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Posted to issues@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2022/05/05 00:52:00 UTC

[jira] [Resolved] (IMPALA-11141) Use exact data types in IN-list filter

     [ https://issues.apache.org/jira/browse/IMPALA-11141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang resolved IMPALA-11141.
-------------------------------------
    Fix Version/s: Impala 4.1.0
       Resolution: Fixed

> Use exact data types in IN-list filter
> --------------------------------------
>
>                 Key: IMPALA-11141
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11141
>             Project: IMPALA
>          Issue Type: Improvement
>            Reporter: Quanlong Huang
>            Assignee: Quanlong Huang
>            Priority: Major
>             Fix For: Impala 4.1.0
>
>
> Currently, we use a std::unordered_set<int64_t> for all integer types (including DATE type). It's a waste of space for small data types like tinyint, smallint, int, etc. We'd better extends the base InListFilter class with different implementations for different data types.



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