greenplumn CSearchStrategyTest 代码
文件路径：/src/backend/gporca/server/include/unittest/gpopt/search/CSearchStrategyTest.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CSearchStrategyTest.h
/
/ @doc:
/ Test for search strategy
/---------------------------------------------------------------------------
#ifndef GPOPT_CSearchStrategyTest_H
#define GPOPT_CSearchStrategyTest_H
#include "gpos/base.h"
#include "gpopt/operators/CExpression.h"
#include "gpopt/search/CSearchStage.h"
namespace gpopt
{
/---------------------------------------------------------------------------
/ @class:
/ CSearchStrategyTest
/
/ @doc:
/ unittest for search strategy
/
/---------------------------------------------------------------------------
class CSearchStrategyTest
{
private:
/ type definition for of expression generator
using Pfpexpr = CExpression *(*) (CMemoryPool *);
/ type definition for of optimize function
using PfnOptimize = void (*)(CMemoryPool *, CExpression *,
CSearchStageArray *);
/ generate random search strategy
static CSearchStageArray *PdrgpssRandom(CMemoryPool *mp);
/ run optimize function on given expression
static void Optimize(CMemoryPool *mp, Pfpexpr pfnGenerator,
CSearchStageArray *search_stage_array,
PfnOptimize pfnOptimize);
static void BuildMemo(CMemoryPool *mp, CExpression *pexprInput,
CSearchStageArray *search_stage_array);
public:
/ unittests driver
static GPOS_RESULT EresUnittest();
#ifdef GPOS_DEBUG
/ test search strategy with recursive optimization
static GPOS_RESULT EresUnittest_RecursiveOptimize();
#endif / GPOS_DEBUG
/ test search strategy with multi-threaded optimization
static GPOS_RESULT EresUnittest_MultiThreadedOptimize();
/ test reading search strategy from XML file
static GPOS_RESULT EresUnittest_Parsing();
/ test search strategy that times out
static GPOS_RESULT EresUnittest_Timeout();
/ test exception handling when parsing search strategy
static GPOS_RESULT EresUnittest_ParsingWithException();
}; / CSearchStrategyTest
} / namespace gpopt
#endif / !GPOPT_CSearchStrategyTest_H
/ EOF