TAJO-844: JDBC should be support getTime, getDate, getTimestamp

[babokim]

No description provided.

[hyunsik]

My timezone is PDT. There is no TZ environment. In this environment, I faced some unit test failure as follows:

Result:

Results :

Failed tests:   testSortWithDate(org.apache.tajo.engine.query.TestSortQuery): Result Verification expected:<...(..)

expected:

col1,col2,col3
-------------------------------
1993-11-09 20:34:56.0,1997-01-28,08:34:56
1995-11-09 20:34:56.0,1993-11-09,20:34:56
1995-11-09 20:34:56.0,1994-02-02,17:34:56
1997-11-09 20:34:56.0,1996-03-13,19:34:56
1997-11-09 20:34:56.0,1996-04-12,15:34:56

Actual:

col1,col2,col3
-------------------------------
1993-11-09 20:34:56,1997-01-28,08:34:56
1995-11-09 20:34:56,1993-11-09,20:34:56
1995-11-09 20:34:56,1994-02-02,17:34:56
1997-11-09 20:34:56,1996-03-13,19:34:56
1997-11-09 20:34:56,1996-04-12,15:34:56

[babokim]

Removed ".0" from result file from test resources.

[hyunsik]

+1

The patch looks good to me. Thank you for your contribution.