PAL.C.T MINI SHELL
/*-------------------------------------------------------------------------
*
* prep.h
* prototypes for files in optimizer/prep/
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/prep.h,v 1.66 2009/05/12 00:56:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PREP_H
#define PREP_H
#include "nodes/plannodes.h"
#include "nodes/relation.h"
/*
* prototypes for prepjointree.c
*/
extern void pull_up_sublinks(PlannerInfo *root);
extern void inline_set_returning_functions(PlannerInfo *root);
extern Node *pull_up_subqueries(PlannerInfo *root, Node *jtnode,
JoinExpr *lowest_outer_join,
AppendRelInfo *containing_appendrel);
extern void reduce_outer_joins(PlannerInfo *root);
extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
extern Relids get_relids_for_join(PlannerInfo *root, int joinrelid);
/*
* prototypes for prepqual.c
*/
extern Expr *canonicalize_qual(Expr *qual);
/*
* prototypes for preptlist.c
*/
extern List *preprocess_targetlist(PlannerInfo *root, List *tlist);
/*
* prototypes for prepunion.c
*/
extern Plan *plan_set_operations(PlannerInfo *root, double tuple_fraction,
List **sortClauses);
extern void expand_inherited_tables(PlannerInfo *root);
extern Node *adjust_appendrel_attrs(Node *node, AppendRelInfo *appinfo);
#endif /* PREP_H */
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