mirror of
https://git.postgresql.org/git/postgresql.git
synced 2026-02-22 06:17:00 +08:00
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* tlist.h
|
|
* prototypes for tlist.c.
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $PostgreSQL: pgsql/src/include/optimizer/tlist.h,v 1.39 2003/11/29 22:41:07 pgsql Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef TLIST_H
|
|
#define TLIST_H
|
|
|
|
#include "nodes/relation.h"
|
|
|
|
|
|
extern TargetEntry *tlistentry_member(Node *node, List *targetlist);
|
|
extern Resdom *tlist_member(Node *node, List *targetlist);
|
|
|
|
extern TargetEntry *create_tl_element(Var *var, int resdomno);
|
|
|
|
extern List *flatten_tlist(List *tlist);
|
|
extern List *add_to_flat_tlist(List *tlist, List *vars);
|
|
|
|
extern TargetEntry *get_sortgroupclause_tle(SortClause *sortClause,
|
|
List *targetList);
|
|
extern Node *get_sortgroupclause_expr(SortClause *sortClause,
|
|
List *targetList);
|
|
extern List *get_sortgrouplist_exprs(List *sortClauses,
|
|
List *targetList);
|
|
|
|
#endif /* TLIST_H */
|