HIVE-8492 : Enhance Constant Folding to propagate constants for simple expressions (Ashutosh Chauhan via Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633226 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8497: StatsNoJobTask doesn't close RecordReader, FSDataInputStream of which keeps open to prevent stale data clean (Xiaobing Zhou via Prasanth J)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633231 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8478: Vectorized Reduce-Side Group By doesn't handle Decimal type correctly (Matt McCline via Prasanth J)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633235 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8501 : Fix CBO to use indexes when GenericUDFBridge is applied (Pengcheng Xiong, reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633251 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7623 : hive partition rename fails if filesystem cache is disabled (Navis reviewed by Thejas M Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633272 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7951 : InputFormats implementing (Job)Configurable should not be cached (Navis reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633280 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8186 : Self join may fail if one side has virtual column(s) and other doesn't (Navis reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1633283 13f79535-47bb-0310-9956-ffa450edef68