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https://issues.apache.org/jira/browse/IMPALA-7956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16717692#comment-16717692
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Tim Armstrong commented on IMPALA-7956:
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Two options I mentioned on the CR:
* Get rid of the is_dml logic and just display whatever result set the server
sends back (this is the same as other clients).
* Get the statement type from impala after the query is planned
> Use Impala SQL parser in Impala shell
> -------------------------------------
>
> Key: IMPALA-7956
> URL: https://issues.apache.org/jira/browse/IMPALA-7956
> Project: IMPALA
> Issue Type: Improvement
> Components: Clients
> Affects Versions: Impala 3.2.0
> Reporter: Fredy Wijaya
> Priority: Major
>
> Impala shell uses regular expression instead of a real SQL parser to
> determine whether the with clause is a DML statement or not:
> https://github.com/apache/impala/blob/ecf12bec42e11262b88dc0993e375fe4d8acaafb/shell/impala_shell.py#L1157.
> We need to investigate on using Impala SQL parser instead.
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