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https://issues.apache.org/jira/browse/FLINK-24414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17438819#comment-17438819
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Timo Walther commented on FLINK-24414:
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I always thought that DBs left pad for decimals. But if this is not the case.
Happy to close this then.
> Casting a decimal to a String doesn't do left zero padding
> ----------------------------------------------------------
>
> Key: FLINK-24414
> URL: https://issues.apache.org/jira/browse/FLINK-24414
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Marios Trivyzas
> Priority: Major
>
> *CAST(a AS STRING)* where *a* is a *DECIMAL(5.3)* with value *9.87* results in
> *9.870* so we only get right 0 padding to fill in the fractional digits.
>
> Postgres and Oracle also don't do left zero padding.
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