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https://issues.apache.org/jira/browse/TAJO-639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun reopened TAJO-639:
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> Implements function 'to_char'
> -----------------------------
>
> Key: TAJO-639
> URL: https://issues.apache.org/jira/browse/TAJO-639
> Project: Tajo
> Issue Type: New Feature
> Reporter: Seungun Choe
> Priority: Minor
>
> Tajo has already to_char(timestamp, text)
> But, someone need the others type input parameters.
> to_char(int, text) / convert integer to string / to_char(125, '999')
> to_char(double precision, text) / convert real/double precision to string /
> to_char(125.8::real, '999D9')
> to_char(numeric, text) / convert numeric to string / to_char(-125.8,
> '999D99S')
> These are returned text type output parameter.
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