greenplumn CXformImplementDynamicBitmapTableGet 源码
greenplumn CXformImplementDynamicBitmapTableGet 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformImplementDynamicBitmapTableGet.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CXformImplementDynamicBitmapTableGet
//
// @doc:
// Implement DynamicBitmapTableGet
//
// @owner:
//
//
// @test:
//
//---------------------------------------------------------------------------
#ifndef GPOPT_CXformImplementDynamicBitmapTableGet_H
#define GPOPT_CXformImplementDynamicBitmapTableGet_H
#include "gpos/base.h"
#include "gpopt/xforms/CXformImplementation.h"
namespace gpopt
{
//---------------------------------------------------------------------------
// @class:
// CXformImplementDynamicBitmapTableGet
//
// @doc:
// Implement CLogicalDynamicBitmapTableGet as a CPhysicalDynamicBitmapTableScan
//
//---------------------------------------------------------------------------
class CXformImplementDynamicBitmapTableGet : public CXformImplementation
{
private:
public:
CXformImplementDynamicBitmapTableGet(
const CXformImplementDynamicBitmapTableGet &) = delete;
// ctor
explicit CXformImplementDynamicBitmapTableGet(CMemoryPool *mp);
// dtor
~CXformImplementDynamicBitmapTableGet() override = default;
// identifier
EXformId
Exfid() const override
{
return ExfImplementDynamicBitmapTableGet;
}
// xform name
const CHAR *
SzId() const override
{
return "CXformImplementDynamicBitmapTableGet";
}
// compute xform promise for a given expression handle
EXformPromise Exfp(CExpressionHandle &exprhdl) const override;
// actual transform
void Transform(CXformContext *pxfctxt, CXformResult *pxfres,
CExpression *pexpr) const override;
}; // class CXformImplementDynamicBitmapTableGet
} // namespace gpopt
#endif // !GPOPT_CXformImplementDynamicBitmapTableGet_H
// EOF
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