greenplumn CXformRightOuterJoin2HashJoinTest 源码
greenplumn CXformRightOuterJoin2HashJoinTest 代码
文件路径：/src/backend/gporca/server/src/unittest/gpopt/xforms/CXformRightOuterJoin2HashJoinTest.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// CXformRightOuterJoin2HashJoinTest.cpp
//
// @doc:
// Test for right outer join to hash join transform
//---------------------------------------------------------------------------
#include "unittest/gpopt/xforms/CXformRightOuterJoin2HashJoinTest.h"
#include "gpopt/base/CQueryContext.h"
#include "gpopt/base/CUtils.h"
#include "gpopt/operators/CPredicateUtils.h"
#include "gpopt/xforms/CXformRightOuterJoin2HashJoin.h"
#include "unittest/base.h"
#include "unittest/gpopt/CTestUtils.h"
//---------------------------------------------------------------------------
// @function:
// CXformRightOuterJoin2HashJoinTest::EresUnittest
//
// @doc:
// Unittest for predicate utilities
//
//---------------------------------------------------------------------------
GPOS_RESULT
CXformRightOuterJoin2HashJoinTest::EresUnittest()
{
CUnittest rgut[] = {
GPOS_UNITTEST_FUNC(
CXformRightOuterJoin2HashJoinTest::EresUnittest_Transform),
};
return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}
//---------------------------------------------------------------------------
// @function:
// CXformRightOuterJoin2HashJoinTest::EresUnittest_Transform
//
// @doc:
// Driver for transform tests
//
//---------------------------------------------------------------------------
GPOS_RESULT
CXformRightOuterJoin2HashJoinTest::EresUnittest_Transform()
{
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
CMDProviderMemory *pmdp = CTestUtils::m_pmdpf;
pmdp->AddRef();
CMDAccessor mda(mp, CMDCache::Pcache(), CTestUtils::m_sysidDefault, pmdp);
CAutoOptCtxt aoc(mp, &mda, nullptr, /* pceeval */
CTestUtils::GetCostModel(mp));
CXformContext *context = GPOS_NEW(mp) CXformContext(mp);
CXformResult *result = GPOS_NEW(mp) CXformResult(mp);
CXformRightOuterJoin2HashJoin *xform =
GPOS_NEW(mp) CXformRightOuterJoin2HashJoin(mp);
CExpression *pLogicalRightOuterJoin = CTestUtils::PexprRightOuterJoin(mp);
// xform should work even if child stats aren't derived yet.
GPOS_ASSERT(nullptr == (*pLogicalRightOuterJoin)[0]->Pstats());
GPOS_ASSERT(nullptr == (*pLogicalRightOuterJoin)[1]->Pstats());
(void) xform->Transform(context, result, pLogicalRightOuterJoin);
pLogicalRightOuterJoin->Release();
xform->Release();
context->Release();
result->Release();
return GPOS_OK;
}
// EOF
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