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/*-------------------------------------------------------------------------
*
* prep.h
* prototypes for files in optimizer/prep/
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: prep.h,v 1.19 1999/09/13 00:17:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PREP_H
#define PREP_H
#include "nodes/parsenodes.h"
#include "nodes/plannodes.h"
/*
* prototypes for prepqual.c
*/
extern List *canonicalize_qual(Expr *qual, bool removeAndFlag);
extern List *cnfify(Expr *qual, bool removeAndFlag);
extern Expr *dnfify(Expr *qual);
/*
* prototypes for preptlist.c
*/
extern List *preprocess_targetlist(List *tlist, int command_type,
Index result_relation, List *range_table);
/*
* prototypes for prepunion.c
*/
extern List *find_all_inheritors(List *unexamined_relids,
List *examined_relids);
extern int first_inherit_rt_entry(List *rangetable);
extern Append *plan_union_queries(Query *parse);
extern Append *plan_inherit_queries(Query *parse, List *tlist, Index rt_index);
#endif /* PREP_H */
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