greenplumn CDXLPhysicalAbstractBitmapScan 源码
greenplumn CDXLPhysicalAbstractBitmapScan 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLPhysicalAbstractBitmapScan.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CDXLPhysicalAbstractBitmapScan.cpp
//
// @doc:
// Parent class for representing DXL bitmap table scan operators, both
// not partitioned and dynamic.
//---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLPhysicalAbstractBitmapScan.h"
#include "naucrates/dxl/operators/CDXLNode.h"
#include "naucrates/dxl/operators/CDXLTableDescr.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
#include "naucrates/dxl/xml/dxltokens.h"
using namespace gpdxl;
using namespace gpos;
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalAbstractBitmapScan::~CDXLPhysicalAbstractBitmapScan
//
// @doc:
// Dtor
//
//---------------------------------------------------------------------------
CDXLPhysicalAbstractBitmapScan::~CDXLPhysicalAbstractBitmapScan()
{
m_dxl_table_descr->Release();
}
#ifdef GPOS_DEBUG
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalAbstractBitmapScan::AssertValid
//
// @doc:
// Checks whether operator node is well-structured
//
//---------------------------------------------------------------------------
void
CDXLPhysicalAbstractBitmapScan::AssertValid(const CDXLNode *node,
BOOL validate_children) const
{
GPOS_ASSERT(4 == node->Arity());
// assert proj list and filter are valid
CDXLPhysical::AssertValid(node, validate_children);
GPOS_ASSERT(EdxlopScalarRecheckCondFilter ==
(*node)[2]->GetOperator()->GetDXLOperator());
// assert bitmap access path is valid
CDXLNode *bitmap_dxlnode = (*node)[3];
GPOS_ASSERT(EdxlopScalarBitmapIndexProbe ==
bitmap_dxlnode->GetOperator()->GetDXLOperator() ||
EdxlopScalarBitmapBoolOp ==
bitmap_dxlnode->GetOperator()->GetDXLOperator());
// assert validity of table descriptor
GPOS_ASSERT(nullptr != m_dxl_table_descr);
GPOS_ASSERT(nullptr != m_dxl_table_descr->MdName());
GPOS_ASSERT(m_dxl_table_descr->MdName()->GetMDName()->IsValid());
if (validate_children)
{
bitmap_dxlnode->GetOperator()->AssertValid(bitmap_dxlnode,
validate_children);
}
}
#endif // GPOS_DEBUG
// EOF
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