greenplumn CXformExploration 源码
greenplumn CXformExploration 代码
文件路径：/src/backend/gporca/libgpopt/src/xforms/CXformExploration.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// CXformExploration.cpp
//
// @doc:
// Implementation of basic exploration transformation
//---------------------------------------------------------------------------
#include "gpopt/xforms/CXformExploration.h"
#include "gpos/base.h"
using namespace gpopt;
//---------------------------------------------------------------------------
// @function:
// CXformExploration::CXformExploration
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CXformExploration::CXformExploration(CExpression *pexpr) : CXform(pexpr)
{
GPOS_ASSERT(nullptr != pexpr);
}
//---------------------------------------------------------------------------
// @function:
// CXformExploration::~CXformExploration
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CXformExploration::~CXformExploration() = default;
// EOF
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