Sergey Shelukhin created HIVE-5626:
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Summary: enable metastore direct SQL for drop/similar queries
Key: HIVE-5626
URL: https://issues.apache.org/jira/browse/HIVE-5626
Project: Hive
Issue Type: Improvement
Reporter: Sergey Shelukhin
Priority: Minor
Metastore direct SQL is currently disabled for any queries running inside
external transaction (i.e. all modification queries, like dropping stuff).
This was done to keep the strictly performance-optimization behavior when using
Postgres, which unlike other RDBMS-es fails the tx on any syntax error; so, if
direct SQL is broken there's no way to fall back. So, it is disabled for these
cases.
It is not as important because drop commands are rare, but we might want to
address that. Either by some config setting or by making it work on
non-postgres DBs.
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