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https://issues.apache.org/jira/browse/IMPALA-10873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403837#comment-17403837
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Quanlong Huang commented on IMPALA-10873:
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We can also push down IS_NULL predicates. Here are what currently supported:
https://github.com/apache/orc/blob/e20cc17a5a5ca3527b3144615b1822c7ee3ba404/c%2B%2B/include/orc/sargs/SearchArgument.hh
Edited the JIRA title to refect this.
> Push down IN-list predicate to ORC reader
> -----------------------------------------
>
> Key: IMPALA-10873
> URL: https://issues.apache.org/jira/browse/IMPALA-10873
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Quanlong Huang
> Priority: Major
>
> IMPALA-6505 pushs down the min-max predicates into the ORC reader. Since
> ORC's SearchArguments also support IN-list predicates, we can consider
> pushing down IN-list and not IN-list predicates into it.
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