HIVE-8082: generateErrorMessage doesn't handle null ast properly (Rahul Palamuttam via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1627587 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8188: ExprNodeGenericFuncEvaluator::_evaluate() loads class annotations in a tight loop (Gopal V via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1627618 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8178: OrcNewInputFormat::getSplits() calls OrcInputFormat.generateSplitsInfo twice (Gopal V via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1627637 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8246: HiveServer2 in http-kerberos mode is restrictive on client usernames (Vaibhav Gumashta reviewed by Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1627665 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7107 : Fix HiveServer1 JDBC Driver spec compliancy issue (Lars Francke via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1627680 13f79535-47bb-0310-9956-ffa450edef68