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https://issues.apache.org/jira/browse/TAJO-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843261#comment-13843261
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Hyunsik Choi commented on TAJO-402:
-----------------------------------
For non-standard part, we are following PostgreSQL. to_char() of PostgreSQL is
equivalent to this function.
http://www.postgresql.org/docs/8.4/static/functions-formatting.html
Also, the patch of TAJO-62 already contains to_char function. If you need this
function, TAJO-62 may be helpful to you.
> Implement from_unixtime() function
> ----------------------------------
>
> Key: TAJO-402
> URL: https://issues.apache.org/jira/browse/TAJO-402
> Project: Tajo
> Issue Type: Improvement
> Components: operator/function/udf
> Affects Versions: 0.8-incubating
> Reporter: JaeHwa Jung
> Fix For: 0.8-incubating
>
>
> It converts the specified number of seconds from Unix epoch and returns the
> date in the format 'yyyy-MM-dd HH:mm:ss'.
> {code:xml}
> from_unixtime(unix_timestamp[, format])
> {code}
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