[jira] [Created] (SPARK-43142) DSL expressions fail on attribute with special characters

["Willi Raschkowski (Jira)" <ji...@apache.org>]

Willi Raschkowski created SPARK-43142:
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             Summary: DSL expressions fail on attribute with special characters
                 Key: SPARK-43142
                 URL: https://issues.apache.org/jira/browse/SPARK-43142
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.4.0
            Reporter: Willi Raschkowski


Expressions on implicitly converted attributes fail if the attributes have names containing special characters. They fail even if the attributes are backtick-quoted:
{code:java}
scala> import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.dsl.expressions._

scala> "`slashed/col`".attr
res0: org.apache.spark.sql.catalyst.analysis.UnresolvedAttribute = 'slashed/col

scala> "`slashed/col`".attr.asc
org.apache.spark.sql.catalyst.parser.ParseException:
mismatched input '/' expecting {<EOF>, '.', '-'}(line 1, pos 7)

== SQL ==
slashed/col
-------^^^
{code}



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