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https://issues.apache.org/jira/browse/HIVE-21739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aditya Shah reassigned HIVE-21739:
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> Make metastore DB backward compatible with pre-catalog versions of hive.
> ------------------------------------------------------------------------
>
> Key: HIVE-21739
> URL: https://issues.apache.org/jira/browse/HIVE-21739
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 2.1.1, 1.2.0
> Reporter: Aditya Shah
> Assignee: Aditya Shah
> Priority: Major
>
> Since the addition of foreign key constraint between Database ('DBS') table
> and catalogs ('CTLGS') table in HIVE-18755 we are able to run a simple create
> database command with an older version of Metastore Server. This is due to
> older versions having JDO schema as per older schema of 'DBS' which did not
> have an additional 'CTLG_NAME' column.
> The error is as follows:
> {code:java}
> org.apache.hadoop.hive.ql.metadata.HiveException:
> MetaException(message:Exception thrown flushing changes to datastore)
> ....
> java.sql.BatchUpdateException: Cannot add or update a child row: a foreign
> key constraint fails ("metastore_1238"."DBS", CONSTRAINT "CTLG_FK1" FOREIGN
> KEY ("CTLG_NAME") REFERENCES "CTLGS" ("NAME"))
> {code}
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