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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 3043 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_partition_constraintdef(), pg_get_partkeydef_worker(), StoreAttrDefault(), StoreRelCheck(), and transformPartitionBound().

3044 {
3045  deparse_namespace *dpns;
3046  RangeTblEntry *rte;
3047 
3048  dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
3049 
3050  /* Build a minimal RTE for the rel */
3051  rte = makeNode(RangeTblEntry);
3052  rte->rtekind = RTE_RELATION;
3053  rte->relid = relid;
3054  rte->relkind = RELKIND_RELATION; /* no need for exactness here */
3055  rte->alias = makeAlias(aliasname, NIL);
3056  rte->eref = rte->alias;
3057  rte->lateral = false;
3058  rte->inh = false;
3059  rte->inFromCl = true;
3060 
3061  /* Build one-element rtable */
3062  dpns->rtable = list_make1(rte);
3063  dpns->ctes = NIL;
3064  set_rtable_names(dpns, NIL, NULL);
3066 
3067  /* Return a one-deep namespace stack */
3068  return list_make1(dpns);
3069 }
#define NIL
Definition: pg_list.h:69
Alias * alias
Definition: parsenodes.h:1042
#define list_make1(x1)
Definition: pg_list.h:139
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:3187
void * palloc0(Size size)
Definition: mcxt.c:878
#define makeNode(_type_)
Definition: nodes.h:557
#define NULL
Definition: c.h:229
static void set_simple_column_names(deparse_namespace *dpns)
Definition: ruleutils.c:3400
RTEKind rtekind
Definition: parsenodes.h:944
Alias * eref
Definition: parsenodes.h:1043
#define RELKIND_RELATION
Definition: pg_class.h:160
List* deparse_context_for_plan_rtable ( List rtable,
List rtable_names 
)

Definition at line 3085 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().

3086 {
3087  deparse_namespace *dpns;
3088 
3089  dpns = (deparse_namespace *) palloc0(sizeof(deparse_namespace));
3090 
3091  /* Initialize fields that stay the same across the whole plan tree */
3092  dpns->rtable = rtable;
3093  dpns->rtable_names = rtable_names;
3094  dpns->ctes = NIL;
3095 
3096  /*
3097  * Set up column name aliases. We will get rather bogus results for join
3098  * RTEs, but that doesn't matter because plan trees don't contain any join
3099  * alias Vars.
3100  */
3102 
3103  /* Return a one-deep namespace stack */
3104  return list_make1(dpns);
3105 }
#define NIL
Definition: pg_list.h:69
List * rtable_names
Definition: ruleutils.c:150
#define list_make1(x1)
Definition: pg_list.h:139
void * palloc0(Size size)
Definition: mcxt.c:878
static void set_simple_column_names(deparse_namespace *dpns)
Definition: ruleutils.c:3400
char* deparse_expression ( Node expr,
List dpcontext,
bool  forceprefix,
bool  showimplicit 
)

Definition at line 2984 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().

2986 {
2987  return deparse_expression_pretty(expr, dpcontext, forceprefix,
2988  showimplicit, 0, 0);
2989 }
static char * deparse_expression_pretty(Node *expr, List *dpcontext, bool forceprefix, bool showimplicit, int prettyFlags, int startIndent)
Definition: ruleutils.c:3011
char* generate_collation_name ( Oid  collid)

Definition at line 10812 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().

10813 {
10814  HeapTuple tp;
10815  Form_pg_collation colltup;
10816  char *collname;
10817  char *nspname;
10818  char *result;
10819 
10820  tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));
10821  if (!HeapTupleIsValid(tp))
10822  elog(ERROR, "cache lookup failed for collation %u", collid);
10823  colltup = (Form_pg_collation) GETSTRUCT(tp);
10824  collname = NameStr(colltup->collname);
10825 
10826  if (!CollationIsVisible(collid))
10827  nspname = get_namespace_name(colltup->collnamespace);
10828  else
10829  nspname = NULL;
10830 
10831  result = quote_qualified_identifier(nspname, collname);
10832 
10833  ReleaseSysCache(tp);
10834 
10835  return result;
10836 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
return result
Definition: formatting.c:1633
#define SearchSysCache1(cacheId, key1)
Definition: syscache.h:156
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define ERROR
Definition: elog.h:43
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3033
bool CollationIsVisible(Oid collid)
Definition: namespace.c:2008
char * quote_qualified_identifier(const char *qualifier, const char *ident)
Definition: ruleutils.c:10490
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1117
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
#define NULL
Definition: c.h:229
FormData_pg_collation * Form_pg_collation
Definition: pg_collation.h:52
#define NameStr(name)
Definition: c.h:499
#define elog
Definition: elog.h:219
char* pg_get_constraintdef_command ( Oid  constraintId)

Definition at line 1813 of file ruleutils.c.

References pg_get_constraintdef_worker().

Referenced by ATExecAlterColumnType().

1814 {
1815  return pg_get_constraintdef_worker(constraintId, true, 0, false);
1816 }
static char * pg_get_constraintdef_worker(Oid constraintId, bool fullCommand, int prettyFlags, bool missing_ok)
Definition: ruleutils.c:1822
char* pg_get_indexdef_columns ( Oid  indexrelid,
bool  pretty 
)

Definition at line 1130 of file ruleutils.c.

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

Referenced by BuildIndexValueDescription().

1131 {
1132  int prettyFlags;
1133 
1134  prettyFlags = pretty ? PRETTYFLAG_PAREN | PRETTYFLAG_INDENT : PRETTYFLAG_INDENT;
1135  return pg_get_indexdef_worker(indexrelid, 0, NULL, true, false,
1136  prettyFlags, false);
1137 }
#define PRETTYFLAG_INDENT
Definition: ruleutils.c:90
#define NULL
Definition: c.h:229
#define PRETTYFLAG_PAREN
Definition: ruleutils.c:89
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:1146
char* pg_get_indexdef_string ( Oid  indexrelid)

Definition at line 1123 of file ruleutils.c.

References NULL, and pg_get_indexdef_worker().

Referenced by ATExecAlterColumnType().

1124 {
1125  return pg_get_indexdef_worker(indexrelid, 0, NULL, false, true, 0, false);
1126 }
#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:1146
char* pg_get_partkeydef_columns ( Oid  relid,
bool  pretty 
)

Definition at line 1571 of file ruleutils.c.

References pg_get_partkeydef_worker(), PRETTYFLAG_INDENT, and PRETTYFLAG_PAREN.

Referenced by ExecBuildSlotPartitionKeyDescription().

1572 {
1573  int prettyFlags;
1574 
1575  prettyFlags = pretty ? PRETTYFLAG_PAREN | PRETTYFLAG_INDENT : PRETTYFLAG_INDENT;
1576  return pg_get_partkeydef_worker(relid, prettyFlags, true, false);
1577 }
#define PRETTYFLAG_INDENT
Definition: ruleutils.c:90
static char * pg_get_partkeydef_worker(Oid relid, int prettyFlags, bool attrsOnly, bool missing_ok)
Definition: ruleutils.c:1583
#define PRETTYFLAG_PAREN
Definition: ruleutils.c:89
List* select_rtable_names_for_explain ( List rtable,
Bitmapset rels_used 
)

Definition at line 3160 of file ruleutils.c.

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

Referenced by ExplainPrintPlan().

3161 {
3162  deparse_namespace dpns;
3163 
3164  memset(&dpns, 0, sizeof(dpns));
3165  dpns.rtable = rtable;
3166  dpns.ctes = NIL;
3167  set_rtable_names(&dpns, NIL, rels_used);
3168  /* We needn't bother computing column aliases yet */
3169 
3170  return dpns.rtable_names;
3171 }
#define NIL
Definition: pg_list.h:69
List * rtable_names
Definition: ruleutils.c:150
static void set_rtable_names(deparse_namespace *dpns, List *parent_namespaces, Bitmapset *rels_used)
Definition: ruleutils.c:3187
List* set_deparse_context_planstate ( List dpcontext,
Node planstate,
List ancestors 
)

Definition at line 3136 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().

3138 {
3139  deparse_namespace *dpns;
3140 
3141  /* Should always have one-entry namespace list for Plan deparsing */
3142  Assert(list_length(dpcontext) == 1);
3143  dpns = (deparse_namespace *) linitial(dpcontext);
3144 
3145  /* Set our attention on the specific plan node passed in */
3146  set_deparse_planstate(dpns, (PlanState *) planstate);
3147  dpns->ancestors = ancestors;
3148 
3149  return dpcontext;
3150 }
static void set_deparse_planstate(deparse_namespace *dpns, PlanState *ps)
Definition: ruleutils.c:4422
#define linitial(l)
Definition: pg_list.h:111
#define Assert(condition)
Definition: c.h:675
static int list_length(const List *l)
Definition: pg_list.h:89