71ed7eb494
pghackers discussion of 5-Jan-2000. The amopselect and amopnpages estimators are gone, and in their place is a per-AM amcostestimate procedure (linked to from pg_am, not pg_amop).
38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* plancat.h
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* prototypes for plancat.c.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: plancat.h,v 1.16 2000/01/22 23:50:27 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PLANCAT_H
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#define PLANCAT_H
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#include "nodes/relation.h"
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extern void relation_info(Query *root, Index relid,
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bool *hasindex, long *pages, double *tuples);
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extern List *find_secondary_indexes(Query *root, Index relid);
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extern List *find_inheritance_children(Oid inhparent);
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extern Selectivity restriction_selectivity(Oid functionObjectId,
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Oid operatorObjectId,
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Oid relationObjectId,
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AttrNumber attributeNumber,
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Datum constValue,
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int constFlag);
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extern Selectivity join_selectivity(Oid functionObjectId, Oid operatorObjectId,
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Oid relationObjectId1, AttrNumber attributeNumber1,
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Oid relationObjectId2, AttrNumber attributeNumber2);
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#endif /* PLANCAT_H */
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