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Posted to issues@calcite.apache.org by "Yu Xu (Jira)" <ji...@apache.org> on 2025/03/29 04:18:00 UTC

[jira] [Updated] (CALCITE-6926) ClickHouse float should not transform to Double type

     [ https://issues.apache.org/jira/browse/CALCITE-6926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yu Xu updated CALCITE-6926:
---------------------------
    Summary: ClickHouse float should not transform to Double type  (was: ClickHouse float should not transform to Double)

> ClickHouse float should not transform to Double type
> ----------------------------------------------------
>
>                 Key: CALCITE-6926
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6926
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.39.0
>            Reporter: Yu Xu
>            Assignee: Yu Xu
>            Priority: Major
>             Fix For: 1.40.0
>
>
> In ClickHouse float should to be Float32, double to be Float64, this can refer to document:
> [https://clickhouse.com/docs/sql-reference/data-types/float]
>  
> The equivalent types in ClickHouse and in C are given below:
>  * {{Float32}} — {{{}float{}}}.
>  * {{Float64}} — {{{}double{}}}.



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