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/pathnodes.h"
18#include "nodes/plannodes.h"
19
20
21/*
22 * prototypes for prepjointree.c
23 */
24extern void replace_empty_jointree(Query *parse);
25extern void pull_up_sublinks(PlannerInfo *root);
26extern void inline_set_returning_functions(PlannerInfo *root);
27extern void pull_up_subqueries(PlannerInfo *root);
28extern void flatten_simple_union_all(PlannerInfo *root);
29extern void reduce_outer_joins(PlannerInfo *root);
30extern void remove_useless_result_rtes(PlannerInfo *root);
31extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
32extern Relids get_relids_for_join(Query *query, int joinrelid);
33
34/*
35 * prototypes for preptlist.c
36 */
37extern List *preprocess_targetlist(PlannerInfo *root);
38
39extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
40
41/*
42 * prototypes for prepunion.c
43 */
44extern RelOptInfo *plan_set_operations(PlannerInfo *root);
45
46#endif /* PREP_H */
47