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/*-------------------------------------------------------------------------
*
* command.h
* prototypes for command.c.
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: command.h,v 1.18 2000/04/12 17:16:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef COMMAND_H
#define COMMAND_H
#include "utils/portal.h"
extern MemoryContext PortalExecutorHeapMemory;
/*
* PerformPortalFetch
* Performs the POSTQUEL function FETCH. Fetches count (or all if 0)
* tuples in portal with name in the forward direction iff goForward.
*
* Exceptions:
* BadArg if forward invalid.
* "WARN" if portal not found.
*/
extern void PerformPortalFetch(char *name, bool forward, int count,
char *tag, CommandDest dest);
/*
* PerformPortalClose
* Performs the POSTQUEL function CLOSE.
*/
extern void PerformPortalClose(char *name, CommandDest dest);
extern void PortalCleanup(Portal portal);
/*
* ALTER TABLE variants
*/
extern void AlterTableAddColumn(const char *relationName,
bool inh, ColumnDef *colDef);
extern void AlterTableAlterColumn(const char *relationName,
bool inh, const char *colName,
Node *newDefault);
extern void AlterTableDropColumn(const char *relationName,
bool inh, const char *colName,
int behavior);
extern void AlterTableAddConstraint(const char *relationName,
bool inh, Node *newConstraint);
extern void AlterTableDropConstraint(const char *relationName,
bool inh, const char *constrName,
int behavior);
/*
* LOCK
*/
extern void LockTableCommand(LockStmt *lockstmt);
#endif /* COMMAND_H */
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