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Posted to dev@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2018/02/01 05:59:00 UTC
[jira] [Created] (HIVE-18598) Disallow constraints with EXTERNAL
table
Vineet Garg created HIVE-18598:
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Summary: Disallow constraints with EXTERNAL table
Key: HIVE-18598
URL: https://issues.apache.org/jira/browse/HIVE-18598
Project: Hive
Issue Type: Task
Components: SQL
Reporter: Vineet Garg
Assignee: Vineet Garg
Attachments: HIVE-18598.1.patch
Since Hive do not manage the data for external tables and can not enforce constraints it doesn't make sense to allow constraints like PRIMARY KEY, NOT NULL etc for such tables.
User can still specify RELY to signal optimizer for constraint related optimizations.
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