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https://issues.apache.org/jira/browse/FLINK-1990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538026#comment-14538026
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ASF GitHub Bot commented on FLINK-1990:
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Github user aljoscha commented on the pull request:
https://github.com/apache/flink/pull/667#issuecomment-100940455
Thanks for your contribution!
Could you maybe enhance it along these lines:
http://stackoverflow.com/questions/6080437/case-insensitive-scala-parser-combinator
Because right now it would only support as and AS, but not As or aS. I know
the latter is a rather academic example, but still...
Would you also be interested in adding SQL style aggregations, for example
COUNT(field), MAX(field) and so on? I could open a Jira for this.
> Uppercase "AS" keyword not allowed in select expression
> -------------------------------------------------------
>
> Key: FLINK-1990
> URL: https://issues.apache.org/jira/browse/FLINK-1990
> Project: Flink
> Issue Type: Bug
> Components: Table API
> Affects Versions: 0.9
> Reporter: Fabian Hueske
> Assignee: Aljoscha Krettek
> Priority: Minor
> Fix For: 0.9
>
>
> Table API select expressions do not allow an uppercase "AS" keyword.
> The following expression fails with an {{ExpressionException}}:
> {{table.groupBy("request").select("request, request.count AS cnt")}}
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