TAJO-180: Better error messages for StorageManager.listStatus$InvalidInputException. (hyunsik)
TAJO-168: infinite loop occurs when QueryMaster is stopping. (jinho)
TAJO-178: Implements StorageManager for scanning asynchronously. (hyoungjunkim via hyunsik)
TAJO-178: Implements StorageManager for scanning asynchronously. (only fixed CHANGES.txt)
TAJO-181: Improvement of disk scheduler policy for straggler disk. (hyoungjunkim via hyunsik)
TAJO-119: Refactor and Improve Datum. (jinho)
TAJO-184: Refactor GlobalPlanner and global plan data structure. (hyunsik)
TAJO-183: Creating too many TableMetaProto objects might lead a potential memory leak. (jihoon)
TAJO-186: Improve column resolving method. (hyunsik)
TAJO-46: The "having" clause does not work properly. (hyunsik)
TAJO-187: The exception 'Some targets cannot be evaluated' is caused in nested joins. (hyunsik)
TAJO-193: Add string pattern matching operators. (hyunsik)
TAJO-185: Implement split_part function. (hyunsik)
TAJO-198: The split function does not work properly. (jinho)
TAJO-194: LogicalNode should have an identifier to distinguish each logical node instance. (hyunsik)
TAJO-191: INSERT OVERWRITE INTO statement should follow the table meta in catalog. (jinho)
TAJO-197: Implement Enforcer that forces physical planner to choose specified algorithms. (hyunsik)
TAJO-205: Repartitioner occasionally chooses a partition number as one. (hyunsik)
Adjusted histogram max size.
TAJO-203: Field delimiter does not work correctly. (jinho)