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[postgresql] / src / include / optimizer / prep.h
1 /*-------------------------------------------------------------------------
2  *
3  * prep.h
4  *        prototypes for files in optimizer/prep/
5  *
6  *
7  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/optimizer/prep.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PREP_H
15 #define PREP_H
16
17 #include "nodes/plannodes.h"
18 #include "nodes/relation.h"
19
20
21 /*
22  * prototypes for prepjointree.c
23  */
24 extern void replace_empty_jointree(Query *parse);
25 extern void pull_up_sublinks(PlannerInfo *root);
26 extern void inline_set_returning_functions(PlannerInfo *root);
27 extern void pull_up_subqueries(PlannerInfo *root);
28 extern void flatten_simple_union_all(PlannerInfo *root);
29 extern void reduce_outer_joins(PlannerInfo *root);
30 extern void remove_useless_result_rtes(PlannerInfo *root);
31 extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
32 extern Relids get_relids_for_join(PlannerInfo *root, int joinrelid);
33
34 /*
35  * prototypes for prepqual.c
36  */
37 extern Node *negate_clause(Node *node);
38 extern Expr *canonicalize_qual(Expr *qual, bool is_check);
39
40 /*
41  * prototypes for preptlist.c
42  */
43 extern List *preprocess_targetlist(PlannerInfo *root);
44
45 extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
46
47 /*
48  * prototypes for prepunion.c
49  */
50 extern RelOptInfo *plan_set_operations(PlannerInfo *root);
51
52 #endif                                                  /* PREP_H */