value.c

来自「PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统」· C语言 代码 · 共 76 行

/*-------------------------------------------------------------------------
 *
 * value.c
 *	  implementation of Value nodes
 *
 *
 * Copyright (c) 2003-2005, PostgreSQL Global Development Group
 *
 *
 * IDENTIFICATION
 *	  $PostgreSQL: pgsql/src/backend/nodes/value.c,v 1.2 2005/01/01 20:44:15 tgl Exp $
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include "nodes/parsenodes.h"

/*
 *	makeInteger
 */
Value *
makeInteger(long i)
{
	Value	   *v = makeNode(Value);

	v->type = T_Integer;
	v->val.ival = i;
	return v;
}

/*
 *	makeFloat
 *
 * Caller is responsible for passing a palloc'd string.
 */
Value *
makeFloat(char *numericStr)
{
	Value	   *v = makeNode(Value);

	v->type = T_Float;
	v->val.str = numericStr;
	return v;
}

/*
 *	makeString
 *
 * Caller is responsible for passing a palloc'd string.
 */
Value *
makeString(char *str)
{
	Value	   *v = makeNode(Value);

	v->type = T_String;
	v->val.str = str;
	return v;
}

/*
 *	makeBitString
 *
 * Caller is responsible for passing a palloc'd string.
 */
Value *
makeBitString(char *str)
{
	Value	   *v = makeNode(Value);

	v->type = T_BitString;
	v->val.str = str;
	return v;
}