1078  F_ARRAY_TYPANALYZE, /* analyze procedure */
1079  F_ARRAY_SUBSCRIPT_HANDLER, /* array subscript procedure */
1080  address.objectId, /* element type ID */
1081  true, /* yes this is an array type */
1082  InvalidOid, /* no further array type */
1083  InvalidOid, /* base type ID */
1084  NULL, /* never a default type value */
1085  NULL, /* binary default isn't sent either */
1086  false, /* never passed by value */
1087  alignment, /* see above */
1088  TYPSTORAGE_EXTENDED, /* ARRAY is always toastable */
1089  -1, /* typMod (Domains only) */
1090  0, /* Array dimensions of typbasetype */
1091  false, /* Type NOT NULL */
1092  domaincoll); /* type's collation */
1093 
1094  pfree(domainArrayName);
1095 
1096  /*
1097  * Process constraints which refer to the domain ID returned by TypeCreate
1098  */
1099  foreach(listptr, schema)
1100  {
1101  Constraint *constr = lfirst(listptr);
1102 
1103  /* it must be a Constraint, per check above */
1104 
1105  switch (constr->contype)
1106  {
1107  case CONSTR_CHECK:
1108  domainAddConstraint(address.objectId, domainNamespace,
1109  basetypeoid, basetypeMod,
1110  constr, domainName, NULL);
1111  break;
1112 
1113  /* Other constraint types were fully processed above */
1114 
1115  default:
1116  break;
1117  }
1118 
1119  /* CCI so we can detect duplicate constraint names */
1121  }
1122 
1123  /*
1124  * Now we can clean up.
1125  */
1126  ReleaseSysCache(typeTup);
1127 
1128  return address;
1129 }
signed short int16
Definition: c.h:428
#define NIL
Definition: pg_list.h:65
#define IsA(nodeptr, _type_)
Definition: nodes.h:587
char * makeArrayTypeName(const char *typeName, Oid typeNamespace)
Definition: pg_type.c:816
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Type typenameType(ParseState *pstate, const TypeName *typeName, int32 *typmod_p)
Definition: parse_type.c:264
Oid GetUserId(void)
Definition: miscinit.c:495
Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p)
Definition: namespace.c:3040
char * TypeNameToString(const TypeName *typeName)
Definition: parse_type.c:480
Node * raw_expr
Definition: parsenodes.h:2273
Definition: nodes.h:536
int errcode(int sqlerrcode)
Definition: elog.c:698
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
Node * cookDefault(ParseState *pstate, Node *raw_default, Oid atttypid, int32 atttypmod, const char *attname, char attgenerated)
Definition: heap.c:3075
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4756
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
signed int int32
Definition: c.h:429
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:44
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
static char * domainAddConstraint(Oid domainOid, Oid domainNamespace, Oid baseTypeOid, int typMod, Constraint *constr, const char *domainName, ObjectAddress *constrAddr)
Definition: typecmds.c:3446
void pfree(void *pointer)
Definition: mcxt.c:1169
CollateClause * collClause
Definition: parsenodes.h:2698
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define ACL_CREATE
Definition: parsenodes.h:92
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
#define CStringGetDatum(X)
Definition: postgres.h:622
#define ACL_USAGE
Definition: parsenodes.h:90
#define TextDatumGetCString(d)
Definition: builtins.h:87
AclResult
Definition: acl.h:177
uintptr_t Datum
Definition: postgres.h:411
void CommandCounterIncrement(void)
Definition: xact.c:1021
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
Datum SysCacheGetAttr(int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull)
Definition: syscache.c:1388
#define InvalidOid
Definition: postgres_ext.h:36
bool is_no_inherit
Definition: parsenodes.h:2272
#define ereport(elevel,...)
Definition: elog.h:157
#define lfirst(lc)
Definition: pg_list.h:169
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:195
char * deparse_expression(Node *expr, List *dpcontext, bool forceprefix, bool showimplicit)
Definition: ruleutils.c:3501
ObjectAddress TypeCreate(Oid newTypeOid, const char *typeName, Oid typeNamespace, Oid relationOid, char relationKind, Oid ownerId, int16 internalSize, char typeType, char typeCategory, bool typePreferred, char typDelim, Oid inputProcedure, Oid outputProcedure, Oid receiveProcedure, Oid sendProcedure, Oid typmodinProcedure, Oid typmodoutProcedure, Oid analyzeProcedure, Oid subscriptProcedure, Oid elementType, bool isImplicitArray, Oid arrayType, Oid baseType, const char *defaultTypeValue, char *defaultTypeBin, bool passedByValue, char alignment, char storage, int32 typeMod, int32 typNDims, bool typeNotNull, Oid typeCollation)
Definition: pg_type.c:198
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
static int list_length(const List *l)
Definition: pg_list.h:149
#define nodeTag(nodeptr)
Definition: nodes.h:541
Oid AssignTypeArrayOid(void)
Definition: typecmds.c:2402
TypeName * typeName
Definition: parsenodes.h:2697
List * collname
Definition: parsenodes.h:332
List * arrayBounds
Definition: parsenodes.h:227
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
char * nodeToString(const void *obj)
Definition: outfuncs.c:4544
ConstrType contype
Definition: parsenodes.h:2263
AclResult pg_type_aclcheck(Oid type_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4806
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32
Oid get_collation_oid(List *name, bool missing_ok)
Definition: namespace.c:3646
Definition: pg_list.h:50

◆ DefineEnum()

ObjectAddress DefineEnum ( CreateEnumStmt stmt)

Definition at line 1137 of file typecmds.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_OK, AssignTypeArrayOid(), CStringGetDatum, DEFAULT_TYPDELIM, EnumValuesCreate(), ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, get_namespace_name(), GetSysCacheOid2, GetUserId(), InvalidOid, makeArrayTypeName(), moveArrayTypeName(), OBJECT_SCHEMA, ObjectAddress::objectId, ObjectIdGetDatum, OidIsValid, pfree(), pg_namespace_aclcheck(), QualifiedNameGetCreationNamespace(), TypeCreate(), CreateEnumStmt::typeName, TYPENAMENSP, and CreateEnumStmt::vals.

Referenced by ProcessUtilitySlow().

1138 {
1139  char *enumName;
1140  char *enumArrayName;
1141  Oid enumNamespace;
1142  AclResult aclresult;
1143  Oid old_type_oid;
1144  Oid enumArrayOid;
1145  ObjectAddress enumTypeAddr;
1146 
1147  /* Convert list of names to a name and namespace */
1148  enumNamespace = QualifiedNameGetCreationNamespace(stmt->typeName,
1149  &enumName);
1150 
1151  /* Check we have creation rights in target namespace */
1152  aclresult = pg_namespace_aclcheck(enumNamespace, GetUserId(), ACL_CREATE);
1153  if (aclresult != ACLCHECK_OK)
1154  aclcheck_error(aclresult, OBJECT_SCHEMA,
1155  get_namespace_name(enumNamespace));
1156 
1157  /*
1158  * Check for collision with an existing type name. If there is one and
1159  * it's an autogenerated array, we can rename it out of the way.
1160  */
1161  old_type_oid = GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
1162  CStringGetDatum(enumName),
1163  ObjectIdGetDatum(enumNamespace));
1164  if (OidIsValid(old_type_oid))
1165  {
1166  if (!moveArrayTypeName(old_type_oid, enumName, enumNamespace))
1167  ereport(ERROR,
1169  errmsg("type \"%s\" already exists", enumName)));
1170  }
1171 
1172  /* Allocate OID for array type */
1173  enumArrayOid = AssignTypeArrayOid();
1174 
1175  /* Create the pg_type entry */
1176  enumTypeAddr =
1177  TypeCreate(InvalidOid, /* no predetermined type OID */
1178  enumName, /* type name */
1179  enumNamespace, /* namespace */
1180  InvalidOid, /* relation oid (n/a here) */
1181  0, /* relation kind (ditto) */
1182  GetUserId(), /* owner's ID */
1183  sizeof(Oid), /* internal size */
1184  TYPTYPE_ENUM, /* type-type (enum type) */
1185  TYPCATEGORY_ENUM, /* type-category (enum type) */
1186  false, /* enum types are never preferred */
1187  DEFAULT_TYPDELIM, /* array element delimiter */
1188  F_ENUM_IN, /* input procedure */
1189  F_ENUM_OUT, /* output procedure */
1190  F_ENUM_RECV, /* receive procedure */
1191  F_ENUM_SEND, /* send procedure */
1192  InvalidOid, /* typmodin procedure - none */
1193  InvalidOid, /* typmodout procedure - none */
1194  InvalidOid, /* analyze procedure - default */
1195  InvalidOid, /* subscript procedure - none */
1196  InvalidOid, /* element type ID */
1197  false, /* this is not an array type */
1198  enumArrayOid, /* array type we are about to create */
1199  InvalidOid, /* base type ID (only for domains) */
1200  NULL, /* never a default type value */
1201  NULL, /* binary default isn't sent either */
1202  true, /* always passed by value */
1203  TYPALIGN_INT, /* int alignment */
1204  TYPSTORAGE_PLAIN, /* TOAST strategy always plain */
1205  -1, /* typMod (Domains only) */
1206  0, /* Array dimensions of typbasetype */
1207  false, /* Type NOT NULL */
1208  InvalidOid); /* type's collation */
1209 
1210  /* Enter the enum's values into pg_enum */
1211  EnumValuesCreate(enumTypeAddr.objectId, stmt->vals);
1212 
1213  /*
1214  * Create the array type that goes with it.
1215  */
1216  enumArrayName = makeArrayTypeName(enumName, enumNamespace);
1217 
1218  TypeCreate(enumArrayOid, /* force assignment of this type OID */
1219  enumArrayName, /* type name */
1220  enumNamespace, /* namespace */
1221  InvalidOid, /* relation oid (n/a here) */
1222  0, /* relation kind (ditto) */
1223  GetUserId(), /* owner's ID */
1224  -1, /* internal size (always varlena) */
1225  TYPTYPE_BASE, /* type-type (base type) */
1226  TYPCATEGORY_ARRAY, /* type-category (array) */
1227  false, /* array types are never preferred */
1228  DEFAULT_TYPDELIM, /* array element delimiter */
1229  F_ARRAY_IN, /* input procedure */
1230  F_ARRAY_OUT, /* output procedure */
1231  F_ARRAY_RECV, /* receive procedure */
1232  F_ARRAY_SEND, /* send procedure */
1233  InvalidOid, /* typmodin procedure - none */
1234  InvalidOid, /* typmodout procedure - none */
1235  F_ARRAY_TYPANALYZE, /* analyze procedure */
1236  F_ARRAY_SUBSCRIPT_HANDLER, /* array subscript procedure */
1237  enumTypeAddr.objectId, /* element type ID */
1238  true, /* yes this is an array type */
1239  InvalidOid, /* no further array type */
1240  InvalidOid, /* base type ID */
1241  NULL, /* never a default type value */
1242  NULL, /* binary default isn't sent either */
1243  false, /* never passed by value */
1244  TYPALIGN_INT, /* enums have int align, so do their arrays */
1245  TYPSTORAGE_EXTENDED, /* ARRAY is always toastable */
1246  -1, /* typMod (Domains only) */
1247  0, /* Array dimensions of typbasetype */
1248  false, /* Type NOT NULL */
1249  InvalidOid); /* type's collation */
1250 
1251  pfree(enumArrayName);
1252 
1253  return enumTypeAddr;
1254 }
char * makeArrayTypeName(const char *typeName, Oid typeNamespace)
Definition: pg_type.c:816
Oid GetUserId(void)
Definition: miscinit.c:495
Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p)
Definition: namespace.c:3040
int errcode(int sqlerrcode)
Definition: elog.c:698
void EnumValuesCreate(Oid enumTypeOid, List *vals)
Definition: pg_enum.c:61
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4756
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
void pfree(void *pointer)
Definition: mcxt.c:1169
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define ACL_CREATE
Definition: parsenodes.h:92
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
#define CStringGetDatum(X)
Definition: postgres.h:622
AclResult
Definition: acl.h:177
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
#define DEFAULT_TYPDELIM
Definition: typecmds.h:22
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:195
ObjectAddress TypeCreate(Oid newTypeOid, const char *typeName, Oid typeNamespace, Oid relationOid, char relationKind, Oid ownerId, int16 internalSize, char typeType, char typeCategory, bool typePreferred, char typDelim, Oid inputProcedure, Oid outputProcedure, Oid receiveProcedure, Oid sendProcedure, Oid typmodinProcedure, Oid typmodoutProcedure, Oid analyzeProcedure, Oid subscriptProcedure, Oid elementType, bool isImplicitArray, Oid arrayType, Oid baseType, const char *defaultTypeValue, char *defaultTypeBin, bool passedByValue, char alignment, char storage, int32 typeMod, int32 typNDims, bool typeNotNull, Oid typeCollation)
Definition: pg_type.c:198
Oid AssignTypeArrayOid(void)
Definition: typecmds.c:2402
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32

◆ DefineRange()

ObjectAddress DefineRange ( ParseState pstate,
CreateRangeStmt stmt 
)

Definition at line 1336 of file typecmds.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_OK, Assert, AssignTypeArrayOid(), AssignTypeMultirangeArrayOid(), AssignTypeMultirangeOid(), CastCreate(), CStringGetDatum, DEFAULT_TYPDELIM, defGetQualifiedName(), defGetTypeName(), DefElem::defname, DEPENDENCY_INTERNAL, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errhint(), errmsg(), ERROR, errorConflictingDefElem(), findRangeCanonicalFunction(), findRangeSubOpclass(), findRangeSubtypeDiffFunction(), format_type_be(), get_collation_oid(), get_namespace_name(), get_typcollation(), get_typisdefined(), get_typlenbyvalalign(), get_typtype(), GetSysCacheOid2, GetUserId(), InvalidOid, lfirst, makeArrayTypeName(), makeMultirangeConstructors(), makeMultirangeTypeName(), makeRangeConstructors(), moveArrayTypeName(), NIL, OBJECT_SCHEMA, ObjectAddress::objectId, ObjectIdGetDatum, OidIsValid, CreateRangeStmt::params, pfree(), pg_namespace_aclcheck(), PG_USED_FOR_ASSERTS_ONLY, QualifiedNameGetCreationNamespace(), RangeCreate(), type_is_collatable(), TypeCreate(), CreateRangeStmt::typeName, TYPENAMENSP, and typenameTypeId().

Referenced by ProcessUtilitySlow().

1337 {
1338  char *typeName;
1339  Oid typeNamespace;
1340  Oid typoid;
1341  char *rangeArrayName;
1342  char *multirangeTypeName = NULL;
1343  char *multirangeArrayName;
1344  Oid multirangeNamespace = InvalidOid;
1345  Oid rangeArrayOid;
1346  Oid multirangeOid;
1347  Oid multirangeArrayOid;
1348  Oid rangeSubtype = InvalidOid;
1349  List *rangeSubOpclassName = NIL;
1350  List *rangeCollationName = NIL;
1351  List *rangeCanonicalName = NIL;
1352  List *rangeSubtypeDiffName = NIL;
1353  Oid rangeSubOpclass;
1354  Oid rangeCollation;
1355  regproc rangeCanonical;
1356  regproc rangeSubtypeDiff;
1357  int16 subtyplen;
1358  bool subtypbyval;
1359  char subtypalign;
1360  char alignment;
1361  AclResult aclresult;
1362  ListCell *lc;
1363  ObjectAddress address;
1365  Oid castFuncOid;
1366 
1367  /* Convert list of names to a name and namespace */
1368  typeNamespace = QualifiedNameGetCreationNamespace(stmt->typeName,
1369  &typeName);
1370 
1371  /* Check we have creation rights in target namespace */
1372  aclresult = pg_namespace_aclcheck(typeNamespace, GetUserId(), ACL_CREATE);
1373  if (aclresult != ACLCHECK_OK)
1374  aclcheck_error(aclresult, OBJECT_SCHEMA,
1375  get_namespace_name(typeNamespace));
1376 
1377  /*
1378  * Look to see if type already exists.
1379  */
1380  typoid = GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
1381  CStringGetDatum(typeName),
1382  ObjectIdGetDatum(typeNamespace));
1383 
1384  /*
1385  * If it's not a shell, see if it's an autogenerated array type, and if so
1386  * rename it out of the way.
1387  */
1388  if (OidIsValid(typoid) && get_typisdefined(typoid))
1389  {
1390  if (moveArrayTypeName(typoid, typeName, typeNamespace))
1391  typoid = InvalidOid;
1392  else
1393  ereport(ERROR,
1395  errmsg("type \"%s\" already exists", typeName)));
1396  }
1397 
1398  /*
1399  * Unlike DefineType(), we don't insist on a shell type existing first, as
1400  * it's only needed if the user wants to specify a canonical function.
1401  */
1402 
1403  /* Extract the parameters from the parameter list */
1404  foreach(lc, stmt->params)
1405  {
1406  DefElem *defel = (DefElem *) lfirst(lc);
1407 
1408  if (strcmp(defel->defname, "subtype") == 0)
1409  {
1410  if (OidIsValid(rangeSubtype))
1411  errorConflictingDefElem(defel, pstate);
1412  /* we can look up the subtype name immediately */
1413  rangeSubtype = typenameTypeId(NULL, defGetTypeName(defel));
1414  }
1415  else if (strcmp(defel->defname, "subtype_opclass") == 0)
1416  {
1417  if (rangeSubOpclassName != NIL)
1418  errorConflictingDefElem(defel, pstate);
1419  rangeSubOpclassName = defGetQualifiedName(defel);
1420  }
1421  else if (strcmp(defel->defname, "collation") == 0)
1422  {
1423  if (rangeCollationName != NIL)
1424  errorConflictingDefElem(defel, pstate);
1425  rangeCollationName = defGetQualifiedName(defel);
1426  }
1427  else if (strcmp(defel->defname, "canonical") == 0)
1428  {
1429  if (rangeCanonicalName != NIL)
1430  errorConflictingDefElem(defel, pstate);
1431  rangeCanonicalName = defGetQualifiedName(defel);
1432  }
1433  else if (strcmp(defel->defname, "subtype_diff") == 0)
1434  {
1435  if (rangeSubtypeDiffName != NIL)
1436  errorConflictingDefElem(defel, pstate);
1437  rangeSubtypeDiffName = defGetQualifiedName(defel);
1438  }
1439  else if (strcmp(defel->defname, "multirange_type_name") == 0)
1440  {
1441  if (multirangeTypeName != NULL)
1442  errorConflictingDefElem(defel, pstate);
1443  /* we can look up the subtype name immediately */
1444  multirangeNamespace = QualifiedNameGetCreationNamespace(defGetQualifiedName(defel),
1445  &multirangeTypeName);
1446  }
1447  else
1448  ereport(ERROR,
1449  (errcode(ERRCODE_SYNTAX_ERROR),
1450  errmsg("type attribute \"%s\" not recognized",
1451  defel->defname)));
1452  }
1453 
1454  /* Must have a subtype */
1455  if (!OidIsValid(rangeSubtype))
1456  ereport(ERROR,
1457  (errcode(ERRCODE_SYNTAX_ERROR),
1458  errmsg("type attribute \"subtype\" is required")));
1459  /* disallow ranges of pseudotypes */
1460  if (get_typtype(rangeSubtype) == TYPTYPE_PSEUDO)
1461  ereport(ERROR,
1462  (errcode(ERRCODE_DATATYPE_MISMATCH),
1463  errmsg("range subtype cannot be %s",
1464  format_type_be(rangeSubtype))));
1465 
1466  /* Identify subopclass */
1467  rangeSubOpclass = findRangeSubOpclass(rangeSubOpclassName, rangeSubtype);
1468 
1469  /* Identify collation to use, if any */
1470  if (type_is_collatable(rangeSubtype))
1471  {
1472  if (rangeCollationName != NIL)
1473  rangeCollation = get_collation_oid(rangeCollationName, false);
1474  else
1475  rangeCollation = get_typcollation(rangeSubtype);
1476  }
1477  else
1478  {
1479  if (rangeCollationName != NIL)
1480  ereport(ERROR,
1481  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
1482  errmsg("range collation specified but subtype does not support collation")));
1483  rangeCollation = InvalidOid;
1484  }
1485 
1486  /* Identify support functions, if provided */
1487  if (rangeCanonicalName != NIL)
1488  {
1489  if (!OidIsValid(typoid))
1490  ereport(ERROR,
1491  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
1492  errmsg("cannot specify a canonical function without a pre-created shell type"),
1493  errhint("Create the type as a shell type, then create its canonicalization function, then do a full CREATE TYPE.")));
1494  rangeCanonical = findRangeCanonicalFunction(rangeCanonicalName,
1495  typoid);
1496  }
1497  else
1498  rangeCanonical = InvalidOid;
1499 
1500  if (rangeSubtypeDiffName != NIL)
1501  rangeSubtypeDiff = findRangeSubtypeDiffFunction(rangeSubtypeDiffName,
1502  rangeSubtype);
1503  else
1504  rangeSubtypeDiff = InvalidOid;
1505 
1506  get_typlenbyvalalign(rangeSubtype,
1507  &subtyplen, &subtypbyval, &subtypalign);
1508 
1509  /* alignment must be TYPALIGN_INT or TYPALIGN_DOUBLE for ranges */
1510  alignment = (subtypalign == TYPALIGN_DOUBLE) ? TYPALIGN_DOUBLE : TYPALIGN_INT;
1511 
1512  /* Allocate OID for array type, its multirange, and its multirange array */
1513  rangeArrayOid = AssignTypeArrayOid();
1514  multirangeOid = AssignTypeMultirangeOid();
1515  multirangeArrayOid = AssignTypeMultirangeArrayOid();
1516 
1517  /* Create the pg_type entry */
1518  address =
1519  TypeCreate(InvalidOid, /* no predetermined type OID */
1520  typeName, /* type name */
1521  typeNamespace, /* namespace */
1522  InvalidOid, /* relation oid (n/a here) */
1523  0, /* relation kind (ditto) */
1524  GetUserId(), /* owner's ID */
1525  -1, /* internal size (always varlena) */
1526  TYPTYPE_RANGE, /* type-type (range type) */
1527  TYPCATEGORY_RANGE, /* type-category (range type) */
1528  false, /* range types are never preferred */
1529  DEFAULT_TYPDELIM, /* array element delimiter */
1530  F_RANGE_IN, /* input procedure */
1531  F_RANGE_OUT, /* output procedure */
1532  F_RANGE_RECV, /* receive procedure */
1533  F_RANGE_SEND, /* send procedure */
1534  InvalidOid, /* typmodin procedure - none */
1535  InvalidOid, /* typmodout procedure - none */
1536  F_RANGE_TYPANALYZE, /* analyze procedure */
1537  InvalidOid, /* subscript procedure - none */
1538  InvalidOid, /* element type ID - none */
1539  false, /* this is not an array type */
1540  rangeArrayOid, /* array type we are about to create */
1541  InvalidOid, /* base type ID (only for domains) */
1542  NULL, /* never a default type value */
1543  NULL, /* no binary form available either */
1544  false, /* never passed by value */
1545  alignment, /* alignment */
1546  TYPSTORAGE_EXTENDED, /* TOAST strategy (always extended) */
1547  -1, /* typMod (Domains only) */
1548  0, /* Array dimensions of typbasetype */
1549  false, /* Type NOT NULL */
1550  InvalidOid); /* type's collation (ranges never have one) */
1551  Assert(typoid == InvalidOid || typoid == address.objectId);
1552  typoid = address.objectId;
1553 
1554  /* Create the multirange that goes with it */
1555  if (multirangeTypeName)
1556  {
1557  Oid old_typoid;
1558 
1559  /*
1560  * Look to see if multirange type already exists.
1561  */
1562  old_typoid = GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
1563  CStringGetDatum(multirangeTypeName),
1564  ObjectIdGetDatum(multirangeNamespace));
1565 
1566  /*
1567  * If it's not a shell, see if it's an autogenerated array type, and
1568  * if so rename it out of the way.
1569  */
1570  if (OidIsValid(old_typoid) && get_typisdefined(old_typoid))
1571  {
1572  if (!moveArrayTypeName(old_typoid, multirangeTypeName, multirangeNamespace))
1573  ereport(ERROR,
1575  errmsg("type \"%s\" already exists", multirangeTypeName)));
1576  }
1577  }
1578  else
1579  {
1580  /* Generate multirange name automatically */
1581  multirangeNamespace = typeNamespace;
1582  multirangeTypeName = makeMultirangeTypeName(typeName, multirangeNamespace);
1583  }
1584 
1585  mltrngaddress =
1586  TypeCreate(multirangeOid, /* force assignment of this type OID */
1587  multirangeTypeName, /* type name */
1588  multirangeNamespace, /* namespace */
1589  InvalidOid, /* relation oid (n/a here) */
1590  0, /* relation kind (ditto) */
1591  GetUserId(), /* owner's ID */
1592  -1, /* internal size (always varlena) */
1593  TYPTYPE_MULTIRANGE, /* type-type (multirange type) */
1594  TYPCATEGORY_RANGE, /* type-category (range type) */
1595  false, /* multirange types are never preferred */
1596  DEFAULT_TYPDELIM, /* array element delimiter */
1597  F_MULTIRANGE_IN, /* input procedure */
1598  F_MULTIRANGE_OUT, /* output procedure */
1599  F_MULTIRANGE_RECV, /* receive procedure */
1600  F_MULTIRANGE_SEND, /* send procedure */
1601  InvalidOid, /* typmodin procedure - none */
1602  InvalidOid, /* typmodout procedure - none */
1603  F_MULTIRANGE_TYPANALYZE, /* analyze procedure */
1604  InvalidOid, /* subscript procedure - none */
1605  InvalidOid, /* element type ID - none */
1606  false, /* this is not an array type */
1607  multirangeArrayOid, /* array type we are about to create */
1608  InvalidOid, /* base type ID (only for domains) */
1609  NULL, /* never a default type value */
1610  NULL, /* no binary form available either */
1611  false, /* never passed by value */
1612  alignment, /* alignment */
1613  'x', /* TOAST strategy (always extended) */
1614  -1, /* typMod (Domains only) */
1615  0, /* Array dimensions of typbasetype */
1616  false, /* Type NOT NULL */
1617  InvalidOid); /* type's collation (ranges never have one) */
1618  Assert(multirangeOid == mltrngaddress.objectId);
1619 
1620  /* Create the entry in pg_range */
1621  RangeCreate(typoid, rangeSubtype, rangeCollation, rangeSubOpclass,
1622  rangeCanonical, rangeSubtypeDiff, multirangeOid);
1623 
1624  /*
1625  * Create the array type that goes with it.
1626  */
1627  rangeArrayName = makeArrayTypeName(typeName, typeNamespace);
1628 
1629  TypeCreate(rangeArrayOid, /* force assignment of this type OID */
1630  rangeArrayName, /* type name */
1631  typeNamespace, /* namespace */
1632  InvalidOid, /* relation oid (n/a here) */
1633  0, /* relation kind (ditto) */
1634  GetUserId(), /* owner's ID */
1635  -1, /* internal size (always varlena) */
1636  TYPTYPE_BASE, /* type-type (base type) */
1637  TYPCATEGORY_ARRAY, /* type-category (array) */
1638  false, /* array types are never preferred */
1639  DEFAULT_TYPDELIM, /* array element delimiter */
1640  F_ARRAY_IN, /* input procedure */
1641  F_ARRAY_OUT, /* output procedure */
1642  F_ARRAY_RECV, /* receive procedure */
1643  F_ARRAY_SEND, /* send procedure */
1644  InvalidOid, /* typmodin procedure - none */
1645  InvalidOid, /* typmodout procedure - none */
1646  F_ARRAY_TYPANALYZE, /* analyze procedure */
1647  F_ARRAY_SUBSCRIPT_HANDLER, /* array subscript procedure */
1648  typoid, /* element type ID */
1649  true, /* yes this is an array type */
1650  InvalidOid, /* no further array type */
1651  InvalidOid, /* base type ID */
1652  NULL, /* never a default type value */
1653  NULL, /* binary default isn't sent either */
1654  false, /* never passed by value */
1655  alignment, /* alignment - same as range's */
1656  TYPSTORAGE_EXTENDED, /* ARRAY is always toastable */
1657  -1, /* typMod (Domains only) */
1658  0, /* Array dimensions of typbasetype */
1659  false, /* Type NOT NULL */
1660  InvalidOid); /* typcollation */
1661 
1662  pfree(rangeArrayName);
1663 
1664  /* Create the multirange's array type */
1665 
1666  multirangeArrayName = makeArrayTypeName(multirangeTypeName, typeNamespace);
1667 
1668  TypeCreate(multirangeArrayOid, /* force assignment of this type OID */
1669  multirangeArrayName, /* type name */
1670  multirangeNamespace, /* namespace */
1671  InvalidOid, /* relation oid (n/a here) */
1672  0, /* relation kind (ditto) */
1673  GetUserId(), /* owner's ID */
1674  -1, /* internal size (always varlena) */
1675  TYPTYPE_BASE, /* type-type (base type) */
1676  TYPCATEGORY_ARRAY, /* type-category (array) */
1677  false, /* array types are never preferred */
1678  DEFAULT_TYPDELIM, /* array element delimiter */
1679  F_ARRAY_IN, /* input procedure */
1680  F_ARRAY_OUT, /* output procedure */
1681  F_ARRAY_RECV, /* receive procedure */
1682  F_ARRAY_SEND, /* send procedure */
1683  InvalidOid, /* typmodin procedure - none */
1684  InvalidOid, /* typmodout procedure - none */
1685  F_ARRAY_TYPANALYZE, /* analyze procedure */
1686  F_ARRAY_SUBSCRIPT_HANDLER, /* array subscript procedure */
1687  multirangeOid, /* element type ID */
1688  true, /* yes this is an array type */
1689  InvalidOid, /* no further array type */
1690  InvalidOid, /* base type ID */
1691  NULL, /* never a default type value */
1692  NULL, /* binary default isn't sent either */
1693  false, /* never passed by value */
1694  alignment, /* alignment - same as range's */
1695  'x', /* ARRAY is always toastable */
1696  -1, /* typMod (Domains only) */
1697  0, /* Array dimensions of typbasetype */
1698  false, /* Type NOT NULL */
1699  InvalidOid); /* typcollation */
1700 
1701  /* And create the constructor functions for this range type */
1702  makeRangeConstructors(typeName, typeNamespace, typoid, rangeSubtype);
1703  makeMultirangeConstructors(multirangeTypeName, typeNamespace,
1704  multirangeOid, typoid, rangeArrayOid,
1705  &castFuncOid);
1706 
1707  /* Create cast from the range type to its multirange type */
1708  CastCreate(typoid, multirangeOid, castFuncOid, 'e', 'f', DEPENDENCY_INTERNAL);
1709 
1710  pfree(multirangeTypeName);
1711  pfree(multirangeArrayName);
1712 
1713  return address;
1714 }
signed short int16
Definition: c.h:428
#define NIL
Definition: pg_list.h:65
static void makeRangeConstructors(const char *name, Oid namespace, Oid rangeOid, Oid subtype)
Definition: typecmds.c:1726
char * makeArrayTypeName(const char *typeName, Oid typeNamespace)
Definition: pg_type.c:816
int errhint(const char *fmt,...)
Definition: elog.c:1156
Oid GetUserId(void)
Definition: miscinit.c:495
ObjectAddress CastCreate(Oid sourcetypeid, Oid targettypeid, Oid funcid, char castcontext, char castmethod, DependencyType behavior)
Definition: pg_cast.c:43
Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p)
Definition: namespace.c:3040
void RangeCreate(Oid rangeTypeOid, Oid rangeSubType, Oid rangeCollation, Oid rangeSubOpclass, RegProcedure rangeCanonical, RegProcedure rangeSubDiff, Oid multirangeTypeOid)
Definition: pg_range.c:36
void get_typlenbyvalalign(Oid typid, int16 *typlen, bool *typbyval, char *typalign)
Definition: lsyscache.c:2218
bool get_typisdefined(Oid typid)
Definition: lsyscache.c:2120
int errcode(int sqlerrcode)
Definition: elog.c:698
char get_typtype(Oid typid)
Definition: lsyscache.c:2576
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:710
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4756
Oid AssignTypeMultirangeArrayOid(void)
Definition: typecmds.c:2468
static Oid findRangeSubtypeDiffFunction(List *procname, Oid subtype)
Definition: typecmds.c:2354
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
TypeName * defGetTypeName(DefElem *def)
Definition: define.c:250
void pfree(void *pointer)
Definition: mcxt.c:1169
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define ACL_CREATE
Definition: parsenodes.h:92
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
Oid AssignTypeMultirangeOid(void)
Definition: typecmds.c:2435
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
#define CStringGetDatum(X)
Definition: postgres.h:622
AclResult
Definition: acl.h:177
#define InvalidOid
Definition: postgres_ext.h:36
static Oid findRangeSubOpclass(List *opcname, Oid subtype)
Definition: typecmds.c:2274
#define ereport(elevel,...)
Definition: elog.h:157
Oid get_typcollation(Oid typid)
Definition: lsyscache.c:3003
void errorConflictingDefElem(DefElem *defel, ParseState *pstate)
Definition: define.c:350
#define DEFAULT_TYPDELIM
Definition: typecmds.h:22
#define Assert(condition)
Definition: c.h:804
#define lfirst(lc)
Definition: pg_list.h:169
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:195
List * defGetQualifiedName(DefElem *def)
Definition: define.c:218
ObjectAddress TypeCreate(Oid newTypeOid, const char *typeName, Oid typeNamespace, Oid relationOid, char relationKind, Oid ownerId, int16 internalSize, char typeType, char typeCategory, bool typePreferred, char typDelim, Oid inputProcedure, Oid outputProcedure, Oid receiveProcedure, Oid sendProcedure, Oid typmodinProcedure, Oid typmodoutProcedure, Oid analyzeProcedure, Oid subscriptProcedure, Oid elementType, bool isImplicitArray, Oid arrayType, Oid baseType, const char *defaultTypeValue, char *defaultTypeBin, bool passedByValue, char alignment, char storage, int32 typeMod, int32 typNDims, bool typeNotNull, Oid typeCollation)
Definition: pg_type.c:198
char * makeMultirangeTypeName(const char *rangeTypeName, Oid typeNamespace)
Definition: pg_type.c:901
Oid AssignTypeArrayOid(void)
Definition: typecmds.c:2402
Oid regproc
Definition: c.h:584
int errmsg(const char *fmt,...)
Definition: elog.c:909
char * defname
Definition: parsenodes.h:758
bool type_is_collatable(Oid typid)
Definition: lsyscache.c:3028
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32
Oid get_collation_oid(List *name, bool missing_ok)
Definition: namespace.c:3646
Definition: pg_list.h:50
static void makeMultirangeConstructors(const char *name, Oid namespace, Oid multirangeOid, Oid rangeOid, Oid rangeArrayOid, Oid *castFuncOid)
Definition: typecmds.c:1800
static Oid findRangeCanonicalFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2313
#define PG_USED_FOR_ASSERTS_ONLY
Definition: c.h:155
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291

◆ DefineType()

ObjectAddress DefineType ( ParseState pstate,
List names,
List parameters 
)

Definition at line 148 of file typecmds.c.

References ACL_CREATE, aclcheck_error(), ACLCHECK_NOT_OWNER, ACLCHECK_OK, Assert, AssignTypeArrayOid(), CStringGetDatum, DEFAULT_TYPDELIM, defGetBoolean(), defGetQualifiedName(), defGetString(), defGetTypeLength(), defGetTypeName(), DefElem::defname, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errhint(), errmsg(), ERROR, errorConflictingDefElem(), findTypeAnalyzeFunction(), findTypeInputFunction(), findTypeOutputFunction(), findTypeReceiveFunction(), findTypeSendFunction(), findTypeSubscriptingFunction(), findTypeTypmodinFunction(), findTypeTypmodoutFunction(), format_type_be(), get_namespace_name(), get_typisdefined(), get_typlen(), get_typtype(), GETSTRUCT, GetSysCacheOid2, GetUserId(), InvalidOid, lfirst, DefElem::location, makeArrayTypeName(), moveArrayTypeName(), NameListToString(), NIL, OBJECT_FUNCTION, OBJECT_SCHEMA, ObjectAddress::objectId, ObjectIdGetDatum, OidIsValid, parser_errposition(), pfree(), pg_namespace_aclcheck(), pg_proc_ownercheck(), pg_strcasecmp(), QualifiedNameGetCreationNamespace(), ReleaseSysCache(), superuser(), TypeCreate(), TYPENAMENSP, typenameType(), typenameTypeId(), TypeShellMake(), and WARNING.

Referenced by ProcessUtilitySlow().

149 {
150  char *typeName;
151  Oid typeNamespace;
152  int16 internalLength = -1; /* default: variable-length */
153  List *inputName = NIL;
154  List *outputName = NIL;
155  List *receiveName = NIL;
156  List *sendName = NIL;
157  List *typmodinName = NIL;
158  List *typmodoutName = NIL;
159  List *analyzeName = NIL;
160  List *subscriptName = NIL;
161  char category = TYPCATEGORY_USER;
162  bool preferred = false;
163  char delimiter = DEFAULT_TYPDELIM;
164  Oid elemType = InvalidOid;
165  char *defaultValue = NULL;
166  bool byValue = false;
167  char alignment = TYPALIGN_INT; /* default alignment */
168  char storage = TYPSTORAGE_PLAIN; /* default TOAST storage method */
169  Oid collation = InvalidOid;
170  DefElem *likeTypeEl = NULL;
171  DefElem *internalLengthEl = NULL;
172  DefElem *inputNameEl = NULL;
173  DefElem *outputNameEl = NULL;
174  DefElem *receiveNameEl = NULL;
175  DefElem *sendNameEl = NULL;
176  DefElem *typmodinNameEl = NULL;
177  DefElem *typmodoutNameEl = NULL;
178  DefElem *analyzeNameEl = NULL;
179  DefElem *subscriptNameEl = NULL;
180  DefElem *categoryEl = NULL;
181  DefElem *preferredEl = NULL;
182  DefElem *delimiterEl = NULL;
183  DefElem *elemTypeEl = NULL;
184  DefElem *defaultValueEl = NULL;
185  DefElem *byValueEl = NULL;
186  DefElem *alignmentEl = NULL;
187  DefElem *storageEl = NULL;
188  DefElem *collatableEl = NULL;
189  Oid inputOid;
190  Oid outputOid;
191  Oid receiveOid = InvalidOid;
192  Oid sendOid = InvalidOid;
193  Oid typmodinOid = InvalidOid;
194  Oid typmodoutOid = InvalidOid;
195  Oid analyzeOid = InvalidOid;
196  Oid subscriptOid = InvalidOid;
197  char *array_type;
198  Oid array_oid;
199  Oid typoid;
200  ListCell *pl;
201  ObjectAddress address;
202 
203  /*
204  * As of Postgres 8.4, we require superuser privilege to create a base
205  * type. This is simple paranoia: there are too many ways to mess up the
206  * system with an incorrect type definition (for instance, representation
207  * parameters that don't match what the C code expects). In practice it
208  * takes superuser privilege to create the I/O functions, and so the
209  * former requirement that you own the I/O functions pretty much forced
210  * superuserness anyway. We're just making doubly sure here.
211  *
212  * XXX re-enable NOT_USED code sections below if you remove this test.
213  */
214  if (!superuser())
215  ereport(ERROR,
216  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
217  errmsg("must be superuser to create a base type")));
218 
219  /* Convert list of names to a name and namespace */
220  typeNamespace = QualifiedNameGetCreationNamespace(names, &typeName);
221 
222 #ifdef NOT_USED
223  /* XXX this is unnecessary given the superuser check above */
224  /* Check we have creation rights in target namespace */
225  aclresult = pg_namespace_aclcheck(typeNamespace, GetUserId(), ACL_CREATE);
226  if (aclresult != ACLCHECK_OK)
227  aclcheck_error(aclresult, OBJECT_SCHEMA,
228  get_namespace_name(typeNamespace));
229 #endif
230 
231  /*
232  * Look to see if type already exists.
233  */
234  typoid = GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
235  CStringGetDatum(typeName),
236  ObjectIdGetDatum(typeNamespace));
237 
238  /*
239  * If it's not a shell, see if it's an autogenerated array type, and if so
240  * rename it out of the way.
241  */
242  if (OidIsValid(typoid) && get_typisdefined(typoid))
243  {
244  if (moveArrayTypeName(typoid, typeName, typeNamespace))
245  typoid = InvalidOid;
246  else
247  ereport(ERROR,
249  errmsg("type \"%s\" already exists", typeName)));
250  }
251 
252  /*
253  * If this command is a parameterless CREATE TYPE, then we're just here to
254  * make a shell type, so do that (or fail if there already is a shell).
255  */
256  if (parameters == NIL)
257  {
258  if (OidIsValid(typoid))
259  ereport(ERROR,
261  errmsg("type \"%s\" already exists", typeName)));
262 
263  address = TypeShellMake(typeName, typeNamespace, GetUserId());
264  return address;
265  }
266 
267  /*
268  * Otherwise, we must already have a shell type, since there is no other
269  * way that the I/O functions could have been created.
270  */
271  if (!OidIsValid(typoid))
272  ereport(ERROR,
274  errmsg("type \"%s\" does not exist", typeName),
275  errhint("Create the type as a shell type, then create its I/O functions, then do a full CREATE TYPE.")));
276 
277  /* Extract the parameters from the parameter list */
278  foreach(pl, parameters)
279  {
280  DefElem *defel = (DefElem *) lfirst(pl);
281  DefElem **defelp;
282 
283  if (strcmp(defel->defname, "like") == 0)
284  defelp = &likeTypeEl;
285  else if (strcmp(defel->defname, "internallength") == 0)
286  defelp = &internalLengthEl;
287  else if (strcmp(defel->defname, "input") == 0)
288  defelp = &inputNameEl;
289  else if (strcmp(defel->defname, "output") == 0)
290  defelp = &outputNameEl;
291  else if (strcmp(defel->defname, "receive") == 0)
292  defelp = &receiveNameEl;
293  else if (strcmp(defel->defname, "send") == 0)
294  defelp = &sendNameEl;
295  else if (strcmp(defel->defname, "typmod_in") == 0)
296  defelp = &typmodinNameEl;
297  else if (strcmp(defel->defname, "typmod_out") == 0)
298  defelp = &typmodoutNameEl;
299  else if (strcmp(defel->defname, "analyze") == 0 ||
300  strcmp(defel->defname, "analyse") == 0)
301  defelp = &analyzeNameEl;
302  else if (strcmp(defel->defname, "subscript") == 0)
303  defelp = &subscriptNameEl;
304  else if (strcmp(defel->defname, "category") == 0)
305  defelp = &categoryEl;
306  else if (strcmp(defel->defname, "preferred") == 0)
307  defelp = &preferredEl;
308  else if (strcmp(defel->defname, "delimiter") == 0)
309  defelp = &delimiterEl;
310  else if (strcmp(defel->defname, "element") == 0)
311  defelp = &elemTypeEl;
312  else if (strcmp(defel->defname, "default") == 0)
313  defelp = &defaultValueEl;
314  else if (strcmp(defel->defname, "passedbyvalue") == 0)
315  defelp = &byValueEl;
316  else if (strcmp(defel->defname, "alignment") == 0)
317  defelp = &alignmentEl;
318  else if (strcmp(defel->defname, "storage") == 0)
319  defelp = &storageEl;
320  else if (strcmp(defel->defname, "collatable") == 0)
321  defelp = &collatableEl;
322  else
323  {
324  /* WARNING, not ERROR, for historical backwards-compatibility */
326  (errcode(ERRCODE_SYNTAX_ERROR),
327  errmsg("type attribute \"%s\" not recognized",
328  defel->defname),
329  parser_errposition(pstate, defel->location)));
330  continue;
331  }
332  if (*defelp != NULL)
333  errorConflictingDefElem(defel, pstate);
334  *defelp = defel;
335  }
336 
337  /*
338  * Now interpret the options; we do this separately so that LIKE can be
339  * overridden by other options regardless of the ordering in the parameter
340  * list.
341  */
342  if (likeTypeEl)
343  {
344  Type likeType;
345  Form_pg_type likeForm;
346 
347  likeType = typenameType(NULL, defGetTypeName(likeTypeEl), NULL);
348  likeForm = (Form_pg_type) GETSTRUCT(likeType);
349  internalLength = likeForm->typlen;
350  byValue = likeForm->typbyval;
351  alignment = likeForm->typalign;
352  storage = likeForm->typstorage;
353  ReleaseSysCache(likeType);
354  }
355  if (internalLengthEl)
356  internalLength = defGetTypeLength(internalLengthEl);
357  if (inputNameEl)
358  inputName = defGetQualifiedName(inputNameEl);
359  if (outputNameEl)
360  outputName = defGetQualifiedName(outputNameEl);
361  if (receiveNameEl)
362  receiveName = defGetQualifiedName(receiveNameEl);
363  if (sendNameEl)
364  sendName = defGetQualifiedName(sendNameEl);
365  if (typmodinNameEl)
366  typmodinName = defGetQualifiedName(typmodinNameEl);
367  if (typmodoutNameEl)
368  typmodoutName = defGetQualifiedName(typmodoutNameEl);
369  if (analyzeNameEl)
370  analyzeName = defGetQualifiedName(analyzeNameEl);
371  if (subscriptNameEl)
372  subscriptName = defGetQualifiedName(subscriptNameEl);
373  if (categoryEl)
374  {
375  char *p = defGetString(categoryEl);
376 
377  category = p[0];
378  /* restrict to non-control ASCII */
379  if (category < 32 || category > 126)
380  ereport(ERROR,
381  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
382  errmsg("invalid type category \"%s\": must be simple ASCII",
383  p)));
384  }
385  if (preferredEl)
386  preferred = defGetBoolean(preferredEl);
387  if (delimiterEl)
388  {
389  char *p = defGetString(delimiterEl);
390 
391  delimiter = p[0];
392  /* XXX shouldn't we restrict the delimiter? */
393  }
394  if (elemTypeEl)
395  {
396  elemType = typenameTypeId(NULL, defGetTypeName(elemTypeEl));
397  /* disallow arrays of pseudotypes */
398  if (get_typtype(elemType) == TYPTYPE_PSEUDO)
399  ereport(ERROR,
400  (errcode(ERRCODE_DATATYPE_MISMATCH),
401  errmsg("array element type cannot be %s",
402  format_type_be(elemType))));
403  }
404  if (defaultValueEl)
405  defaultValue = defGetString(defaultValueEl);
406  if (byValueEl)
407  byValue = defGetBoolean(byValueEl);
408  if (alignmentEl)
409  {
410  char *a = defGetString(alignmentEl);
411 
412  /*
413  * Note: if argument was an unquoted identifier, parser will have
414  * applied translations to it, so be prepared to recognize translated
415  * type names as well as the nominal form.
416  */
417  if (pg_strcasecmp(a, "double") == 0 ||
418  pg_strcasecmp(a, "float8") == 0 ||
419  pg_strcasecmp(a, "pg_catalog.float8") == 0)
420  alignment = TYPALIGN_DOUBLE;
421  else if (pg_strcasecmp(a, "int4") == 0 ||
422  pg_strcasecmp(a, "pg_catalog.int4") == 0)
423  alignment = TYPALIGN_INT;
424  else if (pg_strcasecmp(a, "int2") == 0 ||
425  pg_strcasecmp(a, "pg_catalog.int2") == 0)
426  alignment = TYPALIGN_SHORT;
427  else if (pg_strcasecmp(a, "char") == 0 ||
428  pg_strcasecmp(a, "pg_catalog.bpchar") == 0)
429  alignment = TYPALIGN_CHAR;
430  else
431  ereport(ERROR,
432  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
433  errmsg("alignment \"%s\" not recognized", a)));
434  }
435  if (storageEl)
436  {
437  char *a = defGetString(storageEl);
438 
439  if (pg_strcasecmp(a, "plain") == 0)
440  storage = TYPSTORAGE_PLAIN;
441  else if (pg_strcasecmp(a, "external") == 0)
442  storage = TYPSTORAGE_EXTERNAL;
443  else if (pg_strcasecmp(a, "extended") == 0)
444  storage = TYPSTORAGE_EXTENDED;
445  else if (pg_strcasecmp(a, "main") == 0)
446  storage = TYPSTORAGE_MAIN;
447  else
448  ereport(ERROR,
449  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
450  errmsg("storage \"%s\" not recognized", a)));
451  }
452  if (collatableEl)
453  collation = defGetBoolean(collatableEl) ? DEFAULT_COLLATION_OID : InvalidOid;
454 
455  /*
456  * make sure we have our required definitions
457  */
458  if (inputName == NIL)
459  ereport(ERROR,
460  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
461  errmsg("type input function must be specified")));
462  if (outputName == NIL)
463  ereport(ERROR,
464  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
465  errmsg("type output function must be specified")));
466 
467  if (typmodinName == NIL && typmodoutName != NIL)
468  ereport(ERROR,
469  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
470  errmsg("type modifier output function is useless without a type modifier input function")));
471 
472  /*
473  * Convert I/O proc names to OIDs
474  */
475  inputOid = findTypeInputFunction(inputName, typoid);
476  outputOid = findTypeOutputFunction(outputName, typoid);
477  if (receiveName)
478  receiveOid = findTypeReceiveFunction(receiveName, typoid);
479  if (sendName)
480  sendOid = findTypeSendFunction(sendName, typoid);
481 
482  /*
483  * Convert typmodin/out function proc names to OIDs.
484  */
485  if (typmodinName)
486  typmodinOid = findTypeTypmodinFunction(typmodinName);
487  if (typmodoutName)
488  typmodoutOid = findTypeTypmodoutFunction(typmodoutName);
489 
490  /*
491  * Convert analysis function proc name to an OID. If no analysis function
492  * is specified, we'll use zero to select the built-in default algorithm.
493  */
494  if (analyzeName)
495  analyzeOid = findTypeAnalyzeFunction(analyzeName, typoid);
496 
497  /*
498  * Likewise look up the subscripting function if any. If it is not
499  * specified, but a typelem is specified, allow that if
500  * raw_array_subscript_handler can be used. (This is for backwards
501  * compatibility; maybe someday we should throw an error instead.)
502  */
503  if (subscriptName)
504  subscriptOid = findTypeSubscriptingFunction(subscriptName, typoid);
505  else if (OidIsValid(elemType))
506  {
507  if (internalLength > 0 && !byValue && get_typlen(elemType) > 0)
508  subscriptOid = F_RAW_ARRAY_SUBSCRIPT_HANDLER;
509  else
510  ereport(ERROR,
511  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
512  errmsg("element type cannot be specified without a subscripting function")));
513  }
514 
515  /*
516  * Check permissions on functions. We choose to require the creator/owner
517  * of a type to also own the underlying functions. Since creating a type
518  * is tantamount to granting public execute access on the functions, the
519  * minimum sane check would be for execute-with-grant-option. But we
520  * don't have a way to make the type go away if the grant option is
521  * revoked, so ownership seems better.
522  *
523  * XXX For now, this is all unnecessary given the superuser check above.
524  * If we ever relax that, these calls likely should be moved into
525  * findTypeInputFunction et al, where they could be shared by AlterType.
526  */
527 #ifdef NOT_USED
528  if (inputOid && !pg_proc_ownercheck(inputOid, GetUserId()))
530  NameListToString(inputName));
531  if (outputOid && !pg_proc_ownercheck(outputOid, GetUserId()))
533  NameListToString(outputName));
534  if (receiveOid && !pg_proc_ownercheck(receiveOid, GetUserId()))
536  NameListToString(receiveName));
537  if (sendOid && !pg_proc_ownercheck(sendOid, GetUserId()))
539  NameListToString(sendName));
540  if (typmodinOid && !pg_proc_ownercheck(typmodinOid, GetUserId()))
542  NameListToString(typmodinName));
543  if (typmodoutOid && !pg_proc_ownercheck(typmodoutOid, GetUserId()))
545  NameListToString(typmodoutName));
546  if (analyzeOid && !pg_proc_ownercheck(analyzeOid, GetUserId()))
548  NameListToString(analyzeName));
549  if (subscriptOid && !pg_proc_ownercheck(subscriptOid, GetUserId()))
551  NameListToString(subscriptName));
552 #endif
553 
554  /*
555  * OK, we're done checking, time to make the type. We must assign the
556  * array type OID ahead of calling TypeCreate, since the base type and
557  * array type each refer to the other.
558  */
559  array_oid = AssignTypeArrayOid();
560 
561  /*
562  * now have TypeCreate do all the real work.
563  *
564  * Note: the pg_type.oid is stored in user tables as array elements (base
565  * types) in ArrayType and in composite types in DatumTupleFields. This
566  * oid must be preserved by binary upgrades.
567  */
568  address =
569  TypeCreate(InvalidOid, /* no predetermined type OID */
570  typeName, /* type name */
571  typeNamespace, /* namespace */
572  InvalidOid, /* relation oid (n/a here) */
573  0, /* relation kind (ditto) */
574  GetUserId(), /* owner's ID */
575  internalLength, /* internal size */
576  TYPTYPE_BASE, /* type-type (base type) */
577  category, /* type-category */
578  preferred, /* is it a preferred type? */
579  delimiter, /* array element delimiter */
580  inputOid, /* input procedure */
581  outputOid, /* output procedure */
582  receiveOid, /* receive procedure */
583  sendOid, /* send procedure */
584  typmodinOid, /* typmodin procedure */
585  typmodoutOid, /* typmodout procedure */
586  analyzeOid, /* analyze procedure */
587  subscriptOid, /* subscript procedure */
588  elemType, /* element type ID */
589  false, /* this is not an implicit array type */
590  array_oid, /* array type we are about to create */
591  InvalidOid, /* base type ID (only for domains) */
592  defaultValue, /* default type value */
593  NULL, /* no binary form available */
594  byValue, /* passed by value */
595  alignment, /* required alignment */
596  storage, /* TOAST strategy */
597  -1, /* typMod (Domains only) */
598  0, /* Array Dimensions of typbasetype */
599  false, /* Type NOT NULL */
600  collation); /* type's collation */
601  Assert(typoid == address.objectId);
602 
603  /*
604  * Create the array type that goes with it.
605  */
606  array_type = makeArrayTypeName(typeName, typeNamespace);
607 
608  /* alignment must be TYPALIGN_INT or TYPALIGN_DOUBLE for arrays */
609  alignment = (alignment == TYPALIGN_DOUBLE) ? TYPALIGN_DOUBLE : TYPALIGN_INT;
610 
611  TypeCreate(array_oid, /* force assignment of this type OID */
612  array_type, /* type name */
613  typeNamespace, /* namespace */
614  InvalidOid, /* relation oid (n/a here) */
615  0, /* relation kind (ditto) */
616  GetUserId(), /* owner's ID */
617  -1, /* internal size (always varlena) */
618  TYPTYPE_BASE, /* type-type (base type) */
619  TYPCATEGORY_ARRAY, /* type-category (array) */
620  false, /* array types are never preferred */
621  delimiter, /* array element delimiter */
622  F_ARRAY_IN, /* input procedure */
623  F_ARRAY_OUT, /* output procedure */
624  F_ARRAY_RECV, /* receive procedure */
625  F_ARRAY_SEND, /* send procedure */
626  typmodinOid, /* typmodin procedure */
627  typmodoutOid, /* typmodout procedure */
628  F_ARRAY_TYPANALYZE, /* analyze procedure */
629  F_ARRAY_SUBSCRIPT_HANDLER, /* array subscript procedure */
630  typoid, /* element type ID */
631  true, /* yes this is an array type */
632  InvalidOid, /* no further array type */
633  InvalidOid, /* base type ID */
634  NULL, /* never a default type value */
635  NULL, /* binary default isn't sent either */
636  false, /* never passed by value */
637  alignment, /* see above */
638  TYPSTORAGE_EXTENDED, /* ARRAY is always toastable */
639  -1, /* typMod (Domains only) */
640  0, /* Array dimensions of typbasetype */
641  false, /* Type NOT NULL */
642  collation); /* type's collation */
643 
644  pfree(array_type);
645 
646  return address;
647 }
signed short int16
Definition: c.h:428
static Oid findTypeSubscriptingFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2227
#define NIL
Definition: pg_list.h:65
char * makeArrayTypeName(const char *typeName, Oid typeNamespace)
Definition: pg_type.c:816
int errhint(const char *fmt,...)
Definition: elog.c:1156
static Oid findTypeOutputFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2008
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
Type typenameType(ParseState *pstate, const TypeName *typeName, int32 *typmod_p)
Definition: parse_type.c:264
static Oid findTypeReceiveFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2043
Oid GetUserId(void)
Definition: miscinit.c:495
Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p)
Definition: namespace.c:3040
static Oid findTypeTypmodinFunction(List *procname)
Definition: typecmds.c:2132
bool get_typisdefined(Oid typid)
Definition: lsyscache.c:2120
int errcode(int sqlerrcode)
Definition: elog.c:698
bool superuser(void)
Definition: superuser.c:46
char get_typtype(Oid typid)
Definition: lsyscache.c:2576
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
int pg_strcasecmp(const char *s1, const char *s2)
Definition: pgstrcasecmp.c:36
unsigned int Oid
Definition: postgres_ext.h:31
ObjectAddress TypeShellMake(const char *typeName, Oid typeNamespace, Oid ownerId)
Definition: pg_type.c:60
#define OidIsValid(objectId)
Definition: c.h:710
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4756
int defGetTypeLength(DefElem *def)
Definition: define.c:278
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
bool defGetBoolean(DefElem *def)
Definition: define.c:106
TypeName * defGetTypeName(DefElem *def)
Definition: define.c:250
void pfree(void *pointer)
Definition: mcxt.c:1169
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define ACL_CREATE
Definition: parsenodes.h:92
char * defGetString(DefElem *def)
Definition: define.c:49
static Oid findTypeAnalyzeFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2200
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
int location
Definition: parsenodes.h:761
#define CStringGetDatum(X)
Definition: postgres.h:622
static Oid findTypeTypmodoutFunction(List *procname)
Definition: typecmds.c:2166
#define WARNING
Definition: elog.h:40
char * NameListToString(List *names)
Definition: namespace.c:3147
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
#define InvalidOid
Definition: postgres_ext.h:36
#define ereport(elevel,...)
Definition: elog.h:157
void errorConflictingDefElem(DefElem *defel, ParseState *pstate)
Definition: define.c:350
#define DEFAULT_TYPDELIM
Definition: typecmds.h:22
#define Assert(condition)
Definition: c.h:804
#define lfirst(lc)
Definition: pg_list.h:169
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:195
List * defGetQualifiedName(DefElem *def)
Definition: define.c:218
ObjectAddress TypeCreate(Oid newTypeOid, const char *typeName, Oid typeNamespace, Oid relationOid, char relationKind, Oid ownerId, int16 internalSize, char typeType, char typeCategory, bool typePreferred, char typDelim, Oid inputProcedure, Oid outputProcedure, Oid receiveProcedure, Oid sendProcedure, Oid typmodinProcedure, Oid typmodoutProcedure, Oid analyzeProcedure, Oid subscriptProcedure, Oid elementType, bool isImplicitArray, Oid arrayType, Oid baseType, const char *defaultTypeValue, char *defaultTypeBin, bool passedByValue, char alignment, char storage, int32 typeMod, int32 typNDims, bool typeNotNull, Oid typeCollation)
Definition: pg_type.c:198
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
int parser_errposition(ParseState *pstate, int location)
Definition: parse_node.c:111
Oid AssignTypeArrayOid(void)
Definition: typecmds.c:2402
static Oid findTypeInputFunction(List *procname, Oid typeOid)
Definition: typecmds.c:1945
int16 get_typlen(Oid typid)
Definition: lsyscache.c:2144
int errmsg(const char *fmt,...)
Definition: elog.c:909
char * defname
Definition: parsenodes.h:758
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32
Definition: pg_list.h:50
bool pg_proc_ownercheck(Oid proc_oid, Oid roleid)
Definition: aclchk.c:4896
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291
static Oid findTypeSendFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2097

◆ RemoveTypeById()

void RemoveTypeById ( Oid  typeOid)

Definition at line 653 of file typecmds.c.

References CatalogTupleDelete(), elog, EnumValuesDelete(), ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, RangeDelete(), ReleaseSysCache(), RowExclusiveLock, SearchSysCache1(), HeapTupleData::t_self, table_close(), table_open(), and TYPEOID.

Referenced by doDeletion().

654 {
655  Relation relation;
656  HeapTuple tup;
657 
658  relation = table_open(TypeRelationId, RowExclusiveLock);
659 
660  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typeOid));
661  if (!HeapTupleIsValid(tup))
662  elog(ERROR, "cache lookup failed for type %u", typeOid);
663 
664  CatalogTupleDelete(relation, &tup->t_self);
665 
666  /*
667  * If it is an enum, delete the pg_enum entries too; we don't bother with
668  * making dependency entries for those, so it has to be done "by hand"
669  * here.
670  */
671  if (((Form_pg_type) GETSTRUCT(tup))->typtype == TYPTYPE_ENUM)
672  EnumValuesDelete(typeOid);
673 
674  /*
675  * If it is a range type, delete the pg_range entry too; we don't bother
676  * with making a dependency entry for that, so it has to be done "by hand"
677  * here.
678  */
679  if (((Form_pg_type) GETSTRUCT(tup))->typtype == TYPTYPE_RANGE)
680  RangeDelete(typeOid);
681 
682  ReleaseSysCache(tup);
683 
684  table_close(relation, RowExclusiveLock);
685 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
void CatalogTupleDelete(Relation heapRel, ItemPointer tid)
Definition: indexing.c:350
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
ItemPointerData t_self
Definition: htup.h:65
#define RowExclusiveLock
Definition: lockdefs.h:38
void EnumValuesDelete(Oid enumTypeOid)
Definition: pg_enum.c:157
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1127
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1175
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define elog(elevel,...)
Definition: elog.h:232
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
void RangeDelete(Oid rangeTypeOid)
Definition: pg_range.c:113

◆ RenameType()

ObjectAddress RenameType ( RenameStmt stmt)

Definition at line 3601 of file typecmds.c.

References aclcheck_error_type(), ACLCHECK_NOT_OWNER, castNode, elog, ereport, errcode(), errhint(), errmsg(), ERROR, format_type_be(), get_rel_relkind(), GETSTRUCT, GetUserId(), HeapTupleIsValid, makeTypeNameFromNameList(), RenameStmt::newname, RenameStmt::object, OBJECT_DOMAIN, ObjectAddressSet, ObjectIdGetDatum, pg_type_ownercheck(), RenameRelationInternal(), RenameStmt::renameType, RenameTypeInternal(), RowExclusiveLock, SearchSysCacheCopy1, table_close(), table_open(), typenameTypeId(), and TYPEOID.

Referenced by ExecRenameStmt().

3602 {
3603  List *names = castNode(List, stmt->object);
3604  const char *newTypeName = stmt->newname;
3605  TypeName *typename;
3606  Oid typeOid;
3607  Relation rel;
3608  HeapTuple tup;
3609  Form_pg_type typTup;
3610  ObjectAddress address;
3611 
3612  /* Make a TypeName so we can use standard type lookup machinery */
3613  typename = makeTypeNameFromNameList(names);
3614  typeOid = typenameTypeId(NULL, typename);
3615 
3616  /* Look up the type in the type table */
3617  rel = table_open(TypeRelationId, RowExclusiveLock);
3618 
3619  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3620  if (!HeapTupleIsValid(tup))
3621  elog(ERROR, "cache lookup failed for type %u", typeOid);
3622  typTup = (Form_pg_type) GETSTRUCT(tup);
3623 
3624  /* check permissions on type */
3625  if (!pg_type_ownercheck(typeOid, GetUserId()))
3627 
3628  /* ALTER DOMAIN used on a non-domain? */
3629  if (stmt->renameType == OBJECT_DOMAIN && typTup->typtype != TYPTYPE_DOMAIN)
3630  ereport(ERROR,
3631  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3632  errmsg("%s is not a domain",
3633  format_type_be(typeOid))));
3634 
3635  /*
3636  * If it's a composite type, we need to check that it really is a
3637  * free-standing composite type, and not a table's rowtype. We want people
3638  * to use ALTER TABLE not ALTER TYPE for that case.
3639  */
3640  if (typTup->typtype == TYPTYPE_COMPOSITE &&
3641  get_rel_relkind(typTup->typrelid) != RELKIND_COMPOSITE_TYPE)
3642  ereport(ERROR,
3643  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3644  errmsg("%s is a table's row type",
3645  format_type_be(typeOid)),
3646  errhint("Use ALTER TABLE instead.")));
3647 
3648  /* don't allow direct alteration of array types, either */
3649  if (IsTrueArrayType(typTup))
3650  ereport(ERROR,
3651  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3652  errmsg("cannot alter array type %s",
3653  format_type_be(typeOid)),
3654  errhint("You can alter type %s, which will alter the array type as well.",
3655  format_type_be(typTup->typelem))));
3656 
3657  /*
3658  * If type is composite we need to rename associated pg_class entry too.
3659  * RenameRelationInternal will call RenameTypeInternal automatically.
3660  */
3661  if (typTup->typtype == TYPTYPE_COMPOSITE)
3662  RenameRelationInternal(typTup->typrelid, newTypeName, false, false);
3663  else
3664  RenameTypeInternal(typeOid, newTypeName,
3665  typTup->typnamespace);
3666 
3667  ObjectAddressSet(address, TypeRelationId, typeOid);
3668  /* Clean up */
3670 
3671  return address;
3672 }
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
int errhint(const char *fmt,...)
Definition: elog.c:1156
#define GETSTRUCT(TUP)
Definition: htup_details.h:654
ObjectType renameType
Definition: parsenodes.h:3055
Oid GetUserId(void)
Definition: miscinit.c:495
#define castNode(_type_, nodeptr)
Definition: nodes.h:605
char get_rel_relkind(Oid relid)
Definition: lsyscache.c:1974
int errcode(int sqlerrcode)
Definition: elog.c:698
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
char * newname
Definition: parsenodes.h:3061
unsigned int Oid
Definition: postgres_ext.h:31
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4844
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3621
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define ERROR
Definition: elog.h:46
#define RowExclusiveLock
Definition: lockdefs.h:38
Node * object
Definition: parsenodes.h:3058
void RenameTypeInternal(Oid typeOid, const char *newTypeName, Oid typeNamespace)
Definition: pg_type.c:741
#define ereport(elevel,...)
Definition: elog.h:157
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:175
int errmsg(const char *fmt,...)
Definition: elog.c:909
#define elog(elevel,...)
Definition: elog.h:232
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
void RenameRelationInternal(Oid myrelid, const char *newrelname, bool is_internal, bool is_index)
Definition: tablecmds.c:3776
Definition: pg_list.h:50
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291