greenplumn CScalarBitmapBoolOp 源码

  • 2022-08-18
  • 浏览 (358)

greenplumn CScalarBitmapBoolOp 代码

文件路径:/src/backend/gporca/libgpopt/src/operators/CScalarBitmapBoolOp.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2014 VMware, Inc. or its affiliates.
//
//	@filename:
//		CScalarBitmapBoolOp.cpp
//
//	@doc:
//		Bitmap index probe scalar operator
//
//	@owner:
//
//
//	@test:
//
//---------------------------------------------------------------------------

#include "gpopt/operators/CScalarBitmapBoolOp.h"

#include "gpopt/base/CColRef.h"
#include "gpopt/base/COptCtxt.h"
#include "gpopt/metadata/CIndexDescriptor.h"
#include "gpopt/metadata/CTableDescriptor.h"
#include "gpopt/operators/CExpressionHandle.h"
#include "gpopt/xforms/CXform.h"
#include "naucrates/statistics/CStatisticsUtils.h"

using namespace gpopt;

const WCHAR CScalarBitmapBoolOp::m_rgwszBitmapOpType[EbitmapboolSentinel][30] =
	{GPOS_WSZ_LIT("BitmapAnd"), GPOS_WSZ_LIT("BitmapOr")};

//---------------------------------------------------------------------------
//	@function:
//		CScalarBitmapBoolOp::CScalarBitmapBoolOp
//
//	@doc:
//		Ctor
//		Takes ownership of the bitmap type id.
//
//---------------------------------------------------------------------------
CScalarBitmapBoolOp::CScalarBitmapBoolOp(CMemoryPool *mp,
										 EBitmapBoolOp ebitmapboolop,
										 IMDId *pmdidBitmapType)
	: CScalar(mp),
	  m_ebitmapboolop(ebitmapboolop),
	  m_pmdidBitmapType(pmdidBitmapType)
{
	GPOS_ASSERT(nullptr != mp);
	GPOS_ASSERT(EbitmapboolSentinel > ebitmapboolop);
	GPOS_ASSERT(nullptr != pmdidBitmapType);
}

//---------------------------------------------------------------------------
//	@function:
//		CScalarBitmapBoolOp::~CScalarBitmapBoolOp
//
//	@doc:
//		Dtor
//
//---------------------------------------------------------------------------
CScalarBitmapBoolOp::~CScalarBitmapBoolOp()
{
	m_pmdidBitmapType->Release();
}

//---------------------------------------------------------------------------
//	@function:
//		CScalarBitmapBoolOp::HashValue
//
//	@doc:
//		Operator specific hash function
//
//---------------------------------------------------------------------------
ULONG
CScalarBitmapBoolOp::HashValue() const
{
	ULONG ulBoolop = (ULONG) Ebitmapboolop();
	return gpos::CombineHashes(COperator::HashValue(),
							   gpos::HashValue<ULONG>(&ulBoolop));
}


//---------------------------------------------------------------------------
//	@function:
//		CScalarBitmapBoolOp::Matches
//
//	@doc:
//		Match this operator with the given one.
//
//---------------------------------------------------------------------------
BOOL
CScalarBitmapBoolOp::Matches(COperator *pop) const
{
	if (pop->Eopid() != Eopid())
	{
		return false;
	}
	CScalarBitmapBoolOp *popBitmapBoolOp = PopConvert(pop);

	return popBitmapBoolOp->Ebitmapboolop() == Ebitmapboolop() &&
		   popBitmapBoolOp->MdidType()->Equals(m_pmdidBitmapType);
}

//---------------------------------------------------------------------------
//	@function:
//		CScalarBitmapBoolOp::OsPrint
//
//	@doc:
//		Debug print of this operator
//
//---------------------------------------------------------------------------
IOstream &
CScalarBitmapBoolOp::OsPrint(IOstream &os) const
{
	os << SzId() << " (";
	os << m_rgwszBitmapOpType[m_ebitmapboolop];
	os << ")";

	return os;
}

// EOF

相关信息

greenplumn 源码目录

相关文章

greenplumn CExpression 源码

greenplumn CExpressionFactorizer 源码

greenplumn CExpressionHandle 源码

greenplumn CExpressionPreprocessor 源码

greenplumn CExpressionUtils 源码

greenplumn CHashedDistributions 源码

greenplumn CLogical 源码

greenplumn CLogicalApply 源码

greenplumn CLogicalAssert 源码

greenplumn CLogicalBitmapTableGet 源码

0  赞