HIVE-8671: Overflow in estimate row count and data size with fetch column stats (Prasanth J reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636018 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8687: Support Avro through HCatalog (Sushanth Sowmyan, reviewed by Alan Gates)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636021 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8685 DDL operations in WebHCat set proxy user to null in unsecure mode (Eugene Koifman, reviewed by Thejas M Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636023 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8688 : serialized plan OutputStream is not being closed (Thejas Nair, reviewed by Jason Dere)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636027 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8666 - hive.metastore.server.max.threads default is too high (Brock reviewed by Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636028 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8461: Make Vectorized Decimal query results match Non-Vectorized query results with respect to trailing zeroes... .0000 (Matt McCline reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636047 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8656 : CBO: auto_join_filters fails (Julian Hyde via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1636060 13f79535-47bb-0310-9956-ffa450edef68