1 /*-------------------------------------------------------------------------
4 * prototypes for tlist.c.
7 * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
8 * Portions Copyright (c) 1994, Regents of the University of California
10 * $Id: tlist.h,v 1.26 2000/06/08 22:37:51 momjian Exp $
12 *-------------------------------------------------------------------------
17 #include "nodes/relation.h"
19 extern Resdom *tlist_member(Node *node, List *targetlist);
21 extern void add_var_to_tlist(RelOptInfo *rel, Var *var);
22 extern TargetEntry *create_tl_element(Var *var, int resdomno);
24 extern List *new_unsorted_tlist(List *targetlist);
25 extern List *flatten_tlist(List *tlist);
26 extern List *add_to_flat_tlist(List *tlist, List *vars);
28 extern Var *get_expr(TargetEntry *tle);
30 extern TargetEntry *get_sortgroupclause_tle(SortClause *sortClause,
32 extern Node *get_sortgroupclause_expr(SortClause *sortClause,