greenplumn CXformImplementBitmapTableGet 源码
greenplumn CXformImplementBitmapTableGet 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformImplementBitmapTableGet.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CXformImplementBitmapTableGet
//
// @doc:
// Implement BitmapTableGet
//
// @owner:
//
//
// @test:
//
//---------------------------------------------------------------------------
#ifndef GPOPT_CXformImplementBitmapTableGet_H
#define GPOPT_CXformImplementBitmapTableGet_H
#include "gpos/base.h"
#include "gpopt/xforms/CXformImplementation.h"
namespace gpopt
{
//---------------------------------------------------------------------------
// @class:
// CXformImplementBitmapTableGet
//
// @doc:
// Implement CLogicalBitmapTableGet as a CPhysicalBitmapTableScan
//
//---------------------------------------------------------------------------
class CXformImplementBitmapTableGet : public CXformImplementation
{
private:
public:
CXformImplementBitmapTableGet(const CXformImplementBitmapTableGet &) =
delete;
// ctor
explicit CXformImplementBitmapTableGet(CMemoryPool *mp);
// dtor
~CXformImplementBitmapTableGet() override = default;
// identifier
EXformId
Exfid() const override
{
return ExfImplementBitmapTableGet;
}
// xform name
const CHAR *
SzId() const override
{
return "CXformImplementBitmapTableGet";
}
// 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 CXformImplementBitmapTableGet
} // namespace gpopt
#endif // !GPOPT_CXformImplementBitmapTableGet_H
// EOF
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