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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
| commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
| tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /src/include/optimizer/clauses.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip | |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/optimizer/clauses.h')
| -rw-r--r-- | src/include/optimizer/clauses.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/include/optimizer/clauses.h b/src/include/optimizer/clauses.h new file mode 100644 index 0000000..e71b06b --- /dev/null +++ b/src/include/optimizer/clauses.h @@ -0,0 +1,60 @@ +/*------------------------------------------------------------------------- + * + * clauses.h + * prototypes for clauses.c. + * + * + * Portions Copyright (c) 1996-2020, 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 "access/htup.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 void get_agg_clause_costs(PlannerInfo *root, Node *clause, + AggSplit aggsplit, AggClauseCosts *costs); + +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(Node *clause); +extern int NumRelids_new(PlannerInfo *root, Node *clause); + +extern void CommuteOpExpr(OpExpr *clause); + +extern Query *inline_set_returning_function(PlannerInfo *root, + RangeTblEntry *rte); + +#endif /* CLAUSES_H */ |