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-rw-r--r--sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala6
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
index 524571d9cc..0da619def1 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
@@ -89,6 +89,12 @@ class DataFrameSuite extends QueryTest {
testData.collect().toSeq)
}
+ test("head and take") {
+ assert(testData.take(2) === testData.collect().take(2))
+ assert(testData.head(2) === testData.collect().take(2))
+ assert(testData.head(2).head.schema === testData.schema)
+ }
+
test("self join") {
val df1 = testData.select(testData("key")).as('df1)
val df2 = testData.select(testData("key")).as('df2)