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47 lines
1.6 KiB
C
47 lines
1.6 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) 1996-2011, 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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* src/include/optimizer/restrictinfo.h
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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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/* Convenience macro for the common case of a valid-everywhere qual */
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#define make_simple_restrictinfo(clause) \
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make_restrictinfo(clause, true, false, false, NULL, NULL)
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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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Relids nullable_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 List *make_restrictinfos_from_actual_clauses(PlannerInfo *root,
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List *clause_list);
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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 *get_all_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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Path *inner_path);
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#endif /* RESTRICTINFO_H */
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