greenplumn CColRefComputed 源码
greenplumn CColRefComputed 代码
文件路径：/src/backend/gporca/libgpopt/src/base/CColRefComputed.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// CColRefComputed.cpp
//
// @doc:
// Implementation of column reference class for computed columns
//---------------------------------------------------------------------------
#include "gpopt/base/CColRefComputed.h"
#include "gpos/base.h"
using namespace gpopt;
//---------------------------------------------------------------------------
// @function:
// CColRefComputed::CColRefComputed
//
// @doc:
// ctor
// takes ownership of string; verify string is properly formatted
//
//---------------------------------------------------------------------------
CColRefComputed::CColRefComputed(const IMDType *pmdtype, INT type_modifier,
ULONG id, const CName *pname)
: CColRef(pmdtype, type_modifier, id, pname)
{
GPOS_ASSERT(nullptr != pmdtype);
GPOS_ASSERT(pmdtype->MDId()->IsValid());
GPOS_ASSERT(nullptr != pname);
}
//---------------------------------------------------------------------------
// @function:
// CColRefComputed::~CColRefComputed
//
// @doc:
// ctor
//
//---------------------------------------------------------------------------
CColRefComputed::~CColRefComputed() = default;
// EOF
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