Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/20659#discussion_r172588393
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/orc/OrcColumnarBatchReader.java
---
@@ -21,6 +21,9 @@
import java.util.stream.IntStream;
import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.common.type.HiveDecimal;
+import org.apache.hadoop.hive.ql.exec.vector.*;
+import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
--- End diff --
Please revert this.
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