greenplumn CPhysicalDynamicBitmapTableScan 源码
greenplumn CPhysicalDynamicBitmapTableScan 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/operators/CPhysicalDynamicBitmapTableScan.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CPhysicalDynamicBitmapTableScan.h
//
// @doc:
// Dynamic bitmap table scan physical operator
//
// @owner:
//
//
// @test:
//
//---------------------------------------------------------------------------
#ifndef GPOPT_CPhysicalDynamicBitmapTableScan_H
#define GPOPT_CPhysicalDynamicBitmapTableScan_H
#include "gpos/base.h"
#include "gpopt/operators/CPhysicalDynamicScan.h"
namespace gpopt
{
// fwd declarations
class CTableDescriptor;
class CName;
class CPartConstraint;
//---------------------------------------------------------------------------
// @class:
// CPhysicalDynamicBitmapTableScan
//
// @doc:
// Dynamic bitmap table scan physical operator
//
//---------------------------------------------------------------------------
class CPhysicalDynamicBitmapTableScan : public CPhysicalDynamicScan
{
private:
public:
CPhysicalDynamicBitmapTableScan(const CPhysicalDynamicBitmapTableScan &) =
delete;
// ctor
CPhysicalDynamicBitmapTableScan(
CMemoryPool *mp, CTableDescriptor *ptabdesc, ULONG ulOriginOpId,
const CName *pnameAlias, ULONG scan_id, CColRefArray *pdrgpcrOutput,
CColRef2dArray *pdrgpdrgpcrParts, IMdIdArray *partition_mdids,
ColRefToUlongMapArray *root_col_mapping_per_part);
// ident accessors
EOperatorId
Eopid() const override
{
return EopPhysicalDynamicBitmapTableScan;
}
// return a string for operator name
const CHAR *
SzId() const override
{
return "CPhysicalDynamicBitmapTableScan";
}
// match function
BOOL Matches(COperator *) const override;
// statistics derivation during costing
IStatistics *PstatsDerive(CMemoryPool *mp, CExpressionHandle &exprhdl,
CReqdPropPlan *prpplan,
IStatisticsArray *stats_ctxt) const override;
// conversion function
static CPhysicalDynamicBitmapTableScan *
PopConvert(COperator *pop)
{
GPOS_ASSERT(nullptr != pop);
GPOS_ASSERT(EopPhysicalDynamicBitmapTableScan == pop->Eopid());
return dynamic_cast<CPhysicalDynamicBitmapTableScan *>(pop);
}
};
} // namespace gpopt
#endif // !GPOPT_CPhysicalDynamicBitmapTableScan_H
// EOF
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