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https://issues.apache.org/jira/browse/SPARK-13297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15147371#comment-15147371
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Grzegorz Chilkiewicz commented on SPARK-13297:
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I've verified it on:
http://people.apache.org/~pwendell/spark-nightly/spark-master-bin/latest/spark-2.0.0-SNAPSHOT-bin-hadoop2.6.tgz
You are right, it looks like the problem is fixed there!
But still - it is not fixed in branch 1.6
I've found that this commit:
https://github.com/apache/spark/commit/7cd7f2202547224593517b392f56e49e4c94cabc
fixed issue in master branch.
Shouldn't we cherry-pick that commit? (it's big - it could be hard...)
> [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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