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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* restrictinfo.h
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* prototypes for restrictinfo.c.
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*
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*
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* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.41 2008/01/01 19:45:58 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef RESTRICTINFO_H
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#define RESTRICTINFO_H
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#include "nodes/relation.h"
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extern RestrictInfo *make_restrictinfo(Expr *clause,
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bool is_pushed_down,
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bool outerjoin_delayed,
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bool pseudoconstant,
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Relids required_relids);
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extern List *make_restrictinfo_from_bitmapqual(Path *bitmapqual,
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bool is_pushed_down,
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bool include_predicates);
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extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
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extern List *get_actual_clauses(List *restrictinfo_list);
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extern List *extract_actual_clauses(List *restrictinfo_list,
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bool pseudoconstant);
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extern void extract_actual_join_clauses(List *restrictinfo_list,
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List **joinquals,
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List **otherquals);
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extern List *select_nonredundant_join_clauses(PlannerInfo *root,
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List *restrictinfo_list,
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List *reference_list);
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#endif /* RESTRICTINFO_H */
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