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Name	Size	Permission
clauses.h	2.88 KB	-rw-r--r--
cost.h	7.33 KB	-rw-r--r--
geqo.h	2.12 KB	-rw-r--r--
geqo_copy.h	966 B	-rw-r--r--
geqo_gene.h	1.09 KB	-rw-r--r--
geqo_misc.h	1.1 KB	-rw-r--r--
geqo_mutation.h	959 B	-rw-r--r--
geqo_pool.h	1.29 KB	-rw-r--r--
geqo_random.h	1.28 KB	-rw-r--r--
geqo_recombination.h	2.58 KB	-rw-r--r--
geqo_selection.h	1015 B	-rw-r--r--
joininfo.h	836 B	-rw-r--r--
pathnode.h	5.53 KB	-rw-r--r--
paths.h	6.83 KB	-rw-r--r--
placeholder.h	1.2 KB	-rw-r--r--
plancat.h	1.65 KB	-rw-r--r--
planmain.h	5.1 KB	-rw-r--r--
planner.h	1.33 KB	-rw-r--r--
predtest.h	668 B	-rw-r--r--
prep.h	1.73 KB	-rw-r--r--
restrictinfo.h	1.71 KB	-rw-r--r--
subselect.h	1.38 KB	-rw-r--r--
tlist.h	1.69 KB	-rw-r--r--
var.h	1.5 KB	-rw-r--r--

Code Editor : clauses.h

/*-------------------------------------------------------------------------
 *
 * clauses.h
 *	  prototypes for clauses.c.
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/optimizer/clauses.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef CLAUSES_H
#define CLAUSES_H

#include "nodes/relation.h"

#define is_opclause(clause)		((clause) != NULL && IsA(clause, OpExpr))
#define is_funcclause(clause)	((clause) != NULL && IsA(clause, FuncExpr))

typedef struct
{
	int			numWindowFuncs; /* total number of WindowFuncs found */
	Index		maxWinRef;		/* windowFuncs[] is indexed 0 .. maxWinRef */
	List	  **windowFuncs;	/* lists of WindowFuncs for each winref */
} WindowFuncLists;

extern Expr *make_opclause(Oid opno, Oid opresulttype, bool opretset,
			  Expr *leftop, Expr *rightop,
			  Oid opcollid, Oid inputcollid);
extern Node *get_leftop(const Expr *clause);
extern Node *get_rightop(const Expr *clause);

extern bool not_clause(Node *clause);
extern Expr *make_notclause(Expr *notclause);
extern Expr *get_notclausearg(Expr *notclause);

extern bool or_clause(Node *clause);
extern Expr *make_orclause(List *orclauses);

extern bool and_clause(Node *clause);
extern Expr *make_andclause(List *andclauses);
extern Node *make_and_qual(Node *qual1, Node *qual2);
extern Expr *make_ands_explicit(List *andclauses);
extern List *make_ands_implicit(Expr *clause);

extern bool contain_agg_clause(Node *clause);
extern void count_agg_clauses(PlannerInfo *root, Node *clause,
				  AggClauseCosts *costs);

extern bool contain_window_function(Node *clause);
extern WindowFuncLists *find_window_functions(Node *clause, Index maxWinRef);

extern double expression_returns_set_rows(Node *clause);
extern double tlist_returns_set_rows(List *tlist);

extern bool contain_subplans(Node *clause);

extern bool contain_mutable_functions(Node *clause);
extern bool contain_volatile_functions(Node *clause);
extern bool contain_nonstrict_functions(Node *clause);
extern bool contain_leaky_functions(Node *clause);

extern Relids find_nonnullable_rels(Node *clause);
extern List *find_nonnullable_vars(Node *clause);
extern List *find_forced_null_vars(Node *clause);
extern Var *find_forced_null_var(Node *clause);

extern bool is_pseudo_constant_clause(Node *clause);
extern bool is_pseudo_constant_clause_relids(Node *clause, Relids relids);

extern int	NumRelids(Node *clause);

extern void CommuteOpExpr(OpExpr *clause);
extern void CommuteRowCompareExpr(RowCompareExpr *clause);

extern Node *strip_implicit_coercions(Node *node);

extern Node *eval_const_expressions(PlannerInfo *root, Node *node);

extern Node *estimate_expression_value(PlannerInfo *root, Node *node);

extern Query *inline_set_returning_function(PlannerInfo *root,
							  RangeTblEntry *rte);

#endif   /* CLAUSES_H */

${this.title}

Code Editor : clauses.h