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From "Ming LI (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAWQ-1068) master process panic with signal 11 when call get_ao_compression_ratio(null)
Date Thu, 22 Sep 2016 07:13:20 GMT
Ming LI created HAWQ-1068:
-----------------------------

             Summary: 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: Lei Chang
             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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