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Posted to issues@calcite.apache.org by "Haisheng Yuan (Jira)" <ji...@apache.org> on 2020/04/23 02:21:00 UTC

[jira] [Issue Comment Deleted] (CALCITE-3932) Make data type cache thread local, non-evictable

     [ https://issues.apache.org/jira/browse/CALCITE-3932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haisheng Yuan updated CALCITE-3932:
-----------------------------------
    Comment: was deleted

(was: 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?)

> 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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