Sergey Shelukhin created HIVE-8691:
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Summary: Hive sometimes cannot be upgraded to 14 using SchemaTool
if original database was autocreate-created
Key: HIVE-8691
URL: https://issues.apache.org/jira/browse/HIVE-8691
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
Lazy creation doesn't make sure all tables are present.
Writing defensive upgrade scripts will make them extremely ugly.
I guess we can accept it for earlier versions... for upgrading from 14 (15?)
onwards, perhaps we can have a flag that would indicate the script has been run
(as opposed to autoCreate). If not, we'd run database creation script for the
original version. All these would need to be made idempotent in a sense that
they should pass when the database was already created. It looks like e.g.
mysql scripts already are (at least for create table statements) but mssql are
not.
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