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clauses.h
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1/*-------------------------------------------------------------------------
2 *
3 * clauses.h
4 * prototypes for clauses.c.
5 *
6 *
7 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/optimizer/clauses.h
11 *
12 *-------------------------------------------------------------------------
13 */
14#ifndef CLAUSES_H
15#define CLAUSES_H
16
17#include "nodes/pathnodes.h"
18
19typedef struct
20{
21 int numWindowFuncs; /* total number of WindowFuncs found */
22 Index maxWinRef; /* windowFuncs[] is indexed 0 .. maxWinRef */
23 List **windowFuncs; /* lists of WindowFuncs for each winref */
25
26extern bool contain_agg_clause(Node *clause);
27
28extern bool contain_window_function(Node *clause);
29extern WindowFuncLists *find_window_functions(Node *clause, Index maxWinRef);
30
31extern double expression_returns_set_rows(PlannerInfo *root, Node *clause);
32
33extern bool contain_subplans(Node *clause);
34
35extern char max_parallel_hazard(Query *parse);
36extern bool is_parallel_safe(PlannerInfo *root, Node *node);
37extern bool contain_nonstrict_functions(Node *clause);
38extern bool contain_exec_param(Node *clause, List *param_ids);
39extern bool contain_leaked_vars(Node *clause);
40
41extern Relids find_nonnullable_rels(Node *clause);
42extern List *find_nonnullable_vars(Node *clause);
43extern List *find_forced_null_vars(Node *node);
44extern Var *find_forced_null_var(Node *node);
45
46extern bool is_pseudo_constant_clause(Node *clause);
47extern bool is_pseudo_constant_clause_relids(Node *clause, Relids relids);
48
49extern int NumRelids(PlannerInfo *root, Node *clause);
50
51extern void CommuteOpExpr(OpExpr *clause);
52
54 RangeTblEntry *rte);
55
56extern Bitmapset *pull_paramids(Expr *expr);
57
58#endif /* CLAUSES_H */
unsigned int Index
Definition: c.h:571
List * find_forced_null_vars(Node *node)
Definition: clauses.c:1916
Query * inline_set_returning_function(PlannerInfo *root, RangeTblEntry *rte)
Definition: clauses.c:5066
bool contain_agg_clause(Node *clause)
Definition: clauses.c:177
int NumRelids(PlannerInfo *root, Node *clause)
Definition: clauses.c:2130
bool is_pseudo_constant_clause(Node *clause)
Definition: clauses.c:2088
bool contain_window_function(Node *clause)
Definition: clauses.c:214
Var * find_forced_null_var(Node *node)
Definition: clauses.c:1977
bool is_pseudo_constant_clause_relids(Node *clause, Relids relids)
Definition: clauses.c:2108
WindowFuncLists * find_window_functions(Node *clause, Index maxWinRef)
Definition: clauses.c:227
bool contain_leaked_vars(Node *clause)
Definition: clauses.c:1262
List * find_nonnullable_vars(Node *clause)
Definition: clauses.c:1707
Relids find_nonnullable_rels(Node *clause)
Definition: clauses.c:1456
char max_parallel_hazard(Query *parse)
Definition: clauses.c:733
bool is_parallel_safe(PlannerInfo *root, Node *node)
Definition: clauses.c:752
bool contain_nonstrict_functions(Node *clause)
Definition: clauses.c:992
bool contain_subplans(Node *clause)
Definition: clauses.c:329
Bitmapset * pull_paramids(Expr *expr)
Definition: clauses.c:5419
void CommuteOpExpr(OpExpr *clause)
Definition: clauses.c:2147
double expression_returns_set_rows(PlannerInfo *root, Node *clause)
Definition: clauses.c:288
bool contain_exec_param(Node *clause, List *param_ids)
Definition: clauses.c:1136
tree ctl root
Definition: radixtree.h:1857
static struct subre * parse(struct vars *v, int stopper, int type, struct state *init, struct state *final)
Definition: regcomp.c:717
Definition: pg_list.h:54
Definition: nodes.h:129
Definition: primnodes.h:262
List ** windowFuncs
Definition: clauses.h:23
Index maxWinRef
Definition: clauses.h:22
int numWindowFuncs
Definition: clauses.h:21