Github user concretevitamin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1359#discussion_r14781579
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringOperations.scala
---
@@ -19,8 +19,11 @@ package org.apache.spark.sql.catalyst.expressions
import java.util.regex.Pattern
+import scala.collection.IndexedSeqOptimized
+
import org.apache.spark.sql.catalyst.types.DataType
import org.apache.spark.sql.catalyst.types.StringType
+import org.apache.spark.sql.catalyst.types.BinaryType
--- End diff --
alphabetization or combine the imports
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