diff --git a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java index 3d80df2271..648625b2cc 100644 --- a/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java +++ b/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java @@ -25,6 +25,7 @@ import org.apache.spark.sql.catalyst.util.ArrayData; import org.apache.spark.sql.types.*; import org.apache.spark.unsafe.Platform; import org.apache.spark.unsafe.array.ByteArrayMethods; +import org.apache.spark.unsafe.hash.Murmur3_x86_32; import org.apache.spark.unsafe.types.CalendarInterval; import org.apache.spark.unsafe.types.UTF8String; @@ -299,11 +300,7 @@ public class UnsafeArrayData extends ArrayData { @Override public int hashCode() { - int result = 37; - for (int i = 0; i < sizeInBytes; i++) { - result = 37 * result + Platform.getByte(baseObject, baseOffset + i); - } - return result; + return Murmur3_x86_32.hashUnsafeBytes(baseObject, baseOffset, sizeInBytes, 42); } @Override