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[SPARK-23927][SQL][FOLLOW-UP] Fix a build failure.

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## What changes were proposed in this pull request?

This pr is a follow-up pr of #21155.
The #21155 removed unnecessary import at that time, but the import became necessary in another pr.

## How was this patch tested?

Existing tests.

Author: Takuya UESHIN <ueshin@databricks.com>

Closes #21646 from ueshin/issues/SPARK-23927/fup1.
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Takuya UESHIN 2018-06-27 11:52:48 +08:00 committed by Wenchen Fan
parent 2669b4de3b
commit 9a76f23c6a
1 changed files with 1 additions and 0 deletions
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
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@ -28,6 +28,7 @@ import org.apache.spark.sql.catalyst.expressions.codegen._
import org.apache.spark.sql.catalyst.expressions.codegen.Block._
import org.apache.spark.sql.catalyst.util._
import org.apache.spark.sql.catalyst.util.DateTimeUtils._
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types._
import org.apache.spark.unsafe.Platform
import org.apache.spark.unsafe.array.ByteArrayMethods