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https://issues.apache.org/jira/browse/IMPALA-6152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-6152:
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Component/s: Catalog
> Support wider range of characters in Impala identifiers
> -------------------------------------------------------
>
> Key: IMPALA-6152
> URL: https://issues.apache.org/jira/browse/IMPALA-6152
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog, Frontend
> Reporter: Matyas Orhidi
> Priority: Major
>
> Currently the following characters are available in Impala identifiers:
> {quote}An identifier must start with an alphabetic character. The remainder
> can contain any combination of alphanumeric characters and underscores.
> Quoting the identifier with backticks has no effect on the allowed characters
> in the name.{quote}
> Some data migration use cases would require a wider range of characters. Also
> the following fails in Impala due to '+' in the column but works in hive
> {code}impala-shell> create table asd (`foo+bar` int);
> Query: create table asd (`foo+bar` int)
> ERROR: AnalysisException: Invalid column/field name: foo+bar{code}
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