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ruleutils.h File Reference
#include "nodes/nodes.h"
#include "nodes/parsenodes.h"
#include "nodes/pg_list.h"
Include dependency graph for ruleutils.h:
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Functions

char * pg_get_indexdef_string (Oid indexrelid)
 
char * pg_get_indexdef_columns (Oid indexrelid, bool pretty)
 
char * pg_get_partkeydef_columns (Oid relid, bool pretty)
 
char * pg_get_constraintdef_command (Oid constraintId)
 
char * deparse_expression (Node *expr, List *dpcontext, bool forceprefix, bool showimplicit)
 
Listdeparse_context_for (const char *aliasname, Oid relid)
 
Listdeparse_context_for_plan_rtable (List *rtable, List *rtable_names)
 
Listset_deparse_context_planstate (List *dpcontext, Node *planstate, List *ancestors)
 
Listselect_rtable_names_for_explain (List *rtable, Bitmapset *rels_used)
 
char * generate_collation_name (Oid collid)
 

Function Documentation

List* deparse_context_for ( const char *  aliasname,
Oid  relid 
)

Definition at line 2946 of file ruleutils.c.

References RangeTblEntry::alias, deparse_namespace::ctes, RangeTblEntry::eref, RangeTblEntry::inFromCl, RangeTblEntry::inh, RangeTblEntry::lateral, list_make1, makeAlias(), makeNode, NIL, NULL, palloc0(), RangeTblEntry::relid, RangeTblEntry::relkind, RELKIND_RELATION, deparse_namespace::rtable, RTE_RELATION, RangeTblEntry::rtekind, set_rtable_names(), and set_simple_column_names().

Referenced by pg_get_constraintdef_worker(), pg_get_expr_worker(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), StoreAttrDefault(), StoreRelCheck(), and transformPartitionBound().

2947 {
2948  deparse_namespace *dpns;
2949  RangeTblEntry *rte;
2950 
2951  dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
2952 
2953  /* Build a minimal RTE for the rel */
2954  rte = makeNode(RangeTblEntry);
2955  rte->rtekind = RTE_RELATION;
2956  rte->relid = relid;
2957  rte->relkind = RELKIND_RELATION; /* no need for exactness here */
2958  rte->alias = makeAlias(aliasname, NIL);
2959  rte->eref = rte->alias;
2960  rte->lateral = false;
2961  rte->inh = false;
2962  rte->inFromCl = true;
2963 
2964  /* Build one-element rtable */
2965  dpns->rtable = list_make1(rte);
2966  dpns->ctes = NIL;
2967  set_rtable_names(dpns, NIL, NULL);
2969 
2970  /* Return a one-deep namespace stack */
2971  return list_make1(dpns);
2972 }
#define NIL
Definition: pg_list.h:69
Alias * alias
Definition: parsenodes.h:999
#define list_make1(x1)
Definition: pg_list.h:133
Alias * makeAlias(const char *aliasname, List *colnames)
Definition: makefuncs.c:384
static void set_rtable_names(deparse_namespace *dpns, List *parent_namespaces, Bitmapset *rels_used)
Definition: ruleutils.c:3090
void * palloc0(Size size)
Definition: mcxt.c:878
#define makeNode(_type_)
Definition: nodes.h:554
#define NULL
Definition: c.h:229
static void set_simple_column_names(deparse_namespace *dpns)
Definition: ruleutils.c:3303
RTEKind rtekind
Definition: parsenodes.h:916
Alias * eref
Definition: parsenodes.h:1000
#define RELKIND_RELATION
Definition: pg_class.h:160
List* deparse_context_for_plan_rtable ( List rtable,
List rtable_names 
)

Definition at line 2988 of file ruleutils.c.

References deparse_namespace::ctes, list_make1, NIL, palloc0(), deparse_namespace::rtable, deparse_namespace::rtable_names, and set_simple_column_names().

Referenced by ExplainPrintPlan().

2989 {
2990  deparse_namespace *dpns;
2991 
2992  dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
2993 
2994  /* Initialize fields that stay the same across the whole plan tree */
2995  dpns->rtable = rtable;
2996  dpns->rtable_names = rtable_names;
2997  dpns->ctes = NIL;
2998 
2999  /*
3000  * Set up column name aliases. We will get rather bogus results for join
3001  * RTEs, but that doesn't matter because plan trees don't contain any join
3002  * alias Vars.
3003  */
3005 
3006  /* Return a one-deep namespace stack */
3007  return list_make1(dpns);
3008 }
#define NIL
Definition: pg_list.h:69
List * rtable_names
Definition: ruleutils.c:149
#define list_make1(x1)
Definition: pg_list.h:133
void * palloc0(Size size)
Definition: mcxt.c:878
static void set_simple_column_names(deparse_namespace *dpns)
Definition: ruleutils.c:3303
char* deparse_expression ( Node expr,
List dpcontext,
bool  forceprefix,
bool  showimplicit 
)

Definition at line 2887 of file ruleutils.c.

References deparse_expression_pretty().

Referenced by AlterDomainDefault(), DefineDomain(), domainAddConstraint(), pg_get_function_arg_default(), print_function_arguments(), show_expression(), show_grouping_set_keys(), show_plan_tlist(), show_sort_group_keys(), show_tablesample(), StoreAttrDefault(), StoreRelCheck(), and transformPartitionBound().

2889 {
2890  return deparse_expression_pretty(expr, dpcontext, forceprefix,
2891  showimplicit, 0, 0);
2892 }
static char * deparse_expression_pretty(Node *expr, List *dpcontext, bool forceprefix, bool showimplicit, int prettyFlags, int startIndent)
Definition: ruleutils.c:2914
char* generate_collation_name ( Oid  collid)

Definition at line 10593 of file ruleutils.c.

References CollationIsVisible(), COLLOID, elog, ERROR, get_namespace_name(), GETSTRUCT, HeapTupleIsValid, NameStr, NULL, ObjectIdGetDatum, quote_qualified_identifier(), ReleaseSysCache(), result, and SearchSysCache1.

Referenced by get_const_collation(), get_from_clause_coldeflist(), get_rule_expr(), pg_collation_for(), pg_get_indexdef_worker(), and pg_get_partkeydef_worker().

10594 {
10595  HeapTuple tp;
10596  Form_pg_collation colltup;
10597  char *collname;
10598  char *nspname;
10599  char *result;
10600 
10601  tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));
10602  if (!HeapTupleIsValid(tp))
10603  elog(ERROR, "cache lookup failed for collation %u", collid);
10604  colltup = (Form_pg_collation) GETSTRUCT(tp);
10605  collname = NameStr(colltup->collname);
10606 
10607  if (!CollationIsVisible(collid))
10608  nspname = get_namespace_name(colltup->collnamespace);
10609  else
10610  nspname = NULL;
10611 
10612  result = quote_qualified_identifier(nspname, collname);
10613 
10614  ReleaseSysCache(tp);
10615 
10616  return result;
10617 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
return result
Definition: formatting.c:1618
#define SearchSysCache1(cacheId, key1)
Definition: syscache.h:152
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define ERROR
Definition: elog.h:43
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3006
bool CollationIsVisible(Oid collid)
Definition: namespace.c:1965
char * quote_qualified_identifier(const char *qualifier, const char *ident)
Definition: ruleutils.c:10271
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1116
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
#define NULL
Definition: c.h:229
FormData_pg_collation * Form_pg_collation
Definition: pg_collation.h:51
#define NameStr(name)
Definition: c.h:499
#define elog
Definition: elog.h:219
char* pg_get_constraintdef_command ( Oid  constraintId)

Definition at line 1716 of file ruleutils.c.

References pg_get_constraintdef_worker().

Referenced by ATExecAlterColumnType().

1717 {
1718  return pg_get_constraintdef_worker(constraintId, true, 0, false);
1719 }
static char * pg_get_constraintdef_worker(Oid constraintId, bool fullCommand, int prettyFlags, bool missing_ok)
Definition: ruleutils.c:1725
char* pg_get_indexdef_columns ( Oid  indexrelid,
bool  pretty 
)

Definition at line 1126 of file ruleutils.c.

References NULL, pg_get_indexdef_worker(), PRETTYFLAG_INDENT, and PRETTYFLAG_PAREN.

Referenced by BuildIndexValueDescription().

1127 {
1128  int prettyFlags;
1129 
1130  prettyFlags = pretty ? PRETTYFLAG_PAREN | PRETTYFLAG_INDENT : PRETTYFLAG_INDENT;
1131  return pg_get_indexdef_worker(indexrelid, 0, NULL, true, false,
1132  prettyFlags, false);
1133 }
#define PRETTYFLAG_INDENT
Definition: ruleutils.c:89
#define NULL
Definition: c.h:229
#define PRETTYFLAG_PAREN
Definition: ruleutils.c:88
static char * pg_get_indexdef_worker(Oid indexrelid, int colno, const Oid *excludeOps, bool attrsOnly, bool showTblSpc, int prettyFlags, bool missing_ok)
Definition: ruleutils.c:1142
char* pg_get_indexdef_string ( Oid  indexrelid)

Definition at line 1119 of file ruleutils.c.

References NULL, and pg_get_indexdef_worker().

Referenced by ATExecAlterColumnType().

1120 {
1121  return pg_get_indexdef_worker(indexrelid, 0, NULL, false, true, 0, false);
1122 }
#define NULL
Definition: c.h:229
static char * pg_get_indexdef_worker(Oid indexrelid, int colno, const Oid *excludeOps, bool attrsOnly, bool showTblSpc, int prettyFlags, bool missing_ok)
Definition: ruleutils.c:1142
char* pg_get_partkeydef_columns ( Oid  relid,
bool  pretty 
)

Definition at line 1514 of file ruleutils.c.

References pg_get_partkeydef_worker(), PRETTYFLAG_INDENT, and PRETTYFLAG_PAREN.

Referenced by ExecBuildSlotPartitionKeyDescription().

1515 {
1516  int prettyFlags;
1517 
1518  prettyFlags = pretty ? PRETTYFLAG_PAREN | PRETTYFLAG_INDENT : PRETTYFLAG_INDENT;
1519  return pg_get_partkeydef_worker(relid, prettyFlags, true);
1520 }
#define PRETTYFLAG_INDENT
Definition: ruleutils.c:89
static char * pg_get_partkeydef_worker(Oid relid, int prettyFlags, bool attrsOnly)
Definition: ruleutils.c:1526
#define PRETTYFLAG_PAREN
Definition: ruleutils.c:88
List* select_rtable_names_for_explain ( List rtable,
Bitmapset rels_used 
)

Definition at line 3063 of file ruleutils.c.

References deparse_namespace::ctes, NIL, deparse_namespace::rtable, deparse_namespace::rtable_names, and set_rtable_names().

Referenced by ExplainPrintPlan().

3064 {
3065  deparse_namespace dpns;
3066 
3067  memset(&dpns, 0, sizeof(dpns));
3068  dpns.rtable = rtable;
3069  dpns.ctes = NIL;
3070  set_rtable_names(&dpns, NIL, rels_used);
3071  /* We needn't bother computing column aliases yet */
3072 
3073  return dpns.rtable_names;
3074 }
#define NIL
Definition: pg_list.h:69
List * rtable_names
Definition: ruleutils.c:149
static void set_rtable_names(deparse_namespace *dpns, List *parent_namespaces, Bitmapset *rels_used)
Definition: ruleutils.c:3090
List* set_deparse_context_planstate ( List dpcontext,
Node planstate,
List ancestors 
)

Definition at line 3039 of file ruleutils.c.

References deparse_namespace::ancestors, Assert, linitial, list_length(), and set_deparse_planstate().

Referenced by show_expression(), show_grouping_sets(), show_plan_tlist(), show_sort_group_keys(), and show_tablesample().

3041 {
3042  deparse_namespace *dpns;
3043 
3044  /* Should always have one-entry namespace list for Plan deparsing */
3045  Assert(list_length(dpcontext) == 1);
3046  dpns = (deparse_namespace *) linitial(dpcontext);
3047 
3048  /* Set our attention on the specific plan node passed in */
3049  set_deparse_planstate(dpns, (PlanState *) planstate);
3050  dpns->ancestors = ancestors;
3051 
3052  return dpcontext;
3053 }
static void set_deparse_planstate(deparse_namespace *dpns, PlanState *ps)
Definition: ruleutils.c:4325
#define linitial(l)
Definition: pg_list.h:110
#define Assert(condition)
Definition: c.h:675
static int list_length(const List *l)
Definition: pg_list.h:89