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https://issues.apache.org/jira/browse/CALCITE-5619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17707148#comment-17707148
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Julian Hyde commented on CALCITE-5619:
--------------------------------------
Thanks for the PR, [~tnieradzik].
In his fix for CALCITE-5180 (FORMAT_TIMESTAMP, etc.) a few weeks ago,
[~tjbanghart] started adding a framework for these kinds of functions. Could
you adapt your fix to use the same framework (i.e. set up a POSTGRES map in
{{FormatModels}} similar to
[BIG_QUERY|https://github.com/apache/calcite/blob/49a0d5e9c1ef65618425189b22f2a2b5ed51f6d8/core/src/main/java/org/apache/calcite/util/format/FormatModels.java#L77]).
> Support PostgreSQL's TO_CHAR function
> -------------------------------------
>
> Key: CALCITE-5619
> URL: https://issues.apache.org/jira/browse/CALCITE-5619
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Tim Nieradzik
> Assignee: Tim Nieradzik
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The following query cannot be parsed because `to_char` is not supported:
> `select to_char(current_timestamp, 'YYYY-MM-DD HH24:MI:SS.MS TZ')`
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