#include "nodes/nodes.h"
#include "nodes/parsenodes.h"
#include "nodes/pg_list.h"

Include dependency graph for ruleutils.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	RULE_INDEXDEF_PRETTY 0x01

#define	RULE_INDEXDEF_KEYS_ONLY 0x02 /* ignore included attributes */

Functions
char *	pg_get_indexdef_string (Oid indexrelid)

char *	pg_get_indexdef_columns (Oid indexrelid, bool pretty)

char *	pg_get_indexdef_columns_extended (Oid indexrelid, bits16 flags)

char *	pg_get_querydef (Query *query, bool pretty)

char *	pg_get_partkeydef_columns (Oid relid, bool pretty)

char *	pg_get_partconstrdef_string (Oid partitionId, char *aliasname)

char *	pg_get_constraintdef_command (Oid constraintId)

char *	deparse_expression (Node expr, List dpcontext, bool forceprefix, bool showimplicit)

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

List *	deparse_context_for_plan_tree (struct PlannedStmt pstmt, List rtable_names)

List *	set_deparse_context_plan (List dpcontext, struct Plan plan, List *ancestors)

List *	select_rtable_names_for_explain (List rtable, Bitmapset rels_used)

char *	generate_collation_name (Oid collid)

char *	generate_opclass_name (Oid opclass)

char *	get_range_partbound_string (List *bound_datums)

char *	pg_get_statisticsobjdef_string (Oid statextid)

Macro Definition Documentation

◆ RULE_INDEXDEF_KEYS_ONLY

#define RULE_INDEXDEF_KEYS_ONLY 0x02 /* ignore included attributes */

Definition at line 25 of file ruleutils.h.

◆ RULE_INDEXDEF_PRETTY

#define RULE_INDEXDEF_PRETTY 0x01

Definition at line 24 of file ruleutils.h.

Function Documentation

◆ deparse_context_for()

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

Definition at line 3698 of file ruleutils.c.

 {
     deparse_namespace *dpns;
     RangeTblEntry *rte;
  
     dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
  
     /* Build a minimal RTE for the rel */
     rte = makeNode(RangeTblEntry);
     rte->rtekind = RTE_RELATION;
     rte->relid = relid;
     rte->relkind = RELKIND_RELATION;    /* no need for exactness here */
     rte->rellockmode = AccessShareLock;
     rte->alias = makeAlias(aliasname, NIL);
     rte->eref = rte->alias;
     rte->lateral = false;
     rte->inh = false;
     rte->inFromCl = true;
  
     /* Build one-element rtable */
     dpns->rtable = list_make1(rte);
     dpns->subplans = NIL;
     dpns->ctes = NIL;
     dpns->appendrels = NULL;
     set_rtable_names(dpns, NIL, NULL);
     set_simple_column_names(dpns);
  
     /* Return a one-deep namespace stack */
     return list_make1(dpns);
 }

References AccessShareLock, deparse_namespace::appendrels, deparse_namespace::ctes, RangeTblEntry::inh, list_make1, makeAlias(), makeNode, NIL, palloc0(), RangeTblEntry::relid, deparse_namespace::rtable, RTE_RELATION, RangeTblEntry::rtekind, set_rtable_names(), set_simple_column_names(), and deparse_namespace::subplans.

Referenced by pg_get_constraintdef_worker(), pg_get_expr_worker(), pg_get_indexdef_worker(), pg_get_partconstrdef_string(), pg_get_partition_constraintdef(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), transformPartitionBound(), and transformPartitionRangeBounds().

◆ deparse_context_for_plan_tree()

List* deparse_context_for_plan_tree	(	struct PlannedStmt *	pstmt,
		List *	rtable_names
	)

Definition at line 3743 of file ruleutils.c.

 {
     deparse_namespace *dpns;
  
     dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
  
     /* Initialize fields that stay the same across the whole plan tree */
     dpns->rtable = pstmt->rtable;
     dpns->rtable_names = rtable_names;
     dpns->subplans = pstmt->subplans;
     dpns->ctes = NIL;
     if (pstmt->appendRelations)
     {
         /* Set up the array, indexed by child relid */
         int         ntables = list_length(dpns->rtable);
         ListCell   *lc;
  
         dpns->appendrels = (AppendRelInfo **)
             palloc0((ntables + 1) * sizeof(AppendRelInfo *));
         foreach(lc, pstmt->appendRelations)
         {
             AppendRelInfo *appinfo = lfirst_node(AppendRelInfo, lc);
             Index       crelid = appinfo->child_relid;
  
             Assert(crelid > 0 && crelid <= ntables);
             Assert(dpns->appendrels[crelid] == NULL);
             dpns->appendrels[crelid] = appinfo;
         }
     }
     else
         dpns->appendrels = NULL;    /* don't need it */
  
     /*
      * Set up column name aliases.  We will get rather bogus results for join
      * RTEs, but that doesn't matter because plan trees don't contain any join
      * alias Vars.
      */
     set_simple_column_names(dpns);
  
     /* Return a one-deep namespace stack */
     return list_make1(dpns);
 }

References PlannedStmt::appendRelations, deparse_namespace::appendrels, Assert, AppendRelInfo::child_relid, deparse_namespace::ctes, lfirst_node, list_length(), list_make1, NIL, palloc0(), deparse_namespace::rtable, PlannedStmt::rtable, deparse_namespace::rtable_names, set_simple_column_names(), deparse_namespace::subplans, and PlannedStmt::subplans.

Referenced by ExplainPrintPlan().

◆ deparse_expression()

char* deparse_expression	(	Node *	expr,
		List *	dpcontext,
		bool	forceprefix,
		bool	showimplicit
	)

Definition at line 3635 of file ruleutils.c.

 {
     return deparse_expression_pretty(expr, dpcontext, forceprefix,
                                      showimplicit, 0, 0);
 }

References deparse_expression_pretty().

Referenced by AlterDomainDefault(), DefineDomain(), pg_get_function_arg_default(), pg_get_partconstrdef_string(), print_function_arguments(), show_expression(), show_grouping_set_keys(), show_memoize_info(), show_plan_tlist(), show_sort_group_keys(), show_tablesample(), transformPartitionBound(), and transformPartitionRangeBounds().

◆ generate_collation_name()

char* generate_collation_name ( Oid collid )

Definition at line 13382 of file ruleutils.c.

 {
     HeapTuple   tp;
     Form_pg_collation colltup;
     char       *collname;
     char       *nspname;
     char       *result;
  
     tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));
     if (!HeapTupleIsValid(tp))
         elog(ERROR, "cache lookup failed for collation %u", collid);
     colltup = (Form_pg_collation) GETSTRUCT(tp);
     collname = NameStr(colltup->collname);
  
     if (!CollationIsVisible(collid))
         nspname = get_namespace_name_or_temp(colltup->collnamespace);
     else
         nspname = NULL;
  
     result = quote_qualified_identifier(nspname, collname);
  
     ReleaseSysCache(tp);
  
     return result;
 }

References CollationIsVisible(), collid, elog, ERROR, get_namespace_name_or_temp(), GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum(), quote_qualified_identifier(), ReleaseSysCache(), 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().

◆ generate_opclass_name()

char* generate_opclass_name ( Oid opclass )

Definition at line 12738 of file ruleutils.c.

 {
     StringInfoData buf;
  
     initStringInfo(&buf);
     get_opclass_name(opclass, InvalidOid, &buf);
  
     return &buf.data[1];        /* get_opclass_name() prepends space */
 }

References buf, get_opclass_name(), initStringInfo(), and InvalidOid.

Referenced by index_opclass_options().

◆ get_range_partbound_string()

char* get_range_partbound_string ( List * bound_datums )

Definition at line 13515 of file ruleutils.c.

 {
     deparse_context context;
     StringInfo  buf = makeStringInfo();
     ListCell   *cell;
     char       *sep;
  
     memset(&context, 0, sizeof(deparse_context));
     context.buf = buf;
  
     appendStringInfoChar(buf, '(');
     sep = "";
     foreach(cell, bound_datums)
     {
         PartitionRangeDatum *datum =
             lfirst_node(PartitionRangeDatum, cell);
  
         appendStringInfoString(buf, sep);
         if (datum->kind == PARTITION_RANGE_DATUM_MINVALUE)
             appendStringInfoString(buf, "MINVALUE");
         else if (datum->kind == PARTITION_RANGE_DATUM_MAXVALUE)
             appendStringInfoString(buf, "MAXVALUE");
         else
         {
             Const      *val = castNode(Const, datum->value);
  
             get_const_expr(val, &context, -1);
         }
         sep = ", ";
     }
     appendStringInfoChar(buf, ')');
  
     return buf->data;
 }

References appendStringInfoChar(), appendStringInfoString(), buf, castNode, context, get_const_expr(), PartitionRangeDatum::kind, lfirst_node, makeStringInfo(), PARTITION_RANGE_DATUM_MAXVALUE, PARTITION_RANGE_DATUM_MINVALUE, val, and PartitionRangeDatum::value.

Referenced by check_new_partition_bound(), and get_rule_expr().

◆ pg_get_constraintdef_command()

char* pg_get_constraintdef_command ( Oid constraintId )

Definition at line 2178 of file ruleutils.c.

 {
     return pg_get_constraintdef_worker(constraintId, true, 0, false);
 }

References pg_get_constraintdef_worker().

Referenced by RememberConstraintForRebuilding().

◆ pg_get_indexdef_columns()

char* pg_get_indexdef_columns	(	Oid	indexrelid,
		bool	pretty
	)

Definition at line 1229 of file ruleutils.c.

 {
     int         prettyFlags;
  
     prettyFlags = GET_PRETTY_FLAGS(pretty);
  
     return pg_get_indexdef_worker(indexrelid, 0, NULL,
                                   true, true,
                                   false, false,
                                   prettyFlags, false);
 }

References GET_PRETTY_FLAGS, and pg_get_indexdef_worker().

Referenced by BuildIndexValueDescription().

◆ pg_get_indexdef_columns_extended()

char* pg_get_indexdef_columns_extended	(	Oid	indexrelid,
		bits16	flags
	)

Definition at line 1243 of file ruleutils.c.

 {
     bool        pretty = ((flags & RULE_INDEXDEF_PRETTY) != 0);
     bool        keys_only = ((flags & RULE_INDEXDEF_KEYS_ONLY) != 0);
     int         prettyFlags;
  
     prettyFlags = GET_PRETTY_FLAGS(pretty);
  
     return pg_get_indexdef_worker(indexrelid, 0, NULL,
                                   true, keys_only,
                                   false, false,
                                   prettyFlags, false);
 }

References GET_PRETTY_FLAGS, pg_get_indexdef_worker(), RULE_INDEXDEF_KEYS_ONLY, and RULE_INDEXDEF_PRETTY.

Referenced by gist_page_items().

◆ pg_get_indexdef_string()

char* pg_get_indexdef_string ( Oid indexrelid )

Definition at line 1219 of file ruleutils.c.

 {
     return pg_get_indexdef_worker(indexrelid, 0, NULL,
                                   false, false,
                                   true, true,
                                   0, false);
 }

References pg_get_indexdef_worker().

Referenced by RememberIndexForRebuilding().

◆ pg_get_partconstrdef_string()

char* pg_get_partconstrdef_string	(	Oid	partitionId,
		char *	aliasname
	)

Definition at line 2122 of file ruleutils.c.

 {
     Expr       *constr_expr;
     List       *context;
  
     constr_expr = get_partition_qual_relid(partitionId);
     context = deparse_context_for(aliasname, partitionId);
  
     return deparse_expression((Node *) constr_expr, context, true, false);
 }

References context, deparse_context_for(), deparse_expression(), and get_partition_qual_relid().

Referenced by RI_PartitionRemove_Check().

◆ pg_get_partkeydef_columns()

char* pg_get_partkeydef_columns	(	Oid	relid,
		bool	pretty
	)

Definition at line 1918 of file ruleutils.c.

 {
     int         prettyFlags;
  
     prettyFlags = GET_PRETTY_FLAGS(pretty);
  
     return pg_get_partkeydef_worker(relid, prettyFlags, true, false);
 }

References GET_PRETTY_FLAGS, and pg_get_partkeydef_worker().

Referenced by ExecBuildSlotPartitionKeyDescription().

◆ pg_get_querydef()

char* pg_get_querydef	(	Query *	query,
		bool	pretty
	)

Definition at line 1582 of file ruleutils.c.

 {
     StringInfoData buf;
     int         prettyFlags;
  
     prettyFlags = GET_PRETTY_FLAGS(pretty);
  
     initStringInfo(&buf);
  
     get_query_def(query, &buf, NIL, NULL, true,
                   prettyFlags, WRAP_COLUMN_DEFAULT, 0);
  
     return buf.data;
 }

References buf, GET_PRETTY_FLAGS, get_query_def(), initStringInfo(), NIL, and WRAP_COLUMN_DEFAULT.

◆ pg_get_statisticsobjdef_string()

char* pg_get_statisticsobjdef_string ( Oid statextid )

Definition at line 1621 of file ruleutils.c.

 {
     return pg_get_statisticsobj_worker(statextid, false, false);
 }

References pg_get_statisticsobj_worker().

Referenced by RememberStatisticsForRebuilding().

◆ select_rtable_names_for_explain()

List* select_rtable_names_for_explain	(	List *	rtable,
		Bitmapset *	rels_used
	)

Definition at line 3835 of file ruleutils.c.

 {
     deparse_namespace dpns;
  
     memset(&dpns, 0, sizeof(dpns));
     dpns.rtable = rtable;
     dpns.subplans = NIL;
     dpns.ctes = NIL;
     dpns.appendrels = NULL;
     set_rtable_names(&dpns, NIL, rels_used);
     /* We needn't bother computing column aliases yet */
  
     return dpns.rtable_names;
 }

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