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   ','

Definition at line 22 of file typecmds.h.

Function Documentation

◆ AlterDomainAddConstraint()

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

Definition at line 2918 of file typecmds.c.

2920 {
2921  TypeName *typename;
2922  Oid domainoid;
2923  Relation typrel;
2924  HeapTuple tup;
2925  Form_pg_type typTup;
2926  Constraint *constr;
2927  char *ccbin;
2928  ObjectAddress address;
2929 
2930  /* Make a TypeName so we can use standard type lookup machinery */
2931  typename = makeTypeNameFromNameList(names);
2932  domainoid = typenameTypeId(NULL, typename);
2933 
2934  /* Look up the domain in the type table */
2935  typrel = table_open(TypeRelationId, RowExclusiveLock);
2936 
2937  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2938  if (!HeapTupleIsValid(tup))
2939  elog(ERROR, "cache lookup failed for type %u", domainoid);
2940  typTup = (Form_pg_type) GETSTRUCT(tup);
2941 
2942  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2943  checkDomainOwner(tup);
2944 
2945  if (!IsA(newConstraint, Constraint))
2946  elog(ERROR, "unrecognized node type: %d",
2947  (int) nodeTag(newConstraint));
2948 
2949  constr = (Constraint *) newConstraint;
2950 
2951  switch (constr->contype)
2952  {
2953  case CONSTR_CHECK:
2954  /* processed below */
2955  break;
2956 
2957  case CONSTR_UNIQUE:
2958  ereport(ERROR,
2959  (errcode(ERRCODE_SYNTAX_ERROR),
2960  errmsg("unique constraints not possible for domains")));
2961  break;
2962 
2963  case CONSTR_PRIMARY:
2964  ereport(ERROR,
2965  (errcode(ERRCODE_SYNTAX_ERROR),
2966  errmsg("primary key constraints not possible for domains")));
2967  break;
2968 
2969  case CONSTR_EXCLUSION:
2970  ereport(ERROR,
2971  (errcode(ERRCODE_SYNTAX_ERROR),
2972  errmsg("exclusion constraints not possible for domains")));
2973  break;
2974 
2975  case CONSTR_FOREIGN:
2976  ereport(ERROR,
2977  (errcode(ERRCODE_SYNTAX_ERROR),
2978  errmsg("foreign key constraints not possible for domains")));
2979  break;
2980 
2983  case CONSTR_ATTR_DEFERRED:
2984  case CONSTR_ATTR_IMMEDIATE:
2985  ereport(ERROR,
2986  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
2987  errmsg("specifying constraint deferrability not supported for domains")));
2988  break;
2989 
2990  default:
2991  elog(ERROR, "unrecognized constraint subtype: %d",
2992  (int) constr->contype);
2993  break;
2994  }
2995 
2996  /*
2997  * Since all other constraint types throw errors, this must be a check
2998  * constraint. First, process the constraint expression and add an entry
2999  * to pg_constraint.
3000  */
3001 
3002  ccbin = domainAddConstraint(domainoid, typTup->typnamespace,
3003  typTup->typbasetype, typTup->typtypmod,
3004  constr, NameStr(typTup->typname), constrAddr);
3005 
3006  /*
3007  * If requested to validate the constraint, test all values stored in the
3008  * attributes based on the domain the constraint is being added to.
3009  */
3010  if (!constr->skip_validation)
3011  validateDomainConstraint(domainoid, ccbin);
3012 
3013  /*
3014  * We must send out an sinval message for the domain, to ensure that any
3015  * dependent plans get rebuilt. Since this command doesn't change the
3016  * domain's pg_type row, that won't happen automatically; do it manually.
3017  */
3018  CacheInvalidateHeapTuple(typrel, tup, NULL);
3019 
3020  ObjectAddressSet(address, TypeRelationId, domainoid);
3021 
3022  /* Clean up */
3023  table_close(typrel, RowExclusiveLock);
3024 
3025  return address;
3026 }
#define NameStr(name)
Definition: c.h:681
int errcode(int sqlerrcode)
Definition: elog.c:693
int errmsg(const char *fmt,...)
Definition: elog.c:904
#define ERROR
Definition: elog.h:33
#define elog(elevel,...)
Definition: elog.h:218
#define ereport(elevel,...)
Definition: elog.h:143
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define GETSTRUCT(TUP)
Definition: htup_details.h:649
void CacheInvalidateHeapTuple(Relation relation, HeapTuple tuple, HeapTuple newtuple)
Definition: inval.c:1206
#define RowExclusiveLock
Definition: lockdefs.h:38
TypeName * makeTypeNameFromNameList(List *names)
Definition: makefuncs.c:456
#define IsA(nodeptr, _type_)
Definition: nodes.h:589
#define nodeTag(nodeptr)
Definition: nodes.h:543
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
Oid typenameTypeId(ParseState *pstate, const TypeName *typeName)
Definition: parse_type.c:291
@ CONSTR_FOREIGN
Definition: parsenodes.h:2242
@ CONSTR_ATTR_DEFERRED
Definition: parsenodes.h:2245
@ CONSTR_UNIQUE
Definition: parsenodes.h:2240
@ CONSTR_ATTR_NOT_DEFERRABLE
Definition: parsenodes.h:2244
@ CONSTR_ATTR_IMMEDIATE
Definition: parsenodes.h:2246
@ CONSTR_CHECK
Definition: parsenodes.h:2238
@ CONSTR_EXCLUSION
Definition: parsenodes.h:2241
@ CONSTR_ATTR_DEFERRABLE
Definition: parsenodes.h:2243
@ CONSTR_PRIMARY
Definition: parsenodes.h:2239
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
unsigned int Oid
Definition: postgres_ext.h:31
ConstrType contype
Definition: parsenodes.h:2264
bool skip_validation
Definition: parsenodes.h:2310
#define SearchSysCacheCopy1(cacheId, key1)
Definition: syscache.h:177
@ TYPEOID
Definition: syscache.h:112
void table_close(Relation relation, LOCKMODE lockmode)
Definition: table.c:167
Relation table_open(Oid relationId, LOCKMODE lockmode)
Definition: table.c:39
static void validateDomainConstraint(Oid domainoid, char *ccbin)
Definition: typecmds.c:3136
static char * domainAddConstraint(Oid domainOid, Oid domainNamespace, Oid baseTypeOid, int typMod, Constraint *constr, const char *domainName, ObjectAddress *constrAddr)
Definition: typecmds.c:3445
void checkDomainOwner(HeapTuple tup)
Definition: typecmds.c:3425

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().

◆ AlterDomainDefault()

ObjectAddress AlterDomainDefault ( List names,
Node defaultRaw 
)

Definition at line 2567 of file typecmds.c.

2568 {
2569  TypeName *typename;
2570  Oid domainoid;
2571  HeapTuple tup;
2572  ParseState *pstate;
2573  Relation rel;
2574  char *defaultValue;
2575  Node *defaultExpr = NULL; /* NULL if no default specified */
2576  Datum new_record[Natts_pg_type];
2577  bool new_record_nulls[Natts_pg_type];
2578  bool new_record_repl[Natts_pg_type];
2579  HeapTuple newtuple;
2580  Form_pg_type typTup;
2581  ObjectAddress address;
2582 
2583  /* Make a TypeName so we can use standard type lookup machinery */
2584  typename = makeTypeNameFromNameList(names);
2585  domainoid = typenameTypeId(NULL, typename);
2586 
2587  /* Look up the domain in the type table */
2588  rel = table_open(TypeRelationId, RowExclusiveLock);
2589 
2590  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2591  if (!HeapTupleIsValid(tup))
2592  elog(ERROR, "cache lookup failed for type %u", domainoid);
2593  typTup = (Form_pg_type) GETSTRUCT(tup);
2594 
2595  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2596  checkDomainOwner(tup);
2597 
2598  /* Setup new tuple */
2599  MemSet(new_record, (Datum) 0, sizeof(new_record));
2600  MemSet(new_record_nulls, false, sizeof(new_record_nulls));
2601  MemSet(new_record_repl, false, sizeof(new_record_repl));
2602 
2603  /* Store the new default into the tuple */
2604  if (defaultRaw)
2605  {
2606  /* Create a dummy ParseState for transformExpr */
2607  pstate = make_parsestate(NULL);
2608 
2609  /*
2610  * Cook the colDef->raw_expr into an expression. Note: Name is
2611  * strictly for error message
2612  */
2613  defaultExpr = cookDefault(pstate, defaultRaw,
2614  typTup->typbasetype,
2615  typTup->typtypmod,
2616  NameStr(typTup->typname),
2617  0);
2618 
2619  /*
2620  * If the expression is just a NULL constant, we treat the command
2621  * like ALTER ... DROP DEFAULT. (But see note for same test in
2622  * DefineDomain.)
2623  */
2624  if (defaultExpr == NULL ||
2625  (IsA(defaultExpr, Const) && ((Const *) defaultExpr)->constisnull))
2626  {
2627  /* Default is NULL, drop it */
2628  defaultExpr = NULL;
2629  new_record_nulls[Anum_pg_type_typdefaultbin - 1] = true;
2630  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2631  new_record_nulls[Anum_pg_type_typdefault - 1] = true;
2632  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2633  }
2634  else
2635  {
2636  /*
2637  * Expression must be stored as a nodeToString result, but we also
2638  * require a valid textual representation (mainly to make life
2639  * easier for pg_dump).
2640  */
2641  defaultValue = deparse_expression(defaultExpr,
2642  NIL, false, false);
2643 
2644  /*
2645  * Form an updated tuple with the new default and write it back.
2646  */
2647  new_record[Anum_pg_type_typdefaultbin - 1] = CStringGetTextDatum(nodeToString(defaultExpr));
2648 
2649  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2650  new_record[Anum_pg_type_typdefault - 1] = CStringGetTextDatum(defaultValue);
2651  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2652  }
2653  }
2654  else
2655  {
2656  /* ALTER ... DROP DEFAULT */
2657  new_record_nulls[Anum_pg_type_typdefaultbin - 1] = true;
2658  new_record_repl[Anum_pg_type_typdefaultbin - 1] = true;
2659  new_record_nulls[Anum_pg_type_typdefault - 1] = true;
2660  new_record_repl[Anum_pg_type_typdefault - 1] = true;
2661  }
2662 
2663  newtuple = heap_modify_tuple(tup, RelationGetDescr(rel),
2664  new_record, new_record_nulls,
2665  new_record_repl);
2666 
2667  CatalogTupleUpdate(rel, &tup->t_self, newtuple);
2668 
2669  /* Rebuild dependencies */
2670  GenerateTypeDependencies(newtuple,
2671  rel,
2672  defaultExpr,
2673  NULL, /* don't have typacl handy */
2674  0, /* relation kind is n/a */
2675  false, /* a domain isn't an implicit array */
2676  false, /* nor is it any kind of dependent type */
2677  false, /* don't touch extension membership */
2678  true); /* We do need to rebuild dependencies */
2679 
2680  InvokeObjectPostAlterHook(TypeRelationId, domainoid, 0);
2681 
2682  ObjectAddressSet(address, TypeRelationId, domainoid);
2683 
2684  /* Clean up */
2686  heap_freetuple(newtuple);
2687 
2688  return address;
2689 }
#define CStringGetTextDatum(s)
Definition: builtins.h:85
#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:3070
HeapTuple heap_modify_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *replValues, bool *replIsnull, bool *doReplace)
Definition: heaptuple.c:1113
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1338
void CatalogTupleUpdate(Relation heapRel, ItemPointer otid, HeapTuple tup)
Definition: indexing.c:301
#define InvokeObjectPostAlterHook(classId, objectId, subId)
Definition: objectaccess.h:175
char * nodeToString(const void *obj)
Definition: outfuncs.c:4558
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:44
#define NIL
Definition: pg_list.h:65
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 RelationGetDescr(relation)
Definition: rel.h:504
char * deparse_expression(Node *expr, List *dpcontext, bool forceprefix, bool showimplicit)
Definition: ruleutils.c:3555
ItemPointerData t_self
Definition: htup.h:65
Definition: nodes.h:539

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().

◆ AlterDomainDropConstraint()

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

Definition at line 2819 of file typecmds.c.

2821 {
2822  TypeName *typename;
2823  Oid domainoid;
2824  HeapTuple tup;
2825  Relation rel;
2826  Relation conrel;
2827  SysScanDesc conscan;
2828  ScanKeyData skey[3];
2829  HeapTuple contup;
2830  bool found = false;
2831  ObjectAddress address;
2832 
2833  /* Make a TypeName so we can use standard type lookup machinery */
2834  typename = makeTypeNameFromNameList(names);
2835  domainoid = typenameTypeId(NULL, typename);
2836 
2837  /* Look up the domain in the type table */
2838  rel = table_open(TypeRelationId, RowExclusiveLock);
2839 
2840  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2841  if (!HeapTupleIsValid(tup))
2842  elog(ERROR, "cache lookup failed for type %u", domainoid);
2843 
2844  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2845  checkDomainOwner(tup);
2846 
2847  /* Grab an appropriate lock on the pg_constraint relation */
2848  conrel = table_open(ConstraintRelationId, RowExclusiveLock);
2849 
2850  /* Find and remove the target constraint */
2851  ScanKeyInit(&skey[0],
2852  Anum_pg_constraint_conrelid,
2853  BTEqualStrategyNumber, F_OIDEQ,
2855  ScanKeyInit(&skey[1],
2856  Anum_pg_constraint_contypid,
2857  BTEqualStrategyNumber, F_OIDEQ,
2858  ObjectIdGetDatum(domainoid));
2859  ScanKeyInit(&skey[2],
2860  Anum_pg_constraint_conname,
2861  BTEqualStrategyNumber, F_NAMEEQ,
2862  CStringGetDatum(constrName));
2863 
2864  conscan = systable_beginscan(conrel, ConstraintRelidTypidNameIndexId, true,
2865  NULL, 3, skey);
2866 
2867  /* There can be at most one matching row */
2868  if ((contup = systable_getnext(conscan)) != NULL)
2869  {
2870  ObjectAddress conobj;
2871 
2872  conobj.classId = ConstraintRelationId;
2873  conobj.objectId = ((Form_pg_constraint) GETSTRUCT(contup))->oid;
2874  conobj.objectSubId = 0;
2875 
2876  performDeletion(&conobj, behavior, 0);
2877  found = true;
2878  }
2879 
2880  /* Clean up after the scan */
2881  systable_endscan(conscan);
2882  table_close(conrel, RowExclusiveLock);
2883 
2884  if (!found)
2885  {
2886  if (!missing_ok)
2887  ereport(ERROR,
2888  (errcode(ERRCODE_UNDEFINED_OBJECT),
2889  errmsg("constraint \"%s\" of domain \"%s\" does not exist",
2890  constrName, TypeNameToString(typename))));
2891  else
2892  ereport(NOTICE,
2893  (errmsg("constraint \"%s\" of domain \"%s\" does not exist, skipping",
2894  constrName, TypeNameToString(typename))));
2895  }
2896 
2897  /*
2898  * We must send out an sinval message for the domain, to ensure that any
2899  * dependent plans get rebuilt. Since this command doesn't change the
2900  * domain's pg_type row, that won't happen automatically; do it manually.
2901  */
2902  CacheInvalidateHeapTuple(rel, tup, NULL);
2903 
2904  ObjectAddressSet(address, TypeRelationId, domainoid);
2905 
2906  /* Clean up */
2908 
2909  return address;
2910 }
void performDeletion(const ObjectAddress *object, DropBehavior behavior, int flags)
Definition: dependency.c:315
#define NOTICE
Definition: elog.h:29
void systable_endscan(SysScanDesc sysscan)
Definition: genam.c:598
HeapTuple systable_getnext(SysScanDesc sysscan)
Definition: genam.c:505
SysScanDesc systable_beginscan(Relation heapRelation, Oid indexId, bool indexOK, Snapshot snapshot, int nkeys, ScanKey key)
Definition: genam.c:386
char * TypeNameToString(const TypeName *typeName)
Definition: parse_type.c:480
FormData_pg_constraint * Form_pg_constraint
#define CStringGetDatum(X)
Definition: postgres.h:622
#define InvalidOid
Definition: postgres_ext.h:36
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
#define BTEqualStrategyNumber
Definition: stratnum.h:31

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().

◆ AlterDomainNotNull()

ObjectAddress AlterDomainNotNull ( List names,
bool  notNull 
)

Definition at line 2699 of file typecmds.c.

2700 {
2701  TypeName *typename;
2702  Oid domainoid;
2703  Relation typrel;
2704  HeapTuple tup;
2705  Form_pg_type typTup;
2707 
2708  /* Make a TypeName so we can use standard type lookup machinery */
2709  typename = makeTypeNameFromNameList(names);
2710  domainoid = typenameTypeId(NULL, typename);
2711 
2712  /* Look up the domain in the type table */
2713  typrel = table_open(TypeRelationId, RowExclusiveLock);
2714 
2715  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(domainoid));
2716  if (!HeapTupleIsValid(tup))
2717  elog(ERROR, "cache lookup failed for type %u", domainoid);
2718  typTup = (Form_pg_type) GETSTRUCT(tup);
2719 
2720  /* Check it's a domain and check user has permission for ALTER DOMAIN */
2721  checkDomainOwner(tup);
2722 
2723  /* Is the domain already set to the desired constraint? */
2724  if (typTup->typnotnull == notNull)
2725  {
2726  table_close(typrel, RowExclusiveLock);
2727  return address;
2728  }
2729 
2730  /* Adding a NOT NULL constraint requires checking existing columns */
2731  if (notNull)
2732  {
2733  List *rels;
2734  ListCell *rt;
2735 
2736  /* Fetch relation list with attributes based on this domain */
2737  /* ShareLock is sufficient to prevent concurrent data changes */
2738 
2739  rels = get_rels_with_domain(domainoid, ShareLock);
2740 
2741  foreach(rt, rels)
2742  {
2743  RelToCheck *rtc = (RelToCheck *) lfirst(rt);
2744  Relation testrel = rtc->rel;
2745  TupleDesc tupdesc = RelationGetDescr(testrel);
2746  TupleTableSlot *slot;
2747  TableScanDesc scan;
2748  Snapshot snapshot;
2749 
2750  /* Scan all tuples in this relation */
2751  snapshot = RegisterSnapshot(GetLatestSnapshot());
2752  scan = table_beginscan(testrel, snapshot, 0, NULL);
2753  slot = table_slot_create(testrel, NULL);
2754  while (table_scan_getnextslot(scan, ForwardScanDirection, slot))
2755  {
2756  int i;
2757 
2758  /* Test attributes that are of the domain */
2759  for (i = 0; i < rtc->natts; i++)
2760  {
2761  int attnum = rtc->atts[i];
2762  Form_pg_attribute attr = TupleDescAttr(tupdesc, attnum - 1);
2763 
2764  if (slot_attisnull(slot, attnum))
2765  {
2766  /*
2767  * In principle the auxiliary information for this
2768  * error should be errdatatype(), but errtablecol()
2769  * seems considerably more useful in practice. Since
2770  * this code only executes in an ALTER DOMAIN command,
2771  * the client should already know which domain is in
2772  * question.
2773  */
2774  ereport(ERROR,
2775  (errcode(ERRCODE_NOT_NULL_VIOLATION),
2776  errmsg("column \"%s\" of table \"%s\" contains null values",
2777  NameStr(attr->attname),
2778  RelationGetRelationName(testrel)),
2779  errtablecol(testrel, attnum)));
2780  }
2781  }
2782  }
2784  table_endscan(scan);
2785  UnregisterSnapshot(snapshot);
2786 
2787  /* Close each rel after processing, but keep lock */
2788  table_close(testrel, NoLock);
2789  }
2790  }
2791 
2792  /*
2793  * Okay to update pg_type row. We can scribble on typTup because it's a
2794  * copy.
2795  */
2796  typTup->typnotnull = notNull;
2797 
2798  CatalogTupleUpdate(typrel, &tup->t_self, tup);
2799 
2800  InvokeObjectPostAlterHook(TypeRelationId, domainoid, 0);
2801 
2802  ObjectAddressSet(address, TypeRelationId, domainoid);
2803 
2804  /* Clean up */
2805  heap_freetuple(tup);
2806  table_close(typrel, RowExclusiveLock);
2807 
2808  return address;
2809 }
void ExecDropSingleTupleTableSlot(TupleTableSlot *slot)
Definition: execTuples.c:1254
int i
Definition: isn.c:73
#define NoLock
Definition: lockdefs.h:34
#define ShareLock
Definition: lockdefs.h:40
const ObjectAddress InvalidObjectAddress
int16 attnum
Definition: pg_attribute.h:83
FormData_pg_attribute * Form_pg_attribute
Definition: pg_attribute.h:207
#define lfirst(lc)
Definition: pg_list.h:169
#define RelationGetRelationName(relation)
Definition: rel.h:512
int errtablecol(Relation rel, int attnum)
Definition: relcache.c:5743
@ ForwardScanDirection
Definition: sdir.h:26
Snapshot GetLatestSnapshot(void)
Definition: snapmgr.c:325
void UnregisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:867
Snapshot RegisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:825
Definition: pg_list.h:51
int * atts
Definition: typecmds.c:83
Relation rel
Definition: typecmds.c:81
int natts
Definition: typecmds.c:82
TupleTableSlot * table_slot_create(Relation relation, List **reglist)
Definition: tableam.c:91
static TableScanDesc table_beginscan(Relation rel, Snapshot snapshot, int nkeys, struct ScanKeyData *key)
Definition: tableam.h:885
static void table_endscan(TableScanDesc scan)
Definition: tableam.h:993
static bool table_scan_getnextslot(TableScanDesc sscan, ScanDirection direction, TupleTableSlot *slot)
Definition: tableam.h:1034
#define TupleDescAttr(tupdesc, i)
Definition: tupdesc.h:92
static bool slot_attisnull(TupleTableSlot *slot, int attnum)
Definition: tuptable.h:367
static List * get_rels_with_domain(Oid domainOid, LOCKMODE lockmode)
Definition: typecmds.c:3256

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().

◆ AlterDomainValidateConstraint()

ObjectAddress AlterDomainValidateConstraint ( List names,
const char *  constrName 
)

Definition at line 3034 of file typecmds.c.

3035 {
3036  TypeName *typename;
3037  Oid domainoid;
3038  Relation typrel;
3039  Relation conrel;
3040  HeapTuple tup;
3041  Form_pg_constraint con;
3042  Form_pg_constraint copy_con;
3043  char *conbin;
3044  SysScanDesc scan;
3045  Datum val;
3046  bool isnull;
3047  HeapTuple tuple;
3048  HeapTuple copyTuple;
3049  ScanKeyData skey[3];
3050  ObjectAddress address;
3051 
3052  /* Make a TypeName so we can use standard type lookup machinery */
3053  typename = makeTypeNameFromNameList(names);
3054  domainoid = typenameTypeId(NULL, typename);
3055 
3056  /* Look up the domain in the type table */
3057  typrel = table_open(TypeRelationId, AccessShareLock);
3058 
3059  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(domainoid));
3060  if (!HeapTupleIsValid(tup))
3061  elog(ERROR, "cache lookup failed for type %u", domainoid);
3062 
3063  /* Check it's a domain and check user has permission for ALTER DOMAIN */
3064  checkDomainOwner(tup);
3065 
3066  /*
3067  * Find and check the target constraint
3068  */
3069  conrel = table_open(ConstraintRelationId, RowExclusiveLock);
3070 
3071  ScanKeyInit(&skey[0],
3072  Anum_pg_constraint_conrelid,
3073  BTEqualStrategyNumber, F_OIDEQ,
3075  ScanKeyInit(&skey[1],
3076  Anum_pg_constraint_contypid,
3077  BTEqualStrategyNumber, F_OIDEQ,
3078  ObjectIdGetDatum(domainoid));
3079  ScanKeyInit(&skey[2],
3080  Anum_pg_constraint_conname,
3081  BTEqualStrategyNumber, F_NAMEEQ,
3082  CStringGetDatum(constrName));
3083 
3084  scan = systable_beginscan(conrel, ConstraintRelidTypidNameIndexId, true,
3085  NULL, 3, skey);
3086 
3087  /* There can be at most one matching row */
3088  if (!HeapTupleIsValid(tuple = systable_getnext(scan)))
3089  ereport(ERROR,
3090  (errcode(ERRCODE_UNDEFINED_OBJECT),
3091  errmsg("constraint \"%s\" of domain \"%s\" does not exist",
3092  constrName, TypeNameToString(typename))));
3093 
3094  con = (Form_pg_constraint) GETSTRUCT(tuple);
3095  if (con->contype != CONSTRAINT_CHECK)
3096  ereport(ERROR,
3097  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3098  errmsg("constraint \"%s\" of domain \"%s\" is not a check constraint",
3099  constrName, TypeNameToString(typename))));
3100 
3101  val = SysCacheGetAttr(CONSTROID, tuple,
3102  Anum_pg_constraint_conbin,
3103  &isnull);
3104  if (isnull)
3105  elog(ERROR, "null conbin for constraint %u",
3106  con->oid);
3107  conbin = TextDatumGetCString(val);
3108 
3109  validateDomainConstraint(domainoid, conbin);
3110 
3111  /*
3112  * Now update the catalog, while we have the door open.
3113  */
3114  copyTuple = heap_copytuple(tuple);
3115  copy_con = (Form_pg_constraint) GETSTRUCT(copyTuple);
3116  copy_con->convalidated = true;
3117  CatalogTupleUpdate(conrel, &copyTuple->t_self, copyTuple);
3118 
3119  InvokeObjectPostAlterHook(ConstraintRelationId, con->oid, 0);
3120 
3121  ObjectAddressSet(address, TypeRelationId, domainoid);
3122 
3123  heap_freetuple(copyTuple);
3124 
3125  systable_endscan(scan);
3126 
3127  table_close(typrel, AccessShareLock);
3128  table_close(conrel, RowExclusiveLock);
3129 
3130  ReleaseSysCache(tup);
3131 
3132  return address;
3133 }
#define TextDatumGetCString(d)
Definition: builtins.h:86
HeapTuple heap_copytuple(HeapTuple tuple)
Definition: heaptuple.c:680
long val
Definition: informix.c:664
#define AccessShareLock
Definition: lockdefs.h:36
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1198
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1150
Datum SysCacheGetAttr(int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull)
Definition: syscache.c:1411
@ CONSTROID
Definition: syscache.h:53

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().

◆ AlterEnum()

ObjectAddress AlterEnum ( AlterEnumStmt stmt)

Definition at line 1261 of file typecmds.c.

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 }
void RenameEnumLabel(Oid enumTypeOid, const char *oldVal, const char *newVal)
Definition: pg_enum.c:508
void AddEnumLabel(Oid enumTypeOid, const char *newVal, const char *neighbor, bool newValIsAfter, bool skipIfExists)
Definition: pg_enum.c:208
char * newValNeighbor
Definition: parsenodes.h:3249
List * typeName
Definition: parsenodes.h:3246
bool skipIfNewValExists
Definition: parsenodes.h:3251
bool newValIsAfter
Definition: parsenodes.h:3250
static void checkEnumOwner(HeapTuple tup)
Definition: typecmds.c:1309

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().

◆ AlterType()

ObjectAddress AlterType ( AlterTypeStmt stmt)

Definition at line 4100 of file typecmds.c.

4101 {
4102  ObjectAddress address;
4103  Relation catalog;
4104  TypeName *typename;
4105  HeapTuple tup;
4106  Oid typeOid;
4107  Form_pg_type typForm;
4108  bool requireSuper = false;
4109  AlterTypeRecurseParams atparams;
4110  ListCell *pl;
4111 
4112  catalog = table_open(TypeRelationId, RowExclusiveLock);
4113 
4114  /* Make a TypeName so we can use standard type lookup machinery */
4115  typename = makeTypeNameFromNameList(stmt->typeName);
4116  tup = typenameType(NULL, typename, NULL);
4117 
4118  typeOid = typeTypeId(tup);
4119  typForm = (Form_pg_type) GETSTRUCT(tup);
4120 
4121  /* Process options */
4122  memset(&atparams, 0, sizeof(atparams));
4123  foreach(pl, stmt->options)
4124  {
4125  DefElem *defel = (DefElem *) lfirst(pl);
4126 
4127  if (strcmp(defel->defname, "storage") == 0)
4128  {
4129  char *a = defGetString(defel);
4130 
4131  if (pg_strcasecmp(a, "plain") == 0)
4132  atparams.storage = TYPSTORAGE_PLAIN;
4133  else if (pg_strcasecmp(a, "external") == 0)
4134  atparams.storage = TYPSTORAGE_EXTERNAL;
4135  else if (pg_strcasecmp(a, "extended") == 0)
4136  atparams.storage = TYPSTORAGE_EXTENDED;
4137  else if (pg_strcasecmp(a, "main") == 0)
4138  atparams.storage = TYPSTORAGE_MAIN;
4139  else
4140  ereport(ERROR,
4141  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
4142  errmsg("storage \"%s\" not recognized", a)));
4143 
4144  /*
4145  * Validate the storage request. If the type isn't varlena, it
4146  * certainly doesn't support non-PLAIN storage.
4147  */
4148  if (atparams.storage != TYPSTORAGE_PLAIN && typForm->typlen != -1)
4149  ereport(ERROR,
4150  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
4151  errmsg("fixed-size types must have storage PLAIN")));
4152 
4153  /*
4154  * Switching from PLAIN to non-PLAIN is allowed, but it requires
4155  * superuser, since we can't validate that the type's C functions
4156  * will support it. Switching from non-PLAIN to PLAIN is
4157  * disallowed outright, because it's not practical to ensure that
4158  * no tables have toasted values of the type. Switching among
4159  * different non-PLAIN settings is OK, since it just constitutes a
4160  * change in the strategy requested for columns created in the
4161  * future.
4162  */
4163  if (atparams.storage != TYPSTORAGE_PLAIN &&
4164  typForm->typstorage == TYPSTORAGE_PLAIN)
4165  requireSuper = true;
4166  else if (atparams.storage == TYPSTORAGE_PLAIN &&
4167  typForm->typstorage != TYPSTORAGE_PLAIN)
4168  ereport(ERROR,
4169  (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
4170  errmsg("cannot change type's storage to PLAIN")));
4171 
4172  atparams.updateStorage = true;
4173  }
4174  else if (strcmp(defel->defname, "receive") == 0)
4175  {
4176  if (defel->arg != NULL)
4177  atparams.receiveOid =
4179  typeOid);
4180  else
4181  atparams.receiveOid = InvalidOid; /* NONE, remove function */
4182  atparams.updateReceive = true;
4183  /* Replacing an I/O function requires superuser. */
4184  requireSuper = true;
4185  }
4186  else if (strcmp(defel->defname, "send") == 0)
4187  {
4188  if (defel->arg != NULL)
4189  atparams.sendOid =
4191  typeOid);
4192  else
4193  atparams.sendOid = InvalidOid; /* NONE, remove function */
4194  atparams.updateSend = true;
4195  /* Replacing an I/O function requires superuser. */
4196  requireSuper = true;
4197  }
4198  else if (strcmp(defel->defname, "typmod_in") == 0)
4199  {
4200  if (defel->arg != NULL)
4201  atparams.typmodinOid =
4203  else
4204  atparams.typmodinOid = InvalidOid; /* NONE, remove function */
4205  atparams.updateTypmodin = true;
4206  /* Replacing an I/O function requires superuser. */
4207  requireSuper = true;
4208  }
4209  else if (strcmp(defel->defname, "typmod_out") == 0)
4210  {
4211  if (defel->arg != NULL)
4212  atparams.typmodoutOid =
4214  else
4215  atparams.typmodoutOid = InvalidOid; /* NONE, remove function */
4216  atparams.updateTypmodout = true;
4217  /* Replacing an I/O function requires superuser. */
4218  requireSuper = true;
4219  }
4220  else if (strcmp(defel->defname, "analyze") == 0)
4221  {
4222  if (defel->arg != NULL)
4223  atparams.analyzeOid =
4225  typeOid);
4226  else
4227  atparams.analyzeOid = InvalidOid; /* NONE, remove function */
4228  atparams.updateAnalyze = true;
4229  /* Replacing an analyze function requires superuser. */
4230  requireSuper = true;
4231  }
4232  else if (strcmp(defel->defname, "subscript") == 0)
4233  {
4234  if (defel->arg != NULL)
4235  atparams.subscriptOid =
4237  typeOid);
4238  else
4239  atparams.subscriptOid = InvalidOid; /* NONE, remove function */
4240  atparams.updateSubscript = true;
4241  /* Replacing a subscript function requires superuser. */
4242  requireSuper = true;
4243  }
4244 
4245  /*
4246  * The rest of the options that CREATE accepts cannot be changed.
4247  * Check for them so that we can give a meaningful error message.
4248  */
4249  else if (strcmp(defel->defname, "input") == 0 ||
4250  strcmp(defel->defname, "output") == 0 ||
4251  strcmp(defel->defname, "internallength") == 0 ||
4252  strcmp(defel->defname, "passedbyvalue") == 0 ||
4253  strcmp(defel->defname, "alignment") == 0 ||
4254  strcmp(defel->defname, "like") == 0 ||
4255  strcmp(defel->defname, "category") == 0 ||
4256  strcmp(defel->defname, "preferred") == 0 ||
4257  strcmp(defel->defname, "default") == 0 ||
4258  strcmp(defel->defname, "element") == 0 ||
4259  strcmp(defel->defname, "delimiter") == 0 ||
4260  strcmp(defel->defname, "collatable") == 0)
4261  ereport(ERROR,
4262  (errcode(ERRCODE_SYNTAX_ERROR),
4263  errmsg("type attribute \"%s\" cannot be changed",
4264  defel->defname)));
4265  else
4266  ereport(ERROR,
4267  (errcode(ERRCODE_SYNTAX_ERROR),
4268  errmsg("type attribute \"%s\" not recognized",
4269  defel->defname)));
4270  }
4271 
4272  /*
4273  * Permissions check. Require superuser if we decided the command
4274  * requires that, else must own the type.
4275  */
4276  if (requireSuper)
4277  {
4278  if (!superuser())
4279  ereport(ERROR,
4280  (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
4281  errmsg("must be superuser to alter a type")));
4282  }
4283  else
4284  {
4285  if (!pg_type_ownercheck(typeOid, GetUserId()))
4287  }
4288 
4289  /*
4290  * We disallow all forms of ALTER TYPE SET on types that aren't plain base
4291  * types. It would for example be highly unsafe, not to mention
4292  * pointless, to change the send/receive functions for a composite type.
4293  * Moreover, pg_dump has no support for changing these properties on
4294  * non-base types. We might weaken this someday, but not now.
4295  *
4296  * Note: if you weaken this enough to allow composite types, be sure to
4297  * adjust the GenerateTypeDependencies call in AlterTypeRecurse.
4298  */
4299  if (typForm->typtype != TYPTYPE_BASE)
4300  ereport(ERROR,
4301  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4302  errmsg("%s is not a base type",
4303  format_type_be(typeOid))));
4304 
4305  /*
4306  * For the same reasons, don't allow direct alteration of array types.
4307  */
4308  if (IsTrueArrayType(typForm))
4309  ereport(ERROR,
4310  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4311  errmsg("%s is not a base type",
4312  format_type_be(typeOid))));
4313 
4314  /* OK, recursively update this type and any arrays/domains over it */
4315  AlterTypeRecurse(typeOid, false, tup, catalog, &atparams);
4316 
4317  /* Clean up */
4318  ReleaseSysCache(tup);
4319 
4320  table_close(catalog, RowExclusiveLock);
4321 
4322  ObjectAddressSet(address, TypeRelationId, typeOid);
4323 
4324  return address;
4325 }
@ ACLCHECK_NOT_OWNER
Definition: acl.h:181
bool pg_type_ownercheck(Oid type_oid, Oid roleid)
Definition: aclchk.c:4846
void aclcheck_error_type(AclResult aclerr, Oid typeOid)
Definition: aclchk.c:3623
List * defGetQualifiedName(DefElem *def)
Definition: define.c:220
char * defGetString(DefElem *def)
Definition: define.c:49
char * format_type_be(Oid type_oid)
Definition: format_type.c:339
int a
Definition: isn.c:69
Oid GetUserId(void)
Definition: miscinit.c:495
Type typenameType(ParseState *pstate, const TypeName *typeName, int32 *typmod_p)
Definition: parse_type.c:264
Oid typeTypeId(Type tp)
Definition: parse_type.c:592
int pg_strcasecmp(const char *s1, const char *s2)
Definition: pgstrcasecmp.c:36
List * options
Definition: parsenodes.h:3128
List * typeName
Definition: parsenodes.h:3127
char * defname
Definition: parsenodes.h:758
Node * arg
Definition: parsenodes.h:759
bool superuser(void)
Definition: superuser.c:46
static Oid findTypeReceiveFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2042
static void AlterTypeRecurse(Oid typeOid, bool isImplicitArray, HeapTuple tup, Relation catalog, AlterTypeRecurseParams *atparams)
Definition: typecmds.c:4351
static Oid findTypeAnalyzeFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2199
static Oid findTypeSendFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2096
static Oid findTypeSubscriptingFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2226
static Oid findTypeTypmodoutFunction(List *procname)
Definition: typecmds.c:2165
static Oid findTypeTypmodinFunction(List *procname)
Definition: typecmds.c:2131

References a, 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().

◆ AlterTypeNamespace()

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

Definition at line 3882 of file typecmds.c.

3884 {
3885  TypeName *typename;
3886  Oid typeOid;
3887  Oid nspOid;
3888  Oid oldNspOid;
3889  ObjectAddresses *objsMoved;
3890  ObjectAddress myself;
3891 
3892  /* Make a TypeName so we can use standard type lookup machinery */
3893  typename = makeTypeNameFromNameList(names);
3894  typeOid = typenameTypeId(NULL, typename);
3895 
3896  /* Don't allow ALTER DOMAIN on a type */
3897  if (objecttype == OBJECT_DOMAIN && get_typtype(typeOid) != TYPTYPE_DOMAIN)
3898  ereport(ERROR,
3899  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3900  errmsg("%s is not a domain",
3901  format_type_be(typeOid))));
3902 
3903  /* get schema OID and check its permissions */
3904  nspOid = LookupCreationNamespace(newschema);
3905 
3906  objsMoved = new_object_addresses();
3907  oldNspOid = AlterTypeNamespace_oid(typeOid, nspOid, objsMoved);
3908  free_object_addresses(objsMoved);
3909 
3910  if (oldschema)
3911  *oldschema = oldNspOid;
3912 
3913  ObjectAddressSet(myself, TypeRelationId, typeOid);
3914 
3915  return myself;
3916 }
ObjectAddresses * new_object_addresses(void)
Definition: dependency.c:2445
void free_object_addresses(ObjectAddresses *addrs)
Definition: dependency.c:2740
char get_typtype(Oid typid)
Definition: lsyscache.c:2576
Oid LookupCreationNamespace(const char *nspname)
Definition: namespace.c:2981
@ OBJECT_DOMAIN
Definition: parsenodes.h:1801
Oid AlterTypeNamespace_oid(Oid typeOid, Oid nspOid, ObjectAddresses *objsMoved)
Definition: typecmds.c:3919

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().

◆ AlterTypeNamespace_oid()

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

Definition at line 3919 of file typecmds.c.

3920 {
3921  Oid elemOid;
3922 
3923  /* check permissions on type */
3924  if (!pg_type_ownercheck(typeOid, GetUserId()))
3926 
3927  /* don't allow direct alteration of array types */
3928  elemOid = get_element_type(typeOid);
3929  if (OidIsValid(elemOid) && get_array_type(elemOid) == typeOid)
3930  ereport(ERROR,
3931  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3932  errmsg("cannot alter array type %s",
3933  format_type_be(typeOid)),
3934  errhint("You can alter type %s, which will alter the array type as well.",
3935  format_type_be(elemOid))));
3936 
3937  /* and do the work */
3938  return AlterTypeNamespaceInternal(typeOid, nspOid, false, true, objsMoved);
3939 }
#define OidIsValid(objectId)
Definition: c.h:710
int errhint(const char *fmt,...)
Definition: elog.c:1151
Oid get_element_type(Oid typid)
Definition: lsyscache.c:2706
Oid get_array_type(Oid typid)
Definition: lsyscache.c:2734
Oid AlterTypeNamespaceInternal(Oid typeOid, Oid nspOid, bool isImplicitArray, bool errorOnTableType, ObjectAddresses *objsMoved)
Definition: typecmds.c:3957

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().

◆ AlterTypeNamespaceInternal()

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

Definition at line 3957 of file typecmds.c.

3961 {
3962  Relation rel;
3963  HeapTuple tup;
3964  Form_pg_type typform;
3965  Oid oldNspOid;
3966  Oid arrayOid;
3967  bool isCompositeType;
3968  ObjectAddress thisobj;
3969 
3970  /*
3971  * Make sure we haven't moved this object previously.
3972  */
3973  thisobj.classId = TypeRelationId;
3974  thisobj.objectId = typeOid;
3975  thisobj.objectSubId = 0;
3976 
3977  if (object_address_present(&thisobj, objsMoved))
3978  return InvalidOid;
3979 
3980  rel = table_open(TypeRelationId, RowExclusiveLock);
3981 
3982  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3983  if (!HeapTupleIsValid(tup))
3984  elog(ERROR, "cache lookup failed for type %u", typeOid);
3985  typform = (Form_pg_type) GETSTRUCT(tup);
3986 
3987  oldNspOid = typform->typnamespace;
3988  arrayOid = typform->typarray;
3989 
3990  /* If the type is already there, we scan skip these next few checks. */
3991  if (oldNspOid != nspOid)
3992  {
3993  /* common checks on switching namespaces */
3994  CheckSetNamespace(oldNspOid, nspOid);
3995 
3996  /* check for duplicate name (more friendly than unique-index failure) */
3998  NameGetDatum(&typform->typname),
3999  ObjectIdGetDatum(nspOid)))
4000  ereport(ERROR,
4002  errmsg("type \"%s\" already exists in schema \"%s\"",
4003  NameStr(typform->typname),
4004  get_namespace_name(nspOid))));
4005  }
4006 
4007  /* Detect whether type is a composite type (but not a table rowtype) */
4008  isCompositeType =
4009  (typform->typtype == TYPTYPE_COMPOSITE &&
4010  get_rel_relkind(typform->typrelid) == RELKIND_COMPOSITE_TYPE);
4011 
4012  /* Enforce not-table-type if requested */
4013  if (typform->typtype == TYPTYPE_COMPOSITE && !isCompositeType &&
4014  errorOnTableType)
4015  ereport(ERROR,
4016  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
4017  errmsg("%s is a table's row type",
4018  format_type_be(typeOid)),
4019  errhint("Use ALTER TABLE instead.")));
4020 
4021  if (oldNspOid != nspOid)
4022  {
4023  /* OK, modify the pg_type row */
4024 
4025  /* tup is a copy, so we can scribble directly on it */
4026  typform->typnamespace = nspOid;
4027 
4028  CatalogTupleUpdate(rel, &tup->t_self, tup);
4029  }
4030 
4031  /*
4032  * Composite types have pg_class entries.
4033  *
4034  * We need to modify the pg_class tuple as well to reflect the change of
4035  * schema.
4036  */
4037  if (isCompositeType)
4038  {
4039  Relation classRel;
4040 
4041  classRel = table_open(RelationRelationId, RowExclusiveLock);
4042 
4043  AlterRelationNamespaceInternal(classRel, typform->typrelid,
4044  oldNspOid, nspOid,
4045  false, objsMoved);
4046 
4047  table_close(classRel, RowExclusiveLock);
4048 
4049  /*
4050  * Check for constraints associated with the composite type (we don't
4051  * currently support this, but probably will someday).
4052  */
4053  AlterConstraintNamespaces(typform->typrelid, oldNspOid,
4054  nspOid, false, objsMoved);
4055  }
4056  else
4057  {
4058  /* If it's a domain, it might have constraints */
4059  if (typform->typtype == TYPTYPE_DOMAIN)
4060  AlterConstraintNamespaces(typeOid, oldNspOid, nspOid, true,
4061  objsMoved);
4062  }
4063 
4064  /*
4065  * Update dependency on schema, if any --- a table rowtype has not got
4066  * one, and neither does an implicit array.
4067  */
4068  if (oldNspOid != nspOid &&
4069  (isCompositeType || typform->typtype != TYPTYPE_COMPOSITE) &&
4070  !isImplicitArray)
4071  if (changeDependencyFor(TypeRelationId, typeOid,
4072  NamespaceRelationId, oldNspOid, nspOid) != 1)
4073  elog(ERROR, "failed to change schema dependency for type %s",
4074  format_type_be(typeOid));
4075 
4076  InvokeObjectPostAlterHook(TypeRelationId, typeOid, 0);
4077 
4078  heap_freetuple(tup);
4079 
4081 
4082  add_exact_object_address(&thisobj, objsMoved);
4083 
4084  /* Recursively alter the associated array type, if any */
4085  if (OidIsValid(arrayOid))
4086  AlterTypeNamespaceInternal(arrayOid, nspOid, true, true, objsMoved);
4087 
4088  return oldNspOid;
4089 }
bool object_address_present(const ObjectAddress *object, const ObjectAddresses *addrs)
Definition: dependency.c:2560
void add_exact_object_address(const ObjectAddress *object, ObjectAddresses *addrs)
Definition: dependency.c:2500
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3316
char get_rel_relkind(Oid relid)
Definition: lsyscache.c:1974
void CheckSetNamespace(Oid oldNspOid, Oid nspOid)
Definition: namespace.c:3012
void AlterConstraintNamespaces(Oid ownerId, Oid oldNspId, Oid newNspId, bool isType, ObjectAddresses *objsMoved)
long changeDependencyFor(Oid classId, Oid objectId, Oid refClassId, Oid oldRefObjectId, Oid newRefObjectId)
Definition: pg_depend.c:399
#define NameGetDatum(X)
Definition: postgres.h:639
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:32
@ TYPENAMENSP
Definition: syscache.h:111
#define SearchSysCacheExists2(cacheId, key1, key2)
Definition: syscache.h:188
void AlterRelationNamespaceInternal(Relation classRel, Oid relOid, Oid oldNspOid, Oid newNspOid, bool hasDependEntry, ObjectAddresses *objsMoved)
Definition: tablecmds.c:16446

References add_exact_object_address(), AlterConstraintNamespaces(), AlterRelationNamespaceInternal(), 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(), and AlterTypeNamespace_oid().

◆ AlterTypeOwner()

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

Definition at line 3679 of file typecmds.c.

3680 {
3681  TypeName *typename;
3682  Oid typeOid;
3683  Relation rel;
3684  HeapTuple tup;
3685  HeapTuple newtup;
3686  Form_pg_type typTup;
3687  AclResult aclresult;
3688  ObjectAddress address;
3689 
3690  rel = table_open(TypeRelationId, RowExclusiveLock);
3691 
3692  /* Make a TypeName so we can use standard type lookup machinery */
3693  typename = makeTypeNameFromNameList(names);
3694 
3695  /* Use LookupTypeName here so that shell types can be processed */
3696  tup = LookupTypeName(NULL, typename, NULL, false);
3697  if (tup == NULL)
3698  ereport(ERROR,
3699  (errcode(ERRCODE_UNDEFINED_OBJECT),
3700  errmsg("type \"%s\" does not exist",
3701  TypeNameToString(typename))));
3702  typeOid = typeTypeId(tup);
3703 
3704  /* Copy the syscache entry so we can scribble on it below */
3705  newtup = heap_copytuple(tup);
3706  ReleaseSysCache(tup);
3707  tup = newtup;
3708  typTup = (Form_pg_type) GETSTRUCT(tup);
3709 
3710  /* Don't allow ALTER DOMAIN on a type */
3711  if (objecttype == OBJECT_DOMAIN && typTup->typtype != TYPTYPE_DOMAIN)
3712  ereport(ERROR,
3713  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3714  errmsg("%s is not a domain",
3715  format_type_be(typeOid))));
3716 
3717  /*
3718  * If it's a composite type, we need to check that it really is a
3719  * free-standing composite type, and not a table's rowtype. We want people
3720  * to use ALTER TABLE not ALTER TYPE for that case.
3721  */
3722  if (typTup->typtype == TYPTYPE_COMPOSITE &&
3723  get_rel_relkind(typTup->typrelid) != RELKIND_COMPOSITE_TYPE)
3724  ereport(ERROR,
3725  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3726  errmsg("%s is a table's row type",
3727  format_type_be(typeOid)),
3728  errhint("Use ALTER TABLE instead.")));
3729 
3730  /* don't allow direct alteration of array types, either */
3731  if (IsTrueArrayType(typTup))
3732  ereport(ERROR,
3733  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3734  errmsg("cannot alter array type %s",
3735  format_type_be(typeOid)),
3736  errhint("You can alter type %s, which will alter the array type as well.",
3737  format_type_be(typTup->typelem))));
3738 
3739  /*
3740  * If the new owner is the same as the existing owner, consider the
3741  * command to have succeeded. This is for dump restoration purposes.
3742  */
3743  if (typTup->typowner != newOwnerId)
3744  {
3745  /* Superusers can always do it */
3746  if (!superuser())
3747  {
3748  /* Otherwise, must be owner of the existing object */
3749  if (!pg_type_ownercheck(typTup->oid, GetUserId()))
3751 
3752  /* Must be able to become new owner */
3753  check_is_member_of_role(GetUserId(), newOwnerId);
3754 
3755  /* New owner must have CREATE privilege on namespace */
3756  aclresult = pg_namespace_aclcheck(typTup->typnamespace,
3757  newOwnerId,
3758  ACL_CREATE);
3759  if (aclresult != ACLCHECK_OK)
3760  aclcheck_error(aclresult, OBJECT_SCHEMA,
3761  get_namespace_name(typTup->typnamespace));
3762  }
3763 
3764  AlterTypeOwner_oid(typeOid, newOwnerId, true);
3765  }
3766 
3767  ObjectAddressSet(address, TypeRelationId, typeOid);
3768 
3769  /* Clean up */
3771 
3772  return address;
3773 }
void check_is_member_of_role(Oid member, Oid role)
Definition: acl.c:4893
AclResult
Definition: acl.h:178
@ ACLCHECK_OK
Definition: acl.h:179
AclResult pg_namespace_aclcheck(Oid nsp_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4758
void aclcheck_error(AclResult aclerr, ObjectType objtype, const char *objectname)
Definition: aclchk.c:3308
Type LookupTypeName(ParseState *pstate, const TypeName *typeName, int32 *typmod_p, bool missing_ok)
Definition: parse_type.c:38
@ OBJECT_SCHEMA
Definition: parsenodes.h:1824
#define ACL_CREATE
Definition: parsenodes.h:91
void AlterTypeOwner_oid(Oid typeOid, Oid newOwnerId, bool hasDependEntry)
Definition: typecmds.c:3787

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().

◆ AlterTypeOwner_oid()

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

Definition at line 3787 of file typecmds.c.

3788 {
3789  Relation rel;
3790  HeapTuple tup;
3791  Form_pg_type typTup;
3792 
3793  rel = table_open(TypeRelationId, RowExclusiveLock);
3794 
3795  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(typeOid));
3796  if (!HeapTupleIsValid(tup))
3797  elog(ERROR, "cache lookup failed for type %u", typeOid);
3798  typTup = (Form_pg_type) GETSTRUCT(tup);
3799 
3800  /*
3801  * If it's a composite type, invoke ATExecChangeOwner so that we fix up
3802  * the pg_class entry properly. That will call back to
3803  * AlterTypeOwnerInternal to take care of the pg_type entry(s).
3804  */
3805  if (typTup->typtype == TYPTYPE_COMPOSITE)
3806  ATExecChangeOwner(typTup->typrelid, newOwnerId, true, AccessExclusiveLock);
3807  else
3808  AlterTypeOwnerInternal(typeOid, newOwnerId);
3809 
3810  /* Update owner dependency reference */
3811  if (hasDependEntry)
3812  changeDependencyOnOwner(TypeRelationId, typeOid, newOwnerId);
3813 
3814  InvokeObjectPostAlterHook(TypeRelationId, typeOid, 0);
3815 
3816  ReleaseSysCache(tup);
3818 }
#define AccessExclusiveLock
Definition: lockdefs.h:43
void changeDependencyOnOwner(Oid classId, Oid objectId, Oid newOwnerId)
Definition: pg_shdepend.c:312
void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing, LOCKMODE lockmode)
Definition: tablecmds.c:13620
void AlterTypeOwnerInternal(Oid typeOid, Oid newOwnerId)
Definition: typecmds.c:3827

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().

◆ AlterTypeOwnerInternal()

void AlterTypeOwnerInternal ( Oid  typeOid,
Oid  newOwnerId 
)

Definition at line 3827 of file typecmds.c.

3828 {
3829  Relation rel;
3830  HeapTuple tup;
3831  Form_pg_type typTup;
3832  Datum repl_val[Natts_pg_type];
3833  bool repl_null[Natts_pg_type];
3834  bool repl_repl[Natts_pg_type];
3835  Acl *newAcl;
3836  Datum aclDatum;
3837  bool isNull;
3838 
3839  rel = table_open(TypeRelationId, RowExclusiveLock);
3840 
3841  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3842  if (!HeapTupleIsValid(tup))
3843  elog(ERROR, "cache lookup failed for type %u", typeOid);
3844  typTup = (Form_pg_type) GETSTRUCT(tup);
3845 
3846  memset(repl_null, false, sizeof(repl_null));
3847  memset(repl_repl, false, sizeof(repl_repl));
3848 
3849  repl_repl[Anum_pg_type_typowner - 1] = true;
3850  repl_val[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(newOwnerId);
3851 
3852  aclDatum = heap_getattr(tup,
3853  Anum_pg_type_typacl,
3854  RelationGetDescr(rel),
3855  &isNull);
3856  /* Null ACLs do not require changes */
3857  if (!isNull)
3858  {
3859  newAcl = aclnewowner(DatumGetAclP(aclDatum),
3860  typTup->typowner, newOwnerId);
3861  repl_repl[Anum_pg_type_typacl - 1] = true;
3862  repl_val[Anum_pg_type_typacl - 1] = PointerGetDatum(newAcl);
3863  }
3864 
3865  tup = heap_modify_tuple(tup, RelationGetDescr(rel), repl_val, repl_null,
3866  repl_repl);
3867 
3868  CatalogTupleUpdate(rel, &tup->t_self, tup);
3869 
3870  /* If it has an array type, update that too */
3871  if (OidIsValid(typTup->typarray))
3872  AlterTypeOwnerInternal(typTup->typarray, newOwnerId);
3873 
3874  /* Clean up */
3876 }
Acl * aclnewowner(const Acl *old_acl, Oid oldOwnerId, Oid newOwnerId)
Definition: acl.c:1037
#define DatumGetAclP(X)
Definition: acl.h:120
#define heap_getattr(tup, attnum, tupleDesc, isnull)
Definition: htup_details.h:756
#define PointerGetDatum(X)
Definition: postgres.h:600

References aclnewowner(), 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(), and ATExecChangeOwner().

◆ AssignTypeArrayOid()

Oid AssignTypeArrayOid ( void  )

Definition at line 2401 of file typecmds.c.

2402 {
2403  Oid type_array_oid;
2404 
2405  /* Use binary-upgrade override for pg_type.typarray? */
2406  if (IsBinaryUpgrade)
2407  {
2409  ereport(ERROR,
2410  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2411  errmsg("pg_type array OID value not set when in binary upgrade mode")));
2412 
2413  type_array_oid = binary_upgrade_next_array_pg_type_oid;
2415  }
2416  else
2417  {
2418  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2419 
2420  type_array_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2421  Anum_pg_type_oid);
2422  table_close(pg_type, AccessShareLock);
2423  }
2424 
2425  return type_array_oid;
2426 }
Oid GetNewOidWithIndex(Relation relation, Oid indexId, AttrNumber oidcolumn)
Definition: catalog.c:381
bool IsBinaryUpgrade
Definition: globals.c:113
Oid binary_upgrade_next_array_pg_type_oid
Definition: typecmds.c:109

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().

◆ AssignTypeMultirangeArrayOid()

Oid AssignTypeMultirangeArrayOid ( void  )

Definition at line 2467 of file typecmds.c.

2468 {
2469  Oid type_multirange_array_oid;
2470 
2471  /* Use binary-upgrade override for pg_type.oid? */
2472  if (IsBinaryUpgrade)
2473  {
2475  ereport(ERROR,
2476  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2477  errmsg("pg_type multirange array OID value not set when in binary upgrade mode")));
2478 
2479  type_multirange_array_oid = binary_upgrade_next_mrng_array_pg_type_oid;
2481  }
2482  else
2483  {
2484  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2485 
2486  type_multirange_array_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2487  Anum_pg_type_oid);
2488  table_close(pg_type, AccessShareLock);
2489  }
2490 
2491  return type_multirange_array_oid;
2492 }
Oid binary_upgrade_next_mrng_array_pg_type_oid
Definition: typecmds.c:111

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().

◆ AssignTypeMultirangeOid()

Oid AssignTypeMultirangeOid ( void  )

Definition at line 2434 of file typecmds.c.

2435 {
2436  Oid type_multirange_oid;
2437 
2438  /* Use binary-upgrade override for pg_type.oid? */
2439  if (IsBinaryUpgrade)
2440  {
2442  ereport(ERROR,
2443  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
2444  errmsg("pg_type multirange OID value not set when in binary upgrade mode")));
2445 
2446  type_multirange_oid = binary_upgrade_next_mrng_pg_type_oid;
2448  }
2449  else
2450  {
2451  Relation pg_type = table_open(TypeRelationId, AccessShareLock);
2452 
2453  type_multirange_oid = GetNewOidWithIndex(pg_type, TypeOidIndexId,
2454  Anum_pg_type_oid);
2455  table_close(pg_type, AccessShareLock);
2456  }
2457 
2458  return type_multirange_oid;
2459 }
Oid binary_upgrade_next_mrng_pg_type_oid
Definition: typecmds.c:110

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().

◆ checkDomainOwner()

void checkDomainOwner ( HeapTuple  tup)

Definition at line 3425 of file typecmds.c.

3426 {
3427  Form_pg_type typTup = (Form_pg_type) GETSTRUCT(tup);
3428 
3429  /* Check that this is actually a domain */
3430  if (typTup->typtype != TYPTYPE_DOMAIN)
3431  ereport(ERROR,
3432  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3433  errmsg("%s is not a domain",
3434  format_type_be(typTup->oid))));
3435 
3436  /* Permission check: must own type */
3437  if (!pg_type_ownercheck(typTup->oid, GetUserId()))
3439 }

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().

◆ DefineCompositeType()

ObjectAddress DefineCompositeType ( RangeVar typevar,
List coldeflist 
)

Definition at line 2509 of file typecmds.c.

2510 {
2511  CreateStmt *createStmt = makeNode(CreateStmt);
2512  Oid old_type_oid;
2513  Oid typeNamespace;
2514  ObjectAddress address;
2515 
2516  /*
2517  * now set the parameters for keys/inheritance etc. All of these are
2518  * uninteresting for composite types...
2519  */
2520  createStmt->relation = typevar;
2521  createStmt->tableElts = coldeflist;
2522  createStmt->inhRelations = NIL;
2523  createStmt->constraints = NIL;
2524  createStmt->options = NIL;
2525  createStmt->oncommit = ONCOMMIT_NOOP;
2526  createStmt->tablespacename = NULL;
2527  createStmt->if_not_exists = false;
2528 
2529  /*
2530  * Check for collision with an existing type name. If there is one and
2531  * it's an autogenerated array, we can rename it out of the way. This
2532  * check is here mainly to get a better error message about a "type"
2533  * instead of below about a "relation".
2534  */
2535  typeNamespace = RangeVarGetAndCheckCreationNamespace(createStmt->relation,
2536  NoLock, NULL);
2537  RangeVarAdjustRelationPersistence(createStmt->relation, typeNamespace);
2538  old_type_oid =
2539  GetSysCacheOid2(TYPENAMENSP, Anum_pg_type_oid,
2540  CStringGetDatum(createStmt->relation->relname),
2541  ObjectIdGetDatum(typeNamespace));
2542  if (OidIsValid(old_type_oid))
2543  {
2544  if (!moveArrayTypeName(old_type_oid, createStmt->relation->relname, typeNamespace))
2545  ereport(ERROR,
2547  errmsg("type \"%s\" already exists", createStmt->relation->relname)));
2548  }
2549 
2550  /*
2551  * Finally create the relation. This also creates the type.
2552  */
2553  DefineRelation(createStmt, RELKIND_COMPOSITE_TYPE, InvalidOid, &address,
2554  NULL);
2555 
2556  return address;
2557 }
Oid RangeVarGetAndCheckCreationNamespace(RangeVar *relation, LOCKMODE lockmode, Oid *existing_relation_id)
Definition: namespace.c:535
void RangeVarAdjustRelationPersistence(RangeVar *newRelation, Oid nspid)
Definition: namespace.c:642
#define makeNode(_type_)
Definition: nodes.h:586
bool moveArrayTypeName(Oid typeOid, const char *typeName, Oid typeNamespace)
Definition: pg_type.c:856
@ ONCOMMIT_NOOP
Definition: primnodes.h:49
List * tableElts
Definition: parsenodes.h:2185
OnCommitAction oncommit
Definition: parsenodes.h:2193
List * options
Definition: parsenodes.h:2192
bool if_not_exists
Definition: parsenodes.h:2196
List * inhRelations
Definition: parsenodes.h:2186
RangeVar * relation
Definition: parsenodes.h:2184
char * tablespacename
Definition: parsenodes.h:2194
List * constraints
Definition: parsenodes.h:2191
char * relname
Definition: primnodes.h:68
#define GetSysCacheOid2(cacheId, oidcol, key1, key2)
Definition: syscache.h:197
ObjectAddress DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId, ObjectAddress *typaddress, const char *queryString)
Definition: tablecmds.c:649

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().

◆ DefineDomain()

ObjectAddress DefineDomain ( CreateDomainStmt stmt)

Definition at line 693 of file typecmds.c.

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 }
AclResult pg_type_aclcheck(Oid type_oid, Oid roleid, AclMode mode)
Definition: aclchk.c:4808
signed short int16
Definition: c.h:428
signed int int32
Definition: c.h:429
void pfree(void *pointer)
Definition: mcxt.c:1169
Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p)
Definition: namespace.c:3040
Oid get_collation_oid(List *name, bool missing_ok)
Definition: namespace.c:3646
#define ACL_USAGE
Definition: parsenodes.h:90
@ CONSTR_DEFAULT
Definition: parsenodes.h:2235
@ CONSTR_NOTNULL
Definition: parsenodes.h:2234
@ CONSTR_NULL
Definition: parsenodes.h:2232
static int list_length(const List *l)
Definition: pg_list.h:149
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 * makeArrayTypeName(const char *typeName, Oid typeNamespace)
Definition: pg_type.c:816
List * collname
Definition: parsenodes.h:332
bool is_no_inherit
Definition: parsenodes.h:2273
Node * raw_expr
Definition: parsenodes.h:2274
TypeName * typeName
Definition: parsenodes.h:2699
CollateClause * collClause
Definition: parsenodes.h:2700
List * arrayBounds
Definition: parsenodes.h:226
Oid AssignTypeArrayOid(void)
Definition: typecmds.c:2401
void CommandCounterIncrement(void)
Definition: xact.c:1073

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().

◆ DefineEnum()

ObjectAddress DefineEnum ( CreateEnumStmt stmt)

Definition at line 1137 of file typecmds.c.

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 }
void EnumValuesCreate(Oid enumTypeOid, List *vals)
Definition: pg_enum.c:61
#define DEFAULT_TYPDELIM
Definition: typecmds.h:22

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().

◆ DefineRange()

ObjectAddress DefineRange ( ParseState pstate,
CreateRangeStmt stmt 
)

Definition at line 1336 of file typecmds.c.

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(multirangeArrayName);
1711 
1712  return address;
1713 }
Oid regproc
Definition: c.h:584
#define PG_USED_FOR_ASSERTS_ONLY
Definition: c.h:155
void errorConflictingDefElem(DefElem *defel, ParseState *pstate)
Definition: define.c:352
TypeName * defGetTypeName(DefElem *def)
Definition: define.c:252
@ DEPENDENCY_INTERNAL
Definition: dependency.h:35
Assert(fmt[strlen(fmt) - 1] !='\n')
bool get_typisdefined(Oid typid)
Definition: lsyscache.c:2120
void get_typlenbyvalalign(Oid typid, int16 *typlen, bool *typbyval, char *typalign)
Definition: lsyscache.c:2218
Oid get_typcollation(Oid typid)
Definition: lsyscache.c:3003
bool type_is_collatable(Oid typid)
Definition: lsyscache.c:3028
ObjectAddress CastCreate(Oid sourcetypeid, Oid targettypeid, Oid funcid, char castcontext, char castmethod, DependencyType behavior)
Definition: pg_cast.c:43
void RangeCreate(Oid rangeTypeOid, Oid rangeSubType, Oid rangeCollation, Oid rangeSubOpclass, RegProcedure rangeCanonical, RegProcedure rangeSubDiff, Oid multirangeTypeOid)
Definition: pg_range.c:36
char * makeMultirangeTypeName(const char *rangeTypeName, Oid typeNamespace)
Definition: pg_type.c:901
Oid AssignTypeMultirangeOid(void)
Definition: typecmds.c:2434
static Oid findRangeSubOpclass(List *opcname, Oid subtype)
Definition: typecmds.c:2273
static Oid findRangeSubtypeDiffFunction(List *procname, Oid subtype)
Definition: typecmds.c:2353
static void makeMultirangeConstructors(const char *name, Oid namespace, Oid multirangeOid, Oid rangeOid, Oid rangeArrayOid, Oid *castFuncOid)
Definition: typecmds.c:1799
static Oid findRangeCanonicalFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2312
static void makeRangeConstructors(const char *name, Oid namespace, Oid rangeOid, Oid subtype)
Definition: typecmds.c:1725
Oid AssignTypeMultirangeArrayOid(void)
Definition: typecmds.c:2467

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().

◆ DefineType()

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

Definition at line 148 of file typecmds.c.

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 }
bool pg_proc_ownercheck(Oid proc_oid, Oid roleid)
Definition: aclchk.c:4898
int defGetTypeLength(DefElem *def)
Definition: define.c:280
bool defGetBoolean(DefElem *def)
Definition: define.c:108
#define WARNING
Definition: elog.h:30
int16 get_typlen(Oid typid)
Definition: lsyscache.c:2144
char * NameListToString(List *names)
Definition: namespace.c:3147
int parser_errposition(ParseState *pstate, int location)
Definition: parse_node.c:111
@ OBJECT_FUNCTION
Definition: parsenodes.h:1808
ObjectAddress TypeShellMake(const char *typeName, Oid typeNamespace, Oid ownerId)
Definition: pg_type.c:60
int location
Definition: parsenodes.h:761
static Oid findTypeOutputFunction(List *procname, Oid typeOid)
Definition: typecmds.c:2007
static Oid findTypeInputFunction(List *procname, Oid typeOid)
Definition: typecmds.c:1944

References a, 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().

◆ RemoveTypeById()

void RemoveTypeById ( Oid  typeOid)

Definition at line 653 of file typecmds.c.

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 CatalogTupleDelete(Relation heapRel, ItemPointer tid)
Definition: indexing.c:350
void EnumValuesDelete(Oid enumTypeOid)
Definition: pg_enum.c:157
void RangeDelete(Oid rangeTypeOid)
Definition: pg_range.c:113

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

Referenced by doDeletion().

◆ RenameType()

ObjectAddress RenameType ( RenameStmt stmt)

Definition at line 3602 of file typecmds.c.

3603 {
3604  List *names = castNode(List, stmt->object);
3605  const char *newTypeName = stmt->newname;
3606  TypeName *typename;
3607  Oid typeOid;
3608  Relation rel;
3609  HeapTuple tup;
3610  Form_pg_type typTup;
3611  ObjectAddress address;
3612 
3613  /* Make a TypeName so we can use standard type lookup machinery */
3614  typename = makeTypeNameFromNameList(names);
3615  typeOid = typenameTypeId(NULL, typename);
3616 
3617  /* Look up the type in the type table */
3618  rel = table_open(TypeRelationId, RowExclusiveLock);
3619 
3620  tup = SearchSysCacheCopy1(TYPEOID, ObjectIdGetDatum(typeOid));
3621  if (!HeapTupleIsValid(tup))
3622  elog(ERROR, "cache lookup failed for type %u", typeOid);
3623  typTup = (Form_pg_type) GETSTRUCT(tup);
3624 
3625  /* check permissions on type */
3626  if (!pg_type_ownercheck(typeOid, GetUserId()))
3628 
3629  /* ALTER DOMAIN used on a non-domain? */
3630  if (stmt->renameType == OBJECT_DOMAIN && typTup->typtype != TYPTYPE_DOMAIN)
3631  ereport(ERROR,
3632  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3633  errmsg("%s is not a domain",
3634  format_type_be(typeOid))));
3635 
3636  /*
3637  * If it's a composite type, we need to check that it really is a
3638  * free-standing composite type, and not a table's rowtype. We want people
3639  * to use ALTER TABLE not ALTER TYPE for that case.
3640  */
3641  if (typTup->typtype == TYPTYPE_COMPOSITE &&
3642  get_rel_relkind(typTup->typrelid) != RELKIND_COMPOSITE_TYPE)
3643  ereport(ERROR,
3644  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3645  errmsg("%s is a table's row type",
3646  format_type_be(typeOid)),
3647  errhint("Use ALTER TABLE instead.")));
3648 
3649  /* don't allow direct alteration of array types, either */
3650  if (IsTrueArrayType(typTup))
3651  ereport(ERROR,
3652  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
3653  errmsg("cannot alter array type %s",
3654  format_type_be(typeOid)),
3655  errhint("You can alter type %s, which will alter the array type as well.",
3656  format_type_be(typTup->typelem))));
3657 
3658  /*
3659  * If type is composite we need to rename associated pg_class entry too.
3660  * RenameRelationInternal will call RenameTypeInternal automatically.
3661  */
3662  if (typTup->typtype == TYPTYPE_COMPOSITE)
3663  RenameRelationInternal(typTup->typrelid, newTypeName, false, false);
3664  else
3665  RenameTypeInternal(typeOid, newTypeName,
3666  typTup->typnamespace);
3667 
3668  ObjectAddressSet(address, TypeRelationId, typeOid);
3669  /* Clean up */
3671 
3672  return address;
3673 }
#define castNode(_type_, nodeptr)
Definition: nodes.h:607
void RenameTypeInternal(Oid typeOid, const char *newTypeName, Oid typeNamespace)
Definition: pg_type.c:741
ObjectType renameType
Definition: parsenodes.h:3057
char * newname
Definition: parsenodes.h:3063
Node * object
Definition: parsenodes.h:3060
void RenameRelationInternal(Oid myrelid, const char *newrelname, bool is_internal, bool is_index)
Definition: tablecmds.c:3820

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().