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https://issues.apache.org/jira/browse/SPARK-25153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16930896#comment-16930896
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Jeff Evans commented on SPARK-25153:
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Opened a pull request for this (see link added by the bot). Open to
suggestions on the exact wording of the "suggestion", of course.
> Improve error messages for columns with dots/periods
> ----------------------------------------------------
>
> Key: SPARK-25153
> URL: https://issues.apache.org/jira/browse/SPARK-25153
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: holdenk
> Priority: Trivial
> Labels: starter
>
> When we fail to resolve a column name with a dot in it, and the column name
> is present as a string literal the error message could mention using
> backticks to have the string treated as a literal.
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