Sync of Branch-3 & Branch-3.1 for 3.2.0 pipeline

Hi team, We have started working on the hive-3.2.0 release. The plan is to cut branch-3.2 from the base branch-3. While we were working on the 3.2.0 release, we found that there are some commits (Please refer to this Parent JIRA for the analysis -

[jira] [Created] (HIVE-26800) Backport HIVE-21755 : Backport HIVE-21462 to branch-3: Upgrading SQL server backed metastore when changing

Aman Raj created HIVE-26800: --- Summary: Backport HIVE-21755 : Backport HIVE-21462 to branch-3: Upgrading SQL server backed metastore when changing Key: HIVE-26800 URL: https://issues.apache.org/jira/browse/HIVE-26800