greenplumn CSerializableOptimizerConfig 源码
greenplumn CSerializableOptimizerConfig 代码
文件路径:/src/backend/gporca/libgpopt/src/minidump/CSerializableOptimizerConfig.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2018 VMware, Inc. or its affiliates..
//
// @filename:
// CSerializableOptimizerConfig.cpp
//
// @doc:
// Class for serializing optimizer config objects
//---------------------------------------------------------------------------
#include "gpopt/minidump/CSerializableOptimizerConfig.h"
#include "gpos/base.h"
#include "gpos/error/CErrorContext.h"
#include "gpos/task/CTask.h"
#include "gpopt/base/COptCtxt.h"
#include "gpopt/mdcache/CMDAccessor.h"
#include "gpopt/optimizer/COptimizerConfig.h"
#include "naucrates/dxl/CDXLUtils.h"
#include "naucrates/dxl/xml/CDXLSections.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
using namespace gpos;
using namespace gpopt;
using namespace gpdxl;
// max length of the string representation of traceflag codes
#define GPOPT_MAX_TRACEFLAG_CODE_LENGTH 10
//---------------------------------------------------------------------------
// @function:
// CSerializableOptimizerConfig::CSerializableOptimizerConfig
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CSerializableOptimizerConfig::CSerializableOptimizerConfig(
CMemoryPool *mp, const COptimizerConfig *optimizer_config)
: CSerializable(), m_mp(mp), m_optimizer_config(optimizer_config)
{
GPOS_ASSERT(nullptr != optimizer_config);
}
//---------------------------------------------------------------------------
// @function:
// CSerializableOptimizerConfig::~CSerializableOptimizerConfig
//
// @doc:
// Dtor
//
//---------------------------------------------------------------------------
CSerializableOptimizerConfig::~CSerializableOptimizerConfig() = default;
//---------------------------------------------------------------------------
// @function:
// CSerializableOptimizerConfig::Serialize
//
// @doc:
// Serialize contents into provided stream
//
//---------------------------------------------------------------------------
void
CSerializableOptimizerConfig::Serialize(COstream &oos)
{
CXMLSerializer xml_serializer(m_mp, oos, false /*Indent*/);
// Copy traceflags from global state
CBitSet *pbs = CTask::Self()->GetTaskCtxt()->copy_trace_flags(m_mp);
m_optimizer_config->Serialize(m_mp, &xml_serializer, pbs);
pbs->Release();
}
// EOF
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