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- /* $Header: /private/postgres/src/lib/H/planner/RCS/handleunion.h,v 1.6 1991/11/18 17:30:26 mer Exp $ */
-
- extern List handleunion ARGS((List root, List rangetable, List tlist, List qual));
- extern List SplitTlistQual ARGS(( List root, List rangetable,List tlist, List qual));
- extern List SplitTlist ARGS((List unionlist, List tlist));
- extern List find_union_vars ARGS((List tlist));
- extern List find_union_sets ARGS((List tlist));
- extern List collect_union_sets ARGS((List tlist, List qual));
- extern List collect_tlist_uset ARGS((List args));
- extern void split_tlexpr ARGS((List clauses, List varnum));
- extern List find_qual_union_sets ARGS((List qual));
- extern List flatten_union_list ARGS((List ulist));
- extern List remove_subsets ARGS((List usets));
- extern List SplitQual ARGS((List ulist, List uqual));
- extern void match_union_clause ARGS((List unionlist, List *leftop, List *rightop));
- extern List find_matching_union_qual ARGS((List ulist, List qual));
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