Github user spirom commented on a diff in the pull request:
https://github.com/apache/spark/pull/7207#discussion_r33876368
--- 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 })
+
+ val result =
+ testData.sqlContext.sql("SELECT * FROM testData WHERE
oneArgFilter(key)")
+ assert(result.count() === 20)
+ }
+
+ test("UDF in a HAVING") {
+ testData.sqlContext.udf.register("havingFilter", (n:Long) => { n > 5 })
+
+ val result =
+ testData.sqlContext.sql("SELECT g, SUM(v) as s FROM groupData GROUP
BY g HAVING havingFilter(s)")
+ assert(result.count() === 2)
+ }
+
+ test("UDF in a GROUP BY") {
+ testData.sqlContext.udf.register("groupFunction", (n:Int) => { n > 10
})
+
+ val result =
+ testData.sqlContext.sql("SELECT SUM(v) FROM groupData GROUP BY
groupFunction(v)")
+ assert(result.count() === 2)
+ }
+
+ test("UDFs everywhere") {
+ ctx.udf.register("groupFunction", (n:Int) => { n > 10 })
--- End diff --
Fixed.
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