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https://issues.apache.org/jira/browse/IMPALA-11049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455167#comment-17455167
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Sheng Wang commented on IMPALA-11049:
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Thanks for quick reply [~boroknagyz], I agree with you, it's better to add a
condition check in 'SimplifyCastExprRule'. And I will also try to invoke
analyze for 'orderByElements_'. Here are two modifies, should I do these in
different patchs? Or create another issue for 'orderByElements_' analyze?
> Order by clause contains cast expr execute failed after
> 'SimplifyCastExprRule' rewrite
> --------------------------------------------------------------------------------------
>
> Key: IMPALA-11049
> URL: https://issues.apache.org/jira/browse/IMPALA-11049
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 4.1.0
> Reporter: Sheng Wang
> Assignee: Sheng Wang
> Priority: Major
>
> When add new rewrite rule 'SimplifyCastExprRule' in IMPALA-10836, this query
> will execute failed:
> {code:java}
> explain
> SELECT month(to_timestamp(cast(d_date_sk AS string),'yyyy-MM-dd')) aa
> FROM date_dim
> GROUP BY month(to_timestamp(cast(d_date_sk AS string),'yyyy-MM-dd'))
> ORDER BY month(to_timestamp(cast(d_date_sk AS string),'yyyy-MM-dd')) LIMIT 10;
> {code}
> The exception is:
> {code:java}
> ERROR: AnalysisException: No matching function with signature:
> to_timestamp(INT, STRING).
> {code}
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