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
|
/*-------------------------------------------------------------------------
*
* rewriteManip.h
* Querytree manipulation subroutines for query rewriter.
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/rewrite/rewriteManip.h,v 1.50 2009/06/11 14:49:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef REWRITEMANIP_H
#define REWRITEMANIP_H
#include "nodes/parsenodes.h"
extern void OffsetVarNodes(Node *node, int offset, int sublevels_up);
extern void ChangeVarNodes(Node *node, int old_varno, int new_varno,
int sublevels_up);
extern void IncrementVarSublevelsUp(Node *node, int delta_sublevels_up,
int min_sublevels_up);
extern void IncrementVarSublevelsUp_rtable(List *rtable,
int delta_sublevels_up, int min_sublevels_up);
extern bool rangeTableEntry_used(Node *node, int rt_index,
int sublevels_up);
extern bool attribute_used(Node *node, int rt_index, int attno,
int sublevels_up);
extern Query *getInsertSelectQuery(Query *parsetree, Query ***subquery_ptr);
extern void AddQual(Query *parsetree, Node *qual);
extern void AddInvertedQual(Query *parsetree, Node *qual);
extern bool contain_aggs_of_level(Node *node, int levelsup);
extern int locate_agg_of_level(Node *node, int levelsup);
extern int locate_windowfunc(Node *node);
extern bool checkExprHasAggs(Node *node);
extern bool checkExprHasWindowFuncs(Node *node);
extern bool checkExprHasSubLink(Node *node);
extern Node *ResolveNew(Node *node, int target_varno, int sublevels_up,
RangeTblEntry *target_rte,
List *targetlist, int event, int update_varno);
#endif /* REWRITEMANIP_H */
|
