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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