//---------------------------------------------------------------------------
// @function:
// CMDProviderTest::EresUnittest_Negative
//
// @doc:
// Test fetching non-exiting metadata objects from a file-based provider
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMDProviderTest::EresUnittest_Negative()
{
CAutoMemoryPool amp(CAutoMemoryPool::ElcNone);
IMemoryPool *mp = amp.Pmp();
CMDProviderMemory *pmdpFile = GPOS_NEW(mp) CMDProviderMemory(mp, file_name);
pmdpFile->AddRef();
// we need to use an auto pointer for the cache here to ensure
// deleting memory of cached objects when we throw
CAutoP<CMDAccessor::MDCache> apcache;
apcache = CCacheFactory::CreateCache<gpopt::IMDCacheObject*, gpopt::CMDKey*>
(
true, // fUnique
0 /* unlimited cache quota */,
CMDKey::UlHashMDKey,
CMDKey::FEqualMDKey
);
CMDAccessor::MDCache *pcache = apcache.Value();
{
CAutoMDAccessor amda(mp, pmdpFile, CTestUtils::m_sysidDefault, pcache);
// lookup a non-existing objects
CMDIdGPDB *mdid = GPOS_NEW(mp) CMDIdGPDB(GPOPT_MDCACHE_TEST_OID, 15 /* major version */, 1 /* minor version */);
// call should result in an exception
(void) pmdpFile->GetMDObjDXLStr(mp, amda.Pmda(), mdid);
}
return GPOS_FAILED;
}
//---------------------------------------------------------------------------
// @function:
// CMDProviderTest::EresUnittest_Stats
//
// @doc:
// Test fetching existing stats objects from a file-based provider
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMDProviderTest::EresUnittest_Stats()
{
// create memory pool
CAutoMemoryPool amp;
IMemoryPool *mp = amp.Pmp();
CMDProviderMemory *pmdpFile = GPOS_NEW(mp) CMDProviderMemory(mp, file_name);
{
pmdpFile->AddRef();
CAutoMDAccessor amda(mp, pmdpFile, CTestUtils::m_sysidDefault, CMDCache::Pcache());
// lookup different objects
CMDIdRelStats *rel_stats_mdid = GPOS_NEW(mp) CMDIdRelStats(GPOS_NEW(mp) CMDIdGPDB(GPOPT_MDCACHE_TEST_OID, 1, 1));
CWStringBase *pstrRelStats = pmdpFile->GetMDObjDXLStr(mp, amda.Pmda(), rel_stats_mdid);
GPOS_ASSERT(NULL != pstrRelStats);
IMDCacheObject *pmdobjRelStats = CDXLUtils::ParseDXLToIMDIdCacheObj(mp, pstrRelStats, NULL);
GPOS_ASSERT(NULL != pmdobjRelStats);
CMDIdColStats *mdid_col_stats =
GPOS_NEW(mp) CMDIdColStats(GPOS_NEW(mp) CMDIdGPDB(GPOPT_MDCACHE_TEST_OID, 1, 1), 1 /* attno */);
CWStringBase *pstrColStats = pmdpFile->GetMDObjDXLStr(mp, amda.Pmda(), mdid_col_stats);
GPOS_ASSERT(NULL != pstrColStats);
IMDCacheObject *pmdobjColStats = CDXLUtils::ParseDXLToIMDIdCacheObj(mp, pstrColStats, NULL);
GPOS_ASSERT(NULL != pmdobjColStats);
// cleanup
rel_stats_mdid->Release();
mdid_col_stats->Release();
GPOS_DELETE(pstrRelStats);
GPOS_DELETE(pstrColStats);
pmdobjRelStats->Release();
pmdobjColStats->Release();
}
pmdpFile->Release();
return GPOS_OK;
}
