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https://issues.apache.org/jira/browse/CALCITE-3932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17090165#comment-17090165
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Haisheng Yuan edited comment on CALCITE-3932 at 4/23/20, 2:14 AM:
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Thanks for your advice. [~Junzheng Zheng] I opened a
[PR|[https://github.com/apache/calcite/pull/1939]].
[~julianhyde] [~danny0405] [~vladimirsitnikov] Can you take a look?
was (Author: hyuan):
Thanks for your advice. [~Junzheng Zheng] I opened a PR.
[~julianhyde] [~danny0405] [~vladimirsitnikov] Can you take a look?
> Make data type cache thread local, non-evictable
> ------------------------------------------------
>
> Key: CALCITE-3932
> URL: https://issues.apache.org/jira/browse/CALCITE-3932
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Fix For: 1.23.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Data type can be evicted out of cache, which is global, thread-safe.
> It seems not necessary to cache them globally, because most of them are
> RelRecordType, which is query dependent, not sharable between different
> queries.
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