DataBlockType specifies the encoding type of returned data block.
Enumeration value list
DBT_PLAIN_BUFFER specifies that the data block is encoded in PlainBuffer.
DBT_SIMPLE_ROW_MATRIX specifies that the data block is encoded in Simple Row Matrix.
enum DataBlockType {
DBT_PLAIN_BUFFER = 0;
DBT_SIMPLE_ROW_MATRIX = 1;
}