command.h
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- /*-------------------------------------------------------------------------
- *
- * command.h
- * prototypes for command.c.
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: command.h,v 1.14.2.1 1999/07/30 18:52:55 scrappy 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);
- /*
- * PerformAddAttribute
- * Performs the POSTQUEL function ADD.
- */
- extern void PerformAddAttribute(char *relationName, char *userName,
- bool inh, ColumnDef *colDef);
- extern void LockTableCommand(LockStmt *lockstmt);
- #endif /* COMMAND_H */