greenplumn CScalarBitmapBoolOp 源码
greenplumn CScalarBitmapBoolOp 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/operators/CScalarBitmapBoolOp.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CScalarBitmapBoolOp.h
//
// @doc:
// Bitmap bool op scalar operator
//
// @owner:
//
//
// @test:
//
//---------------------------------------------------------------------------
#ifndef GPOPT_CScalarBitmapBoolOp_H
#define GPOPT_CScalarBitmapBoolOp_H
#include "gpos/base.h"
#include "gpopt/operators/CScalar.h"
namespace gpopt
{
//---------------------------------------------------------------------------
// @class:
// CScalarBitmapBoolOp
//
// @doc:
// Bitmap bool op scalar operator
//
//---------------------------------------------------------------------------
class CScalarBitmapBoolOp : public CScalar
{
public:
// type of bitmap bool operator
enum EBitmapBoolOp
{
EbitmapboolAnd,
EbitmapboolOr,
EbitmapboolSentinel
};
private:
// bitmap boolean operator
EBitmapBoolOp m_ebitmapboolop;
// bitmap type id
IMDId *m_pmdidBitmapType;
static const WCHAR m_rgwszBitmapOpType[EbitmapboolSentinel][30];
public:
CScalarBitmapBoolOp(const CScalarBitmapBoolOp &) = delete;
// ctor
CScalarBitmapBoolOp(CMemoryPool *mp, EBitmapBoolOp ebitmapboolop,
IMDId *pmdidBitmapType);
// dtor
~CScalarBitmapBoolOp() override;
// bitmap bool op type
EBitmapBoolOp
Ebitmapboolop() const
{
return m_ebitmapboolop;
}
// bitmap type id
IMDId *
MdidType() const override
{
return m_pmdidBitmapType;
}
// identifier
EOperatorId
Eopid() const override
{
return EopScalarBitmapBoolOp;
}
// return a string for operator name
const CHAR *
SzId() const override
{
return "CScalarBitmapBoolOp";
}
// operator specific hash function
ULONG HashValue() const override;
// match function
BOOL Matches(COperator *pop) const override;
// sensitivity to order of inputs
BOOL
FInputOrderSensitive() const override
{
return false;
}
// return a copy of the operator with remapped columns
COperator *
PopCopyWithRemappedColumns(CMemoryPool *, //mp,
UlongToColRefMap *, //colref_mapping,
BOOL //must_exist
) override
{
return PopCopyDefault();
}
// debug print
IOstream &OsPrint(IOstream &) const override;
// conversion
static CScalarBitmapBoolOp *
PopConvert(COperator *pop)
{
GPOS_ASSERT(nullptr != pop);
GPOS_ASSERT(EopScalarBitmapBoolOp == pop->Eopid());
return dynamic_cast<CScalarBitmapBoolOp *>(pop);
}
}; // class CScalarBitmapBoolOp
} // namespace gpopt
#endif // !GPOPT_CScalarBitmapBoolOp_H
// EOF
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