Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7207#discussion_r33842348
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/UDFSuite.scala ---
@@ -82,6 +83,48 @@ class UDFSuite extends QueryTest {
assert(ctx.sql("SELECT strLenScala('test', 1)").head().getInt(0) === 5)
}
+ test("UDF in a WHERE") {
+ testData.sqlContext.udf.register("oneArgFilter", (n:Int) => { n > 80 })
--- End diff --
we now prefer just having the dataset closer to the test case rather than
putting them in TestData.
You can do something like this easily in each test case itself
```
val df = Seq(("red", 1), ("red", 2), ("blue", 10), ("green", 100),
("green", 200)).toDF("g", "v")
df.registerTempTable("groupData")
```
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