public IRollback Commit(PartitionTxData pd)
{
if (!_isStorageInitialized)
{
return(null);
}
// Set respective append offset.
// Some serializers can skip null fields.
var count = pd.NextRowID;
for (int i = 0; i < _columnStorage.OpenFileCount; i++)
{
var file = _columnStorage.GetOpenedFileByID(i);
if (file != null)
{
var column = _metadata.GetColumnByID(file.ColumnID);
var size = StorageSizeUtils.GetRecordSize(column, file.DataType);
if (size > 0)
{
pd.AppendOffset[file.FileID] = count * size;
}
}
}
return(_txSupport.Commit(pd));
}
private static IColumnMetadata GetTimestamp(IJournalMetadata metadata)
{
if (!metadata.TimestampColumnID.HasValue)
{
return(null);
}
return(metadata.GetColumnByID(metadata.TimestampColumnID.Value));
}
public T?GetNullable <T>(long rowId, int columnIndex) where T : struct
{
int partitionID = RowIDUtil.ToPartitionIndex(rowId);
long localRowID = RowIDUtil.ToLocalRowID(rowId);
if (_columnMaps != null)
{
columnIndex = _columnMaps[columnIndex];
}
var nullable = _metadata.GetColumnByID(columnIndex).Nullable;
var nullIndex = _metadata.GetColumnByID(columnIndex).NullIndex;
if (nullable && _bitSetColIndex != -1)
{
if (partitionID == _lastPartitionID)
{
byte[] bitset = ((IBitsetColumn)_lastPartitionReader.ReadColumn(_bitSetColIndex))
.GetValue(localRowID, _tx.ReadCache);
if (new ByteArray(bitset).IsSet(nullIndex))
{
return(default(T?));
}
}
else if (UpdatePartitionGetIsNull(partitionID, localRowID, nullIndex))
{
return(default(T?));
}
}
if (partitionID == _lastPartitionID)
{
return(((ITypedColumn <T>)_lastPartitionReader.ReadColumn(columnIndex)).Get(localRowID, _tx.ReadCache));
}
return(UpdatePartition <T>(partitionID, localRowID, columnIndex));
}
