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- /* $Header: /private/postgres/src/lib/H/planner/RCS/pathnode.h,v 1.6 1991/11/15 16:23:03 hong Exp $ */
-
- #include "tmp/c.h"
- #include "nodes/pg_lisp.h"
-
- extern bool path_is_cheaper ARGS((Path path1, Path path2));
- extern Path cheaper_path ARGS((Path path1, Path path2));
- extern Path set_cheapest ARGS((Rel parent_rel, List pathlist));
- extern LispValue add_pathlist ARGS((Rel parent_rel, LispValue unique_paths, LispValue new_paths));
- extern LispValue better_path ARGS((Path new_path, LispValue unique_paths));
- extern Path create_seqscan_path ARGS((Rel rel));
- extern IndexPath create_index_path ARGS((Rel rel, Rel index, LispValue restriction_clauses, bool is_join_scan));
- extern JoinPath create_nestloop_path ARGS((Rel joinrel, Rel outer_rel, Path outer_path, Path inner_path, LispValue keys));
- extern MergePath create_mergesort_path ARGS((Rel joinrel, Count outersize, Count innersize, Count outerwidth, Count innerwidth, Path outer_path, Path inner_path, LispValue keys, LispValue order, LispValue mergeclauses, LispValue outersortkeys, LispValue innersortkeys));
- extern HashPath create_hashjoin_path ARGS((Rel joinrel, Count outersize, Count innersize, Count outerwidth, Count innerwidth, Path outer_path, Path inner_path, LispValue keys, ObjectId operator, LispValue hashclauses, LispValue outerkeys, LispValue innerkeys));
-