blob: 6c5203dc448abaaf97b8df1cca95cc2424dce77a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*-------------------------------------------------------------------------
*
* clauses.h
* prototypes for clauses.c.
*
*
* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/clauses.h
*
*-------------------------------------------------------------------------
*/
#ifndef CLAUSES_H
#define CLAUSES_H
#include "nodes/pathnodes.h"
typedef struct
{
int numWindowFuncs; /* total number of WindowFuncs found */
Index maxWinRef; /* windowFuncs[] is indexed 0 .. maxWinRef */
List **windowFuncs; /* lists of WindowFuncs for each winref */
} WindowFuncLists;
extern bool contain_agg_clause(Node *clause);
extern bool contain_window_function(Node *clause);
extern WindowFuncLists *find_window_functions(Node *clause, Index maxWinRef);
extern double expression_returns_set_rows(PlannerInfo *root, Node *clause);
extern bool contain_subplans(Node *clause);
extern char max_parallel_hazard(Query *parse);
extern bool is_parallel_safe(PlannerInfo *root, Node *node);
extern bool contain_nonstrict_functions(Node *clause);
extern bool contain_exec_param(Node *clause, List *param_ids);
extern bool contain_leaked_vars(Node *clause);
extern Relids find_nonnullable_rels(Node *clause);
extern List *find_nonnullable_vars(Node *clause);
extern List *find_forced_null_vars(Node *clause);
extern Var *find_forced_null_var(Node *clause);
extern bool is_pseudo_constant_clause(Node *clause);
extern bool is_pseudo_constant_clause_relids(Node *clause, Relids relids);
extern int NumRelids(PlannerInfo *root, Node *clause);
extern void CommuteOpExpr(OpExpr *clause);
extern Query *inline_set_returning_function(PlannerInfo *root,
RangeTblEntry *rte);
extern Bitmapset *pull_paramids(Expr *expr);
#endif /* CLAUSES_H */
|
