C++ (Cpp) ICostModel::AddRefの例

コード例 #1

ファイル: CCostTest.cpp プロジェクト: d/gporca

//---------------------------------------------------------------------------
//	@function:
//		CCostTest::EresUnittest_CalibratedCostModel
//
//	@doc:
//		GPDB's calibrated cost model test
//
//---------------------------------------------------------------------------
GPOS_RESULT
CCostTest::EresUnittest_CalibratedCostModel()
{
	CAutoTraceFlag atf1(EtraceSimulateOOM, false);
	CAutoTraceFlag atf2(EtraceSimulateAbort, false);
	CAutoTraceFlag atf3(EtraceSimulateIOError, false);
	CAutoTraceFlag atf4(EtraceSimulateNetError, false);

	CAutoMemoryPool amp;
	IMemoryPool *pmp = amp.Pmp();

	// setup a file-based provider
	CMDProviderMemory *pmdp = CTestUtils::m_pmdpf;
	pmdp->AddRef();
	CMDAccessor mda(pmp, CMDCache::Pcache(), CTestUtils::m_sysidDefault, pmdp);

	ICostModel *pcm = GPOS_NEW(pmp) CCostModelGPDB(pmp, GPOPT_TEST_SEGMENTS);
	pcm->AddRef();

	{
		// install opt context in TLS
		CAutoOptCtxt aoc
						(
						pmp,
						&mda,
						NULL, /* pceeval */
						pcm
						);


		TestParams(pmp, true /*fCalibrated*/);
	}

	// minidump files
	const CHAR *rgszFileNamesCalibratedCostModel[] =
	{
		"../data/dxl/minidump/PartTbl-MultiWayJoinWithDPE.mdp",
		"../data/dxl/tpch/q2.mdp",
		"../data/dxl/minidump/CTE-4.mdp",
		"../data/dxl/minidump/Lead-Lag-WinFuncs.mdp",
	};

	COptimizerConfig* poconf = COptimizerConfig::PoconfDefault(pmp, pcm);

	for (ULONG ul = 0; ul < GPOS_ARRAY_SIZE(rgszFileNamesCalibratedCostModel); ul++)
	{
		CDXLNode *pdxlnPlan = CMinidumperUtils::PdxlnExecuteMinidump
							(
							pmp,
							rgszFileNamesCalibratedCostModel[ul],
							GPOPT_TEST_SEGMENTS,
							1 /*ulSessionId*/,
							1 /*ulCmdId*/,
							poconf,
							NULL /*pceeval*/
							);
		pdxlnPlan->Release();
	}

	poconf->Release();

	return GPOS_OK;
}

コード例 #2

ファイル: CParseHandlerOptimizerConfig.cpp プロジェクト: b-xiang/gporca

//---------------------------------------------------------------------------
//	@function:
//		CParseHandlerOptimizerConfig::EndElement
//
//	@doc:
//		Invoked by Xerces to process a closing tag
//
//---------------------------------------------------------------------------
void
CParseHandlerOptimizerConfig::EndElement
	(
	const XMLCh* const, // element_uri,
	const XMLCh* const element_local_name,
	const XMLCh* const // element_qname
	)
{
	if (0 != XMLString::compareString(CDXLTokens::XmlstrToken(EdxltokenOptimizerConfig), element_local_name))
	{
		CWStringDynamic *str = CDXLUtils::CreateDynamicStringFromXMLChArray(m_parse_handler_mgr->GetDXLMemoryManager(), element_local_name);
		GPOS_RAISE( gpdxl::ExmaDXL, gpdxl::ExmiDXLUnexpectedTag, str->GetBuffer());
	}
	
	GPOS_ASSERT(NULL == m_optimizer_config);
	GPOS_ASSERT(7 >= this->Length());

	CParseHandlerEnumeratorConfig *pphEnumeratorConfig = dynamic_cast<CParseHandlerEnumeratorConfig *>((*this)[0]);
	CEnumeratorConfig *pec = pphEnumeratorConfig->GetEnumeratorCfg();
	pec->AddRef();

	CParseHandlerStatisticsConfig *pphStatisticsConfig = dynamic_cast<CParseHandlerStatisticsConfig *>((*this)[1]);
	CStatisticsConfig *stats_config = pphStatisticsConfig->GetStatsConf();
	stats_config->AddRef();

	CParseHandlerCTEConfig *pphCTEConfig = dynamic_cast<CParseHandlerCTEConfig *>((*this)[2]);
	CCTEConfig *pcteconfig = pphCTEConfig->GetCteConf();
	pcteconfig->AddRef();
	
	CParseHandlerWindowOids *pphDefoidsGPDB = dynamic_cast<CParseHandlerWindowOids *>((*this)[3]);
	CWindowOids *pwindowoidsGPDB = pphDefoidsGPDB->GetWindowOids();
	GPOS_ASSERT(NULL != pwindowoidsGPDB);
	pwindowoidsGPDB->AddRef();

	ICostModel *pcm = NULL;
	CHint *phint = NULL;
	if (5 == this->Length())
	{
		// no cost model: use default one
		pcm = ICostModel::PcmDefault(m_mp);
		phint = CHint::PhintDefault(m_mp);
	}
	else
	{
		CParseHandlerCostModel *pphCostModelConfig = dynamic_cast<CParseHandlerCostModel *>((*this)[4]);
		pcm = pphCostModelConfig->GetCostModel();
		GPOS_ASSERT(NULL != pcm);
		pcm->AddRef();

		if (6 == this->Length())
		{
			phint = CHint::PhintDefault(m_mp);
		}
		else
		{
			CParseHandlerHint *pphHint = dynamic_cast<CParseHandlerHint *>((*this)[5]);
			phint = pphHint->GetHint();
			GPOS_ASSERT(NULL != phint);
			phint->AddRef();
		}
	}

	m_optimizer_config = GPOS_NEW(m_mp) COptimizerConfig(pec, stats_config, pcteconfig, pcm, phint, pwindowoidsGPDB);

	CParseHandlerTraceFlags *pphTraceFlags = dynamic_cast<CParseHandlerTraceFlags *>((*this)[this->Length() - 1]);
	pphTraceFlags->GetTraceFlagBitSet()->AddRef();
	m_pbs = pphTraceFlags->GetTraceFlagBitSet();
	
	// deactivate handler
	m_parse_handler_mgr->DeactivateHandler();
}