/*-------------------------------------------------------------------------
 *
 * rewriteHandler.h
 *		External interface to query rewriter.
 *
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/rewrite/rewriteHandler.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef REWRITEHANDLER_H
#define REWRITEHANDLER_H

#include "utils/relcache.h"
#include "nodes/parsenodes.h"

extern List *QueryRewrite(Query *parsetree);
extern void AcquireRewriteLocks(Query *parsetree,
					bool forExecute,
					bool forUpdatePushedDown);

extern Node *build_column_default(Relation rel, int attrno);
extern void rewriteTargetListUD(Query *parsetree, RangeTblEntry *target_rte,
					Relation target_relation);

extern Query *get_view_query(Relation view);
extern const char *view_query_is_auto_updatable(Query *viewquery,
							 bool check_cols);
extern int relation_is_updatable(Oid reloid,
					  bool include_triggers,
					  Bitmapset *include_cols);

#endif   /* REWRITEHANDLER_H */
