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https://issues.apache.org/jira/browse/CALCITE-5685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-5685:
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Labels: pull-request-available (was: )
> Support MySQL CONVERT function that works on data types
> -------------------------------------------------------
>
> Key: CALCITE-5685
> URL: https://issues.apache.org/jira/browse/CALCITE-5685
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.34.0
> Reporter: ZheHu
> Assignee: ZheHu
> Priority: Minor
> Labels: pull-request-available
>
> CONVERT function in MySQL has two usage：
> # convert(s USING transcodingName): as described in
> [CALCITE-5664|https://issues.apache.org/jira/projects/CALCITE/issues/CALCITE-5664]
> # convert(value, type): equivalent to CAST function that converts value to
> specific type.
> Here are some examples:
> * convert(150, CHAR)
> * convert(now(), DATE)
> * convert('9.5', DECIMAL(10, 2))
> * convert(15, SIGNED)
> * convert(-2, UNSIGNED)
> Noted: for CONVERT or CAST function in MySQL, they only support converting to
> some specific data
> types(binary、char、date、time、datetime、decimal、signed、unsigned. Moreover, the
> last two aren't JDBC sql Types).
>
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