Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/15745#discussion_r86663240
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
---
@@ -1658,4 +1658,49 @@ class DataFrameSuite extends QueryTest with
SharedSQLContext {
val df = spark.createDataFrame(spark.sparkContext.makeRDD(rows),
schema)
assert(df.filter($"array1" === $"array2").count() == 1)
}
+
+ test("SPARK-18207: Compute hash for wider table") {
+ import org.apache.spark.sql.types.{StructType, StringType}
--- End diff --
[This
union](https://github.com/apache/spark/pull/15745/files/9346117b53fdefbcbc3391c8e05de066abb80811#diff-5d2ebf4e9ca5a990136b276859769289R1694)
involves hashing. I confirmed that the original error occurred without this PR.
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