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https://issues.apache.org/jira/browse/HAWQ-135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14995973#comment-14995973
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ASF GitHub Bot commented on HAWQ-135:
-------------------------------------
Github user liming01 closed the pull request at:
https://github.com/apache/incubator-hawq/pull/82
> Explain generate serial will cause coredump in optimizer off
> ------------------------------------------------------------
>
> Key: HAWQ-135
> URL: https://issues.apache.org/jira/browse/HAWQ-135
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Optimizer
> Reporter: Ming LI
> Assignee: Ming LI
>
> SET optimizer=off;
> EXPLAIN ANALYZE
> SELECT COUNT(i1) FROM generate_series(0,499) i1, generate_series(100,199) i2
> GROUP BY i1,i2;
> all other simplest query will crash when executed with 'optimizer=off'
> explain select generate_series(0,499);
> explain select 1;
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