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https://issues.apache.org/jira/browse/FLINK-36941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17907287#comment-17907287
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Yiyu Tian edited comment on FLINK-36941 at 12/20/24 7:29 AM:
-------------------------------------------------------------
Verifying in the code that, _DATE_FORMAT(timestamp, string)_ eventually calls
_formatTimestamp(TimestampData ts, String format, ZoneId zoneId)_ in
{_}DateTimeUtils.java{_}, which uses [DateTimeFormatter|#L724]].
_DATE_FORMAT(string, string)_ eventually calls
_formatTimestampStringWithOffset(_
_String dateStr, String fromFormat, String toFormat, TimeZone tz, long
offsetMills)_ in {_}DateTimeUtils.java{_}, which uses
[SimpleDateFormat|https://github.com/apache/flink/blob/1523f2c2062b860a2abfe75f8ead276bb161d64a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/utils/DateTimeUtils.java#L743].
was (Author: JIRAUSER307116):
Verifying in the code that,
??DATE_FORMAT(timestamp, string)?? eventually calls
??formatTimestamp(TimestampData ts, String format, ZoneId zoneId)?? in
??DateTimeUtils.java??, which uses [DateTimeFormatter|#L724]].
??DATE_FORMAT(string, string)?? eventually calls
??formatTimestampStringWithOffset(??
??String dateStr, String fromFormat, String toFormat, TimeZone tz, long
offsetMills)?? in ??DateTimeUtils.java??, which uses
[SimpleDateFormat|https://github.com/apache/flink/blob/1523f2c2062b860a2abfe75f8ead276bb161d64a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/utils/DateTimeUtils.java#L743].
> Fix Doc for DATE_FORMAT
> -----------------------
>
> Key: FLINK-36941
> URL: https://issues.apache.org/jira/browse/FLINK-36941
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Reporter: Yiyu Tian
> Priority: Major
>
> The documentation for DATE_FORMAT is outdated.
> https://github.com/apache/flink/blob/6951686be5691dc855b6d07d575535ac239670da/docs/data/sql_functions.yml#L645
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