aboutsummaryrefslogtreecommitdiff
path: root/src/include/optimizer/prep.h
blob: 5040a32b8527792ba572f39ad44bf0162a744fa9 (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
/*-------------------------------------------------------------------------
 *
 * prep.h--
 *	  prototypes for files in prep.c
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: prep.h,v 1.8 1997/12/18 12:54:45 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PREP_H
#define PREP_H

#include <nodes/plannodes.h>
#include <nodes/parsenodes.h>

/*
 * prototypes for prepqual.h
 */
extern List *cnfify(Expr *qual, bool removeAndFlag);

/*
 * prototypes for preptlist.h
 */
extern List *
preprocess_targetlist(List *tlist, int command_type,
					  Index result_relation, List *range_table);

/*
 * prototypes for prepunion.h
 */
typedef enum UnionFlag
{
	INHERITS_FLAG, VERSION_FLAG
} UnionFlag;

extern List *
find_all_inheritors(List *unexamined_relids,
					List *examined_relids);
extern int	first_matching_rt_entry(List *rangetable, UnionFlag flag);
extern Append *
plan_union_queries(Index rt_index, Query *parse,
				   UnionFlag flag);

#endif							/* PREP_H */