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//usr/include/pgsql/server/tcop/pquery.h

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

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

extern PGDLLIMPORT Portal ActivePortal;

extern PortalStrategy ChoosePortalStrategy(List *stmts);

extern List *FetchPortalTargetList(Portal portal);

extern List *FetchStatementTargetList(Node *stmt);

extern void PortalStart(Portal portal, ParamListInfo params,
			int eflags, Snapshot snapshot);

extern void PortalSetResultFormat(Portal portal, int nFormats,
					  int16 *formats);

extern bool PortalRun(Portal portal, long count, bool isTopLevel,
		  DestReceiver *dest, DestReceiver *altdest,
		  char *completionTag);

extern long PortalRunFetch(Portal portal,
			   FetchDirection fdirection,
			   long count,
			   DestReceiver *dest);

#endif   /* PQUERY_H */