//------------------------------------------------------------------------------
// DBRootExtentTracker constructor
//
// Mutex lock not needed in this function as it is only called from main thread
// before processing threads are spawned.
//------------------------------------------------------------------------------
DBRootExtentTracker::DBRootExtentTracker ( OID oid,
int colWidth,
Log* logger,
const BRM::EmDbRootHWMInfo_v& emDbRootHWMInfo ) :
fOID(oid),
fLog(logger),
fCurrentDBRootIdx(-1),
fEmptyOrDisabledPM(false),
fEmptyPM(true),
fDisabledHWM(false)
{
fBlksPerExtent = (long long)BRMWrapper::getInstance()->getExtentRows() *
(long long)colWidth / (long long)BYTE_PER_BLOCK;
for (unsigned int i=0; i<emDbRootHWMInfo.size(); i++)
{
DBRootExtentInfo dbRootExtent(
colWidth,
emDbRootHWMInfo[i].dbRoot,
emDbRootHWMInfo[i].partitionNum,
emDbRootHWMInfo[i].segmentNum,
emDbRootHWMInfo[i].startLbid,
emDbRootHWMInfo[i].localHWM,
emDbRootHWMInfo[i].totalBlocks,
emDbRootHWMInfo[i].status);
fDBRootExtentList.push_back( dbRootExtent );
}
std::sort( fDBRootExtentList.begin(), fDBRootExtentList.end() );
if (fLog)
{
// Always log this info for now; may control with debug later
//if (fLog->isDebug(DEBUG_1))
{
std::ostringstream oss;
oss << "Starting DBRoot info for OID " << fOID;
for (unsigned int k=0; k<fDBRootExtentList.size(); k++)
{
oss << std::endl;
oss << " DBRoot-" << fDBRootExtentList[k].fDbRoot <<
", part/seg/hwm/LBID/totBlks/state: " <<
fDBRootExtentList[k].fPartition <<
"/" << fDBRootExtentList[k].fSegment <<
"/" << fDBRootExtentList[k].fLocalHwm <<
"/" << fDBRootExtentList[k].fStartLbid <<
"/" << fDBRootExtentList[k].fDBRootTotalBlocks <<
"/" << stateStrings[ fDBRootExtentList[k].fState ];
}
fLog->logMsg( oss.str(), MSGLVL_INFO2 );
}
}
}
//------------------------------------------------------------------------------
// DBRootExtentTracker constructor
//
// Mutex lock not needed in this function as it is only called from main thread
// before processing threads are spawned.
//------------------------------------------------------------------------------
DBRootExtentTracker::DBRootExtentTracker ( OID oid,
const std::vector<int>& colWidths,
const std::vector<BRM::EmDbRootHWMInfo_v>& dbRootHWMInfoColVec,
unsigned int columnIdx,
Log* logger ) :
fOID(oid),
fLog(logger),
fCurrentDBRootIdx(-1),
fEmptyOrDisabledPM(false),
fEmptyPM(true),
fDisabledHWM(false)
{
const BRM::EmDbRootHWMInfo_v& emDbRootHWMInfo =
dbRootHWMInfoColVec[columnIdx];
int colWidth = colWidths[columnIdx];
fBlksPerExtent = (long long)BRMWrapper::getInstance()->getExtentRows() *
(long long)colWidth / (long long)BYTE_PER_BLOCK;
std::vector<bool> resetState;
for (unsigned int i=0; i<emDbRootHWMInfo.size(); i++)
{
resetState.push_back(false);
DBRootExtentInfoState state = determineState(
colWidths[columnIdx],
emDbRootHWMInfo[i].localHWM,
emDbRootHWMInfo[i].totalBlocks,
emDbRootHWMInfo[i].status);
// For a full extent...
// check to see if any of the column HWMs are partially full, in which
// case we consider all the columns for that DBRoot to be partially
// full. (This can happen if a table has columns with varying widths,
// as the HWM may be at the last extent block for a shorter column, and
// still have free blocks for wider columns.)
if (state == DBROOT_EXTENT_EXTENT_BOUNDARY)
{
for (unsigned int kCol=0; kCol<dbRootHWMInfoColVec.size(); kCol++)
{
const BRM::EmDbRootHWMInfo_v& emDbRootHWMInfo2 =
dbRootHWMInfoColVec[kCol];
DBRootExtentInfoState state2 = determineState(
colWidths[kCol],
emDbRootHWMInfo2[i].localHWM,
emDbRootHWMInfo2[i].totalBlocks,
emDbRootHWMInfo2[i].status);
if (state2 == DBROOT_EXTENT_PARTIAL_EXTENT)
{
state = DBROOT_EXTENT_PARTIAL_EXTENT;
resetState[ resetState.size()-1 ] = true;
break;
}
}
}
DBRootExtentInfo dbRootExtent(
emDbRootHWMInfo[i].dbRoot,
emDbRootHWMInfo[i].partitionNum,
emDbRootHWMInfo[i].segmentNum,
emDbRootHWMInfo[i].startLbid,
emDbRootHWMInfo[i].localHWM,
emDbRootHWMInfo[i].totalBlocks,
state);
fDBRootExtentList.push_back( dbRootExtent );
}
std::sort( fDBRootExtentList.begin(), fDBRootExtentList.end() );
if (fLog)
{
// Always log this info for now; may control with debug later
//if (fLog->isDebug(DEBUG_1))
{
std::ostringstream oss;
oss << "Starting DBRoot info for OID " << fOID;
for (unsigned int k=0; k<fDBRootExtentList.size(); k++)
{
oss << std::endl;
oss << " DBRoot-" << fDBRootExtentList[k].fDbRoot <<
", part/seg/hwm/LBID/totBlks/state: " <<
fDBRootExtentList[k].fPartition <<
"/" << fDBRootExtentList[k].fSegment <<
"/" << fDBRootExtentList[k].fLocalHwm <<
"/" << fDBRootExtentList[k].fStartLbid <<
"/" << fDBRootExtentList[k].fDBRootTotalBlocks <<
"/" << stateStrings[ fDBRootExtentList[k].fState ];
if (resetState[k])
oss << ".";
}
fLog->logMsg( oss.str(), MSGLVL_INFO2 );
}
}
}