HIVE-8225 : CBO trunk merge: union11 test fails due to incorrect plan (Pengcheng Xiong, reviewed by Sergey Shelukhin, Laljo John Pullokkaran)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1631922 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8415: Vectorized comparison of timestamp and integer needs to treat integer as seconds since epoch (Matt McCline via Jason Dere)


git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1631929 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8391: Comparion between TIMESTAMP and Integer types goes to STRING as "common comparison denominator" instead of a numeric type (Jason Dere, reviewed by Sergey Shelukhin)


git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1631931 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8386: HCAT api call is case sensitive on fields in struct column (Jason Dere, reviewed by Sushanth Sowmyan)


git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1631934 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8102: Partitions of type 'date' behave incorrectly with daylight saving time. (Jason Dere, reviewed by Thejas Nair)


git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1631936 13f79535-47bb-0310-9956-ffa450edef68