Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/12646#discussion_r114088961 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala --- @@ -24,13 +24,13 @@ import java.util.regex.Pattern import scala.collection.mutable.ArrayBuffer +import org.apache.spark.sql.AnalysisException import org.apache.spark.sql.catalyst.InternalRow import org.apache.spark.sql.catalyst.analysis.TypeCheckResult import org.apache.spark.sql.catalyst.expressions.codegen._ import org.apache.spark.sql.catalyst.util.{ArrayData, GenericArrayData} import org.apache.spark.sql.types._ import org.apache.spark.unsafe.types.{ByteArray, UTF8String} - --- End diff -- We shouldn't remove this space line.
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