1999-02-03 21:15:53 +01:00
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/*-------------------------------------------------------------------------
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*
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1999-02-14 00:22:53 +01:00
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* restrictinfo.h
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1999-02-03 21:15:53 +01:00
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* prototypes for restrictinfo.c.
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*
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*
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2004-12-31 23:04:05 +01:00
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* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
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2000-01-26 06:58:53 +01:00
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* Portions Copyright (c) 1994, Regents of the University of California
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1999-02-03 21:15:53 +01:00
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*
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2005-06-09 06:19:00 +02:00
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* $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.31 2005/06/09 04:19:00 tgl Exp $
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1999-02-03 21:15:53 +01:00
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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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2005-06-06 00:32:58 +02:00
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2005-06-09 06:19:00 +02:00
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extern RestrictInfo *make_restrictinfo(Expr *clause,
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bool is_pushed_down,
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bool valid_everywhere,
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Relids required_relids);
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2005-04-25 04:14:48 +02:00
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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 valid_everywhere);
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1999-07-25 01:21:14 +02:00
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extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
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1999-02-03 21:15:53 +01:00
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extern List *get_actual_clauses(List *restrictinfo_list);
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2000-09-12 23:07:18 +02:00
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extern void get_actual_join_clauses(List *restrictinfo_list,
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2001-03-22 05:01:46 +01:00
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List **joinquals, List **otherquals);
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2005-06-06 00:32:58 +02:00
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extern List *remove_redundant_join_clauses(PlannerInfo *root,
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2003-08-04 02:43:34 +02:00
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List *restrictinfo_list,
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2005-04-22 23:58:32 +02:00
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bool isouterjoin);
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2005-06-06 00:32:58 +02:00
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extern List *select_nonredundant_join_clauses(PlannerInfo *root,
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2003-08-04 02:43:34 +02:00
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List *restrictinfo_list,
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List *reference_list,
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2005-04-22 23:58:32 +02:00
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bool isouterjoin);
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2001-10-28 07:26:15 +01:00
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2001-11-05 18:46:40 +01:00
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#endif /* RESTRICTINFO_H */
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