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https://issues.apache.org/jira/browse/CALCITE-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15593096#comment-15593096
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Julian Hyde commented on CALCITE-1444:
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I don't comment on github very often. Github reviews tend to get easily lost
(e.g. when the contributor rebases) so if my comments are substantive I'd
prefer to have them in the permanent record in JIRA.
Also, I tend to review by downloading the code, reading it in an IDE, and
running tests. So it's not particularly convenient to go back to the github web
UI to make comments.
> Add support for CONVERT scalar function
> ---------------------------------------
>
> Key: CALCITE-1444
> URL: https://issues.apache.org/jira/browse/CALCITE-1444
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Laurent Goujon
> Assignee: Julian Hyde
>
> Both ODBC and JDBC spec mention a {{CONVERT}} scalar function, which is the
> equivalent of the {{CAST}} function.
> In order for JDBC and ODBC drivers to expose support for this function,
> calcite should support parsing it, and converting it into a {{CAST}}
> expression (currently, it doesn't unlike some other scalar functions).
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