/* ----------------------------------------------------------------
 *   FILE
 *	joinrels.h
 *
 *   DESCRIPTION
 *	prototypes for joinrels.c.
 *
 *   NOTES
 *	Automatically generated using mkproto
 *
 *   IDENTIFICATION
 *	$Header: /faerie/aoki/postgres/src/backend/planner/RCS/joinrels.h,v 1.7 1993/11/03 04:12:05 aoki Exp $
 * ----------------------------------------------------------------
 */

#ifndef joinrelsIncluded		/* include this file only once */
#define joinrelsIncluded	1

extern LispValue find_join_rels ARGS((LispValue outer_rels));
extern LispValue find_clause_joins ARGS((Rel outer_rel, List joininfo_list));
extern LispValue find_clauseless_joins ARGS((Rel outer_rel, List inner_rels));
extern Rel init_join_rel ARGS((Rel outer_rel, Rel inner_rel, JInfo joininfo));
extern LispValue new_join_tlist ARGS((LispValue tlist, LispValue other_relids, int first_resdomno));
extern LispValue new_joininfo_list ARGS((LispValue joininfo_list, LispValue join_relids));
extern LispValue add_new_joininfos ARGS((LispValue joinrels, LispValue outerrels));
extern LispValue final_join_rels ARGS((LispValue join_rel_list));
extern void add_superrels ARGS((Rel rel, Rel super_rel));
extern bool nonoverlap_rels ARGS((Rel rel1, Rel rel2));
extern bool nonoverlap_sets ARGS((LispValue s1, LispValue s2));
extern void cleanup_joininfos ARGS((LispValue outer_rels));

#endif /* joinrelsIncluded */