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https://issues.apache.org/jira/browse/IMPALA-7645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-7645 started by Fredy Wijaya.
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> Allow configuring default file format via query option
> ------------------------------------------------------
>
> Key: IMPALA-7645
> URL: https://issues.apache.org/jira/browse/IMPALA-7645
> Project: IMPALA
> Issue Type: New Feature
> Components: Frontend
> Reporter: Tim Armstrong
> Assignee: Fredy Wijaya
> Priority: Major
>
> It would be useful to have a query option to allow setting the default file
> format. This would allow the file format to be overridden globally or
> per-session. We already have a COMPRESSION_CODEC option.
> We had some discussion on IMPALA-2210 related to this.
> The current default is hardcoded in the code:
> https://github.com/apache/impala/blob/64e6719870db5602a6fa85014bc6c264080b9414/fe/src/main/java/org/apache/impala/analysis/TableDef.java#L136
>
> https://github.com/apache/impala/blob/64e6719870db5602a6fa85014bc6c264080b9414/fe/src/main/java/org/apache/impala/analysis/TableDef.java#L145
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