greenplumn value 源码
greenplumn value 代码
文件路径：/src/backend/nodes/value.c
/*-------------------------------------------------------------------------
*
* value.c
* implementation of Value nodes
*
*
* Copyright (c) 2003-2019, PostgreSQL Global Development Group
*
*
* IDENTIFICATION
* src/backend/nodes/value.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "nodes/parsenodes.h"
/*
* makeInteger
*/
Value *
makeInteger(int 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;
}
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