Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/7674#discussion_r35491410
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
---
@@ -825,11 +813,43 @@ class DataFrameSuite extends QueryTest with
SQLTestUtils {
assert(e2.getMessage.contains("Inserting into an RDD-based table is
not allowed."))
// error case: insert into an OneRowRelation
- new DataFrame(ctx, OneRowRelation).registerTempTable("one_row")
+ new DataFrame(sqlContext,
OneRowRelation).registerTempTable("one_row")
val e3 = intercept[AnalysisException] {
insertion.write.insertInto("one_row")
}
assert(e3.getMessage.contains("Inserting into an RDD-based table is
not allowed."))
}
}
+
+ test("SPARK-8608: call `show` on local DataFrame with random columns
should return same value") {
+ // Make sure we can pass this test for both codegen mode and
interpreted mode.
+ withSQLConf(SQLConf.CODEGEN_ENABLED.key -> "true") {
+ val df = testData.select(rand(33))
+ assert(df.showString(5) == df.showString(5))
+ }
+
+ withSQLConf(SQLConf.CODEGEN_ENABLED.key -> "false") {
+ val df = testData.select(rand(33))
+ assert(df.showString(5) == df.showString(5))
+ }
+
+ // We will reuse the same Expression object for LocalRelation.
+ val df = (1 to 10).map(Tuple1.apply).toDF().select(rand(33))
+ assert(df.showString(5) == df.showString(5))
+ }
+
+ test("SPARK-8609: local DataFrame with random columns should return same
value after sort") {
--- End diff --
This case should be fixed by https://github.com/apache/spark/pull/7593.
However, `PullOutNondeterministic` rule can also handle it, so we can add this
test before #7593 .
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