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https://issues.apache.org/jira/browse/HAWQ-1068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming LI resolved HAWQ-1068.
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Resolution: Fixed
> master process panic with signal 11 when call get_ao_compression_ratio(null)
> ----------------------------------------------------------------------------
>
> Key: HAWQ-1068
> URL: https://issues.apache.org/jira/browse/HAWQ-1068
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Catalog
> Reporter: Ming LI
> Assignee: Ming LI
> Fix For: backlog
>
>
> Customer has a function which will call get_ao_compression_ratio() to pass
> the relation name dynamically. However in some corner case
> get_ao_compression_ratio() will be passed with NULL, which triggered a signal
> 11 and crashed the master process.
> The issue could be easily reproduced in house as shown below:
> gpadmin=# select get_ao_compression_ratio(null);
> server closed the connection unexpectedly
> This probably means the server terminated abnormally
> before or while processing the request.
> The connection to the server was lost. Attempting reset: Failed.
> !> \q
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