pquery.h

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/*-------------------------------------------------------------------------
 *
 * pquery.h
 *    prototypes for pquery.c.
 *
 *
 * Portions Copyright (c) 1996-2020, 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,
                      bool run_once, DestReceiver *dest, DestReceiver *altdest,
                      char *completionTag);

extern uint64 PortalRunFetch(Portal portal,
                             FetchDirection fdirection,
                             long count,
                             DestReceiver *dest);

#endif                          /* PQUERY_H */