greenplumn CParseHandlerUtils 源码
greenplumn CParseHandlerUtils 代码
文件路径：/src/backend/gporca/libnaucrates/src/parser/CParseHandlerUtils.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Corp.
//
// @filename:
// CParseHandlerUtils.cpp
//
// @doc:
// Implementation of the helper methods for parse handler
//
//---------------------------------------------------------------------------
#include "naucrates/dxl/parser/CParseHandlerUtils.h"
#include "naucrates/statistics/IStatistics.h"
using namespace gpos;
using namespace gpdxl;
using namespace gpnaucrates;
//---------------------------------------------------------------------------
// @function:
// CParseHandlerUtils::SetProperties
//
// @doc:
// Parse and the set operator's costing and statistical properties
//
//---------------------------------------------------------------------------
void
CParseHandlerUtils::SetProperties(CDXLNode *dxlnode,
CParseHandlerProperties *prop_parse_handler)
{
GPOS_ASSERT(nullptr != prop_parse_handler->GetProperties());
// set physical properties
CDXLPhysicalProperties *dxl_properties =
prop_parse_handler->GetProperties();
dxl_properties->AddRef();
dxlnode->SetProperties(dxl_properties);
// set the statistical information
CDXLStatsDerivedRelation *dxl_stats_derived_relation =
prop_parse_handler->GetDxlStatsDrvdRelation();
if (nullptr != dxl_stats_derived_relation)
{
dxl_stats_derived_relation->AddRef();
dxl_properties->SetStats(dxl_stats_derived_relation);
}
}
// EOF
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