[jira] [Commented] (SPARK-17832) TableIdentifier.quotedString creates un-parseable names when name contains a backtick

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-17832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15557760#comment-15557760 ] 

Apache Spark commented on SPARK-17832:
--------------------------------------

User 'jiangxb1987' has created a pull request for this issue:
https://github.com/apache/spark/pull/15403

> TableIdentifier.quotedString creates un-parseable names when name contains a backtick
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-17832
>                 URL: https://issues.apache.org/jira/browse/SPARK-17832
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Herman van Hovell
>            Priority: Minor
>
> The {{quotedString}} method in {{TableIdentifier}} and {{FunctionIdentifier}} produce an illegal (un-parseable) name when the name contains a backtick. For example:
> {noformat}
> import org.apache.spark.sql.catalyst.parser.CatalystSqlParser._
> import org.apache.spark.sql.catalyst.TableIdentifier
> import org.apache.spark.sql.catalyst.analysis.UnresolvedAttribute
> val complexName = TableIdentifier("`weird`table`name", Some("`d`b`1"))
> parseTableIdentifier(complexName.unquotedString) // Does not work
> parseTableIdentifier(complexName.quotedString) // Does not work
> UnresolvedAttribute.parseAttributeName(complexName.unquotedString) // Does not work
> UnresolvedAttribute.parseAttributeName(complexName.quotedString) // Does not work
> {noformat}
> The {{quotedString}} method should escape backticks properly.



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