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https://issues.apache.org/jira/browse/HIVE-2510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132823#comment-13132823
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Ashutosh Chauhan commented on HIVE-2510:
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Sigh. I typed in my reply yesterday but lost it when jira went down : (
Semantic Analyzer creates tasks which are then later executed in
Driver::execute() In this case DDLTask gets created. Actual execution of this
happens in HiveMetaStore::create_table_core()
Apart from CTAS, it never make sense to do it twice, since metastore operation
is the only thing happening in create table statement. For CTAS, it has already
been special cased, where it make such a check in Semantic Analysis.
NPE arises because Hive::getDatabases swallows NoSuchObjectException and
instead returns null. We can either fix that so that it throws the exception or
can check for null at the time of usage.
> Hive throws Null Pointer Exception upon CREATE TABLE <db_name>.<table_name>
> .... if the given <db_name> doesn't exist
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-2510
> URL: https://issues.apache.org/jira/browse/HIVE-2510
> Project: Hive
> Issue Type: Bug
> Reporter: Robert Surówka
> Assignee: Robert Surówka
> Priority: Trivial
> Attachments: HIVE-2510.1.patch, HIVE-2510.2.patch, HIVE-2510.3.patch
>
>
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