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https://issues.apache.org/jira/browse/SPARK-13297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-13297.
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Resolution: Cannot Reproduce
I am resolving this as {{Cannot Reproduce}} as it "can’t be reproduced against
master as reported" and the reporter confirmed it was fixed in the current
master. If we can find the PR, we should backport this into 1.6.x I think.
> [SQL] Backticks cannot be escaped in column names
> -------------------------------------------------
>
> Key: SPARK-13297
> URL: https://issues.apache.org/jira/browse/SPARK-13297
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Grzegorz Chilkiewicz
> Priority: Minor
>
> We want to use backticks to escape spaces & minus signs in column names.
> Are we unable to escape backticks when a column name is surrounded by
> backticks?
> It is not documented in:
> http://spark.apache.org/docs/latest/sql-programming-guide.html
> In MySQL there is a way: double the backticks, but this trick doesn't work in
> Spark-SQL.
> Am I correct or just missing something? Is there a way to escape backticks
> inside a column name when it is surrounded by backticks?
> Code to reproduce the problem:
> https://github.com/grzegorz-chilkiewicz/SparkSqlEscapeBacktick
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