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https://issues.apache.org/jira/browse/IMPALA-14813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18102326#comment-18102326
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Cyan Zheng commented on IMPALA-14813:
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Hi [~scarlin] I'm new to Apache Impala contributions, just wondering is it okay
for me to start working on this Jira if you haven't started looking into it.
Thank you! :)
> Calcite Planner: orc stats predicate not created for "bool = true" condition
> ----------------------------------------------------------------------------
>
> Key: IMPALA-14813
> URL: https://issues.apache.org/jira/browse/IMPALA-14813
> Project: IMPALA
> Issue Type: Bug
> Reporter: Steve Carlin
> Priority: Major
>
> In orc-stats.test, for the following query:
> select count(*) from functional_orc_def.alltypessmall_bool_sorted where
> bool_col = true;
> The Calcite planner is simplifying the "bool_col = true" condition to
> "bool_col". Because of this, the orc statistics predicate is not getting
> created (which can be observed by setting the explain_level to 2)
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