[jira] [Commented] (CALCITE-5301) Support AT TIME ZONE

["Julian Hyde (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-5301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17610695#comment-17610695 ] 

Julian Hyde commented on CALCITE-5301:
--------------------------------------

This would require supporting the {{TIMESTAMP WITH TIME ZONE}} data type, right? 

A couple of notes on Jira formatting. You can just write a jira case number, e.g. CALCITE-3238. For monospaced font use brace-brace not backtick. Can you fix the description, please.

> Support AT TIME ZONE
> --------------------
>
>                 Key: CALCITE-5301
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5301
>             Project: Calcite
>          Issue Type: New Feature
>          Components: core
>            Reporter: Rong Rong
>            Priority: Major
>
> Calcite already supports WITH TIME ZONE suffix in: https://issues.apache.org/jira/browse/CALCITE-3238
> a slightly different syntax supported by many is: `AT TIME ZONE`
> see:
> - https://www.postgresql.org/docs/14/functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT
> - https://prestodb.io/docs/current/functions/datetime.html#time-zone-conversion
> would it be possible to support this syntax that converts a TIMESTAMP with time zone to another timezone?



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