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Posted to issues-all@impala.apache.org by "Qifan Chen (Jira)" <ji...@apache.org> on 2021/04/08 17:00:13 UTC
[jira] [Updated] (IMPALA-10647) Improve always-true min/max filter
handling in coordinator
[ https://issues.apache.org/jira/browse/IMPALA-10647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Qifan Chen updated IMPALA-10647:
--------------------------------
Description:
Currently, when a just arriving min/max filter is the last one to arrive or is always true, the coordinator disables the corresponding filter
representation by setting it to Always True. This makes it impossible to differentiate a true AlwaysTrue filter (say, set in the
hash join building step) from the one being disabled.
A better handling is needed in this area.
was:
Currently, when a justarriving min/max filter is the last one to arrive or is always true, the coordinator disables the corresponding filter
representation by setting it to Always True. This makes it
impossible to differentiate a true AlwaysTrue filter (say, set in the
hash join building step) from the one being disabled.
A better handling is needed in this area.
> Improve always-true min/max filter handling in coordinator
> ----------------------------------------------------------
>
> Key: IMPALA-10647
> URL: https://issues.apache.org/jira/browse/IMPALA-10647
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Qifan Chen
> Assignee: Qifan Chen
> Priority: Major
>
> Currently, when a just arriving min/max filter is the last one to arrive or is always true, the coordinator disables the corresponding filter
> representation by setting it to Always True. This makes it impossible to differentiate a true AlwaysTrue filter (say, set in the
> hash join building step) from the one being disabled.
> A better handling is needed in this area.
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