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/*-------------------------------------------------------------------------
*
* plancat.h
* prototypes for plancat.c.
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: plancat.h,v 1.22 2001/03/22 04:00:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PLANCAT_H
#define PLANCAT_H
#include "nodes/relation.h"
extern void relation_info(Oid relationObjectId,
bool *hasindex, long *pages, double *tuples);
extern List *find_secondary_indexes(Oid relationObjectId);
extern List *find_inheritance_children(Oid inhparent);
extern bool has_subclass(Oid relationId);
extern Selectivity restriction_selectivity(Oid functionObjectId,
Oid operatorObjectId,
Oid relationObjectId,
AttrNumber attributeNumber,
Datum constValue,
int constFlag);
extern Selectivity join_selectivity(Oid functionObjectId, Oid operatorObjectId,
Oid relationObjectId1, AttrNumber attributeNumber1,
Oid relationObjectId2, AttrNumber attributeNumber2);
#endif /* PLANCAT_H */
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