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https://issues.apache.org/jira/browse/CALCITE-5459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17652201#comment-17652201
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Zou commented on CALCITE-5459:
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Recently, a lot of ticket have been created to implement various BigQuery
functions, maybe it is better to create an umbrella ticket and gather all the
separated ones. What do you think?
> Implement BigQuery TIME() Function
> ----------------------------------
>
> Key: CALCITE-5459
> URL: https://issues.apache.org/jira/browse/CALCITE-5459
> Project: Calcite
> Issue Type: Improvement
> Reporter: Tanner Clary
> Assignee: Tanner Clary
> Priority: Major
>
> Add support for BigQuery's {{TIME()}} function. The function constructs a
> {{TIME}} expression from the provided arguments.
> There are three ways the function can be called:
> 1. {{TIME(HOUR, MINUTE, SECOND)}}
> 2. {{TIME(TIMESTAMP [, TIMEZONE])}} (Calcite does not currently support
> timestamp with time zone.
> 3. {{TIME(DATETIME)}} (Calcite does not currently support DATETIME)
> Examples:
> {{TIME(5, 30, 50)}} would return '05:30:50'.
> {{TIME(TIMESTAMP '2008-12-25 15:30:00')}} would return '15:30:00'.
> [BigQuery Docs |
> https://cloud.google.com/bigquery/docs/reference/standard-sql/time_functions#time]
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