greenplumn CEngineTest 源码

greenplumn CEngineTest 代码

文件路径：/src/backend/gporca/server/include/unittest/gpopt/engine/CEngineTest.h

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2009 - 2011 EMC Corp.
//
//	@filename:
//		CEngineTest.h
//
//	@doc:
//		Test for CEngine
//---------------------------------------------------------------------------
#ifndef GPOPT_CEngineTest_H
#define GPOPT_CEngineTest_H


#include "gpos/base.h"
#include "gpos/common/CDynamicPtrArray.h"

#include "gpopt/base/COptimizationContext.h"
#include "gpopt/operators/CExpression.h"
#include "gpopt/search/CSearchStage.h"

namespace gpopt
{
//---------------------------------------------------------------------------
//	@class:
//		CEngineTest
//
//	@doc:
//		Unittests
//
//---------------------------------------------------------------------------
class CEngineTest
{
private:
#ifdef GPOS_DEBUG

	// type definition for of expression generator
	using Pfpexpr = CExpression *(*) (CMemoryPool *);

	// helper for testing engine using an array of expression generators
	static GPOS_RESULT EresTestEngine(Pfpexpr rgpf[], ULONG size);

#endif	// GPOS_DEBUG

	// counter used to mark last successful test
	static ULONG m_ulTestCounter;

	// counter used to mark last successful test in subquery test
	static ULONG m_ulTestCounterSubq;

public:
	// type definition of optimizer test function
	using FnOptimize = void(CMemoryPool *, CExpression *, CSearchStageArray *);

	// main driver
	static GPOS_RESULT EresUnittest();

	// basic unittest
	static GPOS_RESULT EresUnittest_Basic();

	// helper function for optimizing deep join trees
	static GPOS_RESULT EresOptimize(
		FnOptimize *pfopt,	 // optimization function
		CWStringConst *str,	 // array of relation names
		ULONG *pul,			 // array of relation OIDs
		ULONG ulRels,		 // number of array entries
		CBitSet *
			pbs	 // if a bit is set, the corresponding join expression will be optimized
	);

#ifdef GPOS_DEBUG

	// build memo by recursive optimization
	static void BuildMemoRecursive(CMemoryPool *mp, CExpression *pexprInput,
								   CSearchStageArray *search_stage_array);

	// test of recursive memo building
	static GPOS_RESULT EresUnittest_BuildMemo();

	// test of appending stats during optimization
	static GPOS_RESULT EresUnittest_AppendStats();

	// test of recursive memo building with a large number of joins
	static GPOS_RESULT EresUnittest_BuildMemoLargeJoins();

	// test of building memo for expressions with subqueries
	static GPOS_RESULT EresUnittest_BuildMemoWithSubqueries();

	// test of building memo for expressions with TVFs
	static GPOS_RESULT EresUnittest_BuildMemoWithTVF();

	// test of building memo for expressions with grouping
	static GPOS_RESULT EresUnittest_BuildMemoWithGrouping();

	// test of building memo for expressions with partitioning
	static GPOS_RESULT EresUnittest_BuildMemoWithPartitioning();

	// test of building memo for expressions with partitioning
	static GPOS_RESULT EresUnittest_BuildMemoWithWindowing();

	// test of building memo for expressions with CTEs
	static GPOS_RESULT EresUnittest_BuildMemoWithCTE();

#endif	// GPOS_DEBUG

};	// class CEngineTest
}  // namespace gpopt

#endif	// !GPOPT_CEngineTest_H


// EOF

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