postgresql/src/include/optimizer/tlist.h

37 lines
1.2 KiB
C

/*-------------------------------------------------------------------------
*
* tlist.h--
* prototypes for tlist.c.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: tlist.h,v 1.3 1997/09/07 04:59:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef TLIST_H
#define TLIST_H
extern int exec_tlist_length(List * targelist);
extern TargetEntry *tlistentry_member(Var * var, List * targetlist);
extern Expr *matching_tlvar(Var * var, List * targetlist);
extern void add_tl_element(Rel * rel, Var * var);
extern TargetEntry *create_tl_element(Var * var, int resdomno);
extern List *get_actual_tlist(List * tlist);
extern Resdom *tlist_member(Var * var, List * tlist);
extern Resdom *tlist_resdom(List * tlist, Resdom * resnode);
extern TargetEntry *MakeTLE(Resdom * resdom, Node * expr);
extern Var *get_expr(TargetEntry * tle);
extern TargetEntry *match_varid(Var * test_var, List * tlist);
extern List *new_unsorted_tlist(List * targetlist);
extern List *copy_vars(List * target, List * source);
extern List *flatten_tlist(List * tlist);
extern List *
flatten_tlist_vars(List * full_tlist,
List * flat_tlist);
#endif /* TLIST_H */