parse_target.h

来自「PostgreSQL 8.2中增加了很多企业用户所需要的功能和性能上的提高,其开」· C头文件 代码 · 共 42 行

/*-------------------------------------------------------------------------
 *
 * parse_target.h
 *	  handle target lists
 *
 *
 * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $PostgreSQL: pgsql/src/include/parser/parse_target.h,v 1.41 2006/08/02 01:59:48 joe Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PARSE_TARGET_H
#define PARSE_TARGET_H

#include "parser/parse_node.h"


extern List *transformTargetList(ParseState *pstate, List *targetlist);
extern List *transformExpressionList(ParseState *pstate, List *exprlist);
extern void markTargetListOrigins(ParseState *pstate, List *targetlist);
extern TargetEntry *transformTargetEntry(ParseState *pstate,
					 Node *node, Node *expr,
					 char *colname, bool resjunk);
extern Expr *transformAssignedExpr(ParseState *pstate, Expr *expr,
					  char *colname,
					  int attrno,
					  List *indirection,
					  int location);
extern void updateTargetListEntry(ParseState *pstate, TargetEntry *tle,
					  char *colname, int attrno,
					  List *indirection,
					  int location);
extern List *checkInsertTargets(ParseState *pstate, List *cols,
				   List **attrnos);
extern TupleDesc expandRecordVariable(ParseState *pstate, Var *var,
					 int levelsup);
extern char *FigureColname(Node *node);

#endif   /* PARSE_TARGET_H */