Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/1063#discussion_r15724509
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/PythonUDFSuite.scala
---
@@ -0,0 +1,199 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql
+
+import org.apache.spark.sql.catalyst.expressions.GenericRow
+import org.apache.spark.sql.test.TestSQLContext
+
+class PythonUDFSuite extends QueryTest {
+ import TestSQLContext._
+
+ val testData = sparkContext.parallelize(
+ (1 to 100).map(i => TestData(i, i.toString)))
+ testData.registerAsTable("testData")
+
+ /* sqlCtx.registerFunction("test", lambda (x): "test:" + x) */
+ registerPython(
+ "test",
+ Array[Byte](-128, 2, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46, 99,
108, 111, 117, 100, 112,
+ 105, 99, 107, 108, 101, 10, 95, 109, 111, 100, 117, 108, 101, 115,
95, 116, 111, 95, 109, 97,
+ 105, 110, 10, 113, 0, 93, 113, 1, 85, 11, 112, 121, 115, 112, 97,
114, 107, 46, 115, 113, 108,
+ 113, 2, 97, -123, 113, 3, 82, 49, 99, 112, 121, 115, 112, 97, 114,
107, 46, 99, 108, 111, 117,
+ 100, 112, 105, 99, 107, 108, 101, 10, 95, 102, 105, 108, 108, 95,
102, 117, 110, 99, 116, 105,
+ 111, 110, 10, 113, 4, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46,
99, 108, 111, 117, 100,
+ 112, 105, 99, 107, 108, 101, 10, 95, 109, 97, 107, 101, 95, 115,
107, 101, 108, 95, 102, 117,
+ 110, 99, 10, 113, 5, 99, 110, 101, 119, 10, 99, 111, 100, 101, 10,
113, 6, 40, 75, 2, 75, 2,
+ 75, 3, 75, 19, 85, 13, 116, 0, 0, -120, 0, 0, 124, 1, 0, -125, 2, 0,
83, 113, 7, 78, -123,
+ 113, 8, 85, 4, 105, 109, 97, 112, 113, 9, -123, 113, 10, 85, 5, 115,
112, 108, 105, 116, 113,
+ 11, 85, 8, 105, 116, 101, 114, 97, 116, 111, 114, 113, 12, -122,
113, 13, 85, 53, 47, 85, 115,
+ 101, 114, 115, 47, 109, 97, 114, 109, 98, 114, 117, 115, 47, 119,
111, 114, 107, 115, 112, 97,
+ 99, 101, 47, 115, 112, 97, 114, 107, 47, 112, 121, 116, 104, 111,
110, 47, 112, 121, 115, 112,
+ 97, 114, 107, 47, 115, 113, 108, 46, 112, 121, 113, 14, 85, 4, 102,
117, 110, 99, 113, 15, 75,
+ 81, 85, 0, 113, 16, 85, 1, 102, 113, 17, -123, 113, 18, 41, 116,
113, 19, 82, 113, 20, 75, 1,
+ 125, 113, 21, -121, 113, 22, 82, 113, 23, 125, 113, 24, 104, 9, 99,
105, 116, 101, 114, 116,
+ 111, 111, 108, 115, 10, 105, 109, 97, 112, 10, 113, 25, 115, 78, 93,
113, 26, 104, 4, 40, 104,
+ 5, 104, 6, 40, 75, 1, 75, 1, 75, 2, 75, 67, 85, 8, 100, 1, 0, 124,
0, 0, 23, 83, 113, 27, 78,
+ 85, 5, 116, 101, 115, 116, 58, 113, 28, -122, 113, 29, 41, 85, 1,
120, 113, 30, -123, 113, 31,
+ 85, 7, 60, 115, 116, 100, 105, 110, 62, 113, 32, 85, 8, 60, 108, 97,
109, 98, 100, 97, 62,
+ 113, 33, 75, 1, 85, 0, 113, 34, 41, 41, 116, 113, 35, 82, 113, 36,
75, 0, 125, 113, 37, -121,
+ 113, 38, 82, 113, 39, 125, 113, 40, 78, 93, 113, 41, 125, 113, 42,
116, 82, 97, 125, 113, 43,
+ 116, 82, 99, 112, 121, 115, 112, 97, 114, 107, 46, 115, 101, 114,
105, 97, 108, 105, 122, 101,
+ 114, 115, 10, 66, 97, 116, 99, 104, 101, 100, 83, 101, 114, 105, 97,
108, 105, 122, 101, 114,
+ 10, 113, 44, 41, -127, 113, 45, 125, 113, 46, 40, 85, 9, 98, 97,
116, 99, 104, 83, 105, 122,
+ 101, 113, 47, 77, 0, 4, 85, 10, 115, 101, 114, 105, 97, 108, 105,
122, 101, 114, 113, 48, 99,
+ 112, 121, 115, 112, 97, 114, 107, 46, 115, 101, 114, 105, 97, 108,
105, 122, 101, 114, 115,
+ 10, 80, 105, 99, 107, 108, 101, 83, 101, 114, 105, 97, 108, 105,
122, 101, 114, 10, 113, 49,
+ 41, -127, 113, 50, 125, 113, 51, 85, 19, 95, 111, 110, 108, 121, 95,
119, 114, 105, 116, 101,
+ 95, 115, 116, 114, 105, 110, 103, 115, 113, 52, -119, 115, 98, 117,
98, 104, 45, -121, 113,
+ 53, 46),
+ new java.util.HashMap[String, String](),
+ new java.util.LinkedList[String](),
+ "python",
+ null,
+ "string"
+ )
+
+ /**
+ * import re
+ * sqlCtx.registerFunction("countMatches",
+ * lambda (pattern, string): re.subn(pattern, '', string)[1],
returnType = "int")
+ */
+ registerPython(
+ "countMatches",
+ Array[Byte](-128, 2, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46, 99,
108, 111, 117, 100, 112,
+ 105, 99, 107, 108, 101, 10, 95, 109, 111, 100, 117, 108, 101, 115,
95, 116, 111, 95, 109, 97,
+ 105, 110, 10, 113, 0, 93, 113, 1, 85, 11, 112, 121, 115, 112, 97,
114, 107, 46, 115, 113, 108,
+ 113, 2, 97, -123, 113, 3, 82, 49, 99, 112, 121, 115, 112, 97, 114,
107, 46, 99, 108, 111, 117,
+ 100, 112, 105, 99, 107, 108, 101, 10, 95, 102, 105, 108, 108, 95,
102, 117, 110, 99, 116, 105,
+ 111, 110, 10, 113, 4, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46,
99, 108, 111, 117, 100,
+ 112, 105, 99, 107, 108, 101, 10, 95, 109, 97, 107, 101, 95, 115,
107, 101, 108, 95, 102, 117,
+ 110, 99, 10, 113, 5, 99, 110, 101, 119, 10, 99, 111, 100, 101, 10,
113, 6, 40, 75, 2, 75, 2,
+ 75, 3, 75, 19, 85, 13, 116, 0, 0, -120, 0, 0, 124, 1, 0, -125, 2, 0,
83, 113, 7, 78, -123,
+ 113, 8, 85, 4, 105, 109, 97, 112, 113, 9, -123, 113, 10, 85, 5, 115,
112, 108, 105, 116, 113,
+ 11, 85, 8, 105, 116, 101, 114, 97, 116, 111, 114, 113, 12, -122,
113, 13, 85, 53, 47, 85, 115,
+ 101, 114, 115, 47, 109, 97, 114, 109, 98, 114, 117, 115, 47, 119,
111, 114, 107, 115, 112, 97,
+ 99, 101, 47, 115, 112, 97, 114, 107, 47, 112, 121, 116, 104, 111,
110, 47, 112, 121, 115, 112,
+ 97, 114, 107, 47, 115, 113, 108, 46, 112, 121, 113, 14, 85, 4, 102,
117, 110, 99, 113, 15, 75,
+ 81, 85, 0, 113, 16, 85, 1, 102, 113, 17, -123, 113, 18, 41, 116,
113, 19, 82, 113, 20, 75, 1,
+ 125, 113, 21, -121, 113, 22, 82, 113, 23, 125, 113, 24, 104, 9, 99,
105, 116, 101, 114, 116,
+ 111, 111, 108, 115, 10, 105, 109, 97, 112, 10, 113, 25, 115, 78, 93,
113, 26, 104, 4, 40, 104,
+ 5, 104, 6, 40, 75, 1, 75, 3, 75, 4, 75, 67, 85, 35, 124, 0, 0, 92,
2, 0, 125, 1, 0, 125, 2, 0,
+ 116, 0, 0, 106, 1, 0, 124, 1, 0, 100, 1, 0, 124, 2, 0, -125, 3, 0,
100, 2, 0, 25, 83, 113, 27,
+ 78, 104, 16, 75, 1, -121, 113, 28, 85, 2, 114, 101, 113, 29, 85, 4,
115, 117, 98, 110, 113,
+ 30, -122, 113, 31, 85, 2, 46, 48, 113, 32, 85, 7, 112, 97, 116, 116,
101, 114, 110, 113, 33,
+ 85, 6, 115, 116, 114, 105, 110, 103, 113, 34, -121, 113, 35, 85, 7,
60, 115, 116, 100, 105,
+ 110, 62, 113, 36, 85, 8, 60, 108, 97, 109, 98, 100, 97, 62, 113, 37,
75, 1, 85, 2, 3, 0, 113,
+ 38, 41, 41, 116, 113, 39, 82, 113, 40, 75, 0, 125, 113, 41, -121,
113, 42, 82, 113, 43, 125,
+ 113, 44, 104, 29, 99, 112, 121, 115, 112, 97, 114, 107, 46, 99, 108,
111, 117, 100, 112, 105,
+ 99, 107, 108, 101, 10, 115, 117, 98, 105, 109, 112, 111, 114, 116,
10, 113, 45, 85, 2, 114,
+ 101, 113, 46, -123, 113, 47, 82, 113, 48, 115, 78, 93, 113, 49, 125,
113, 50, 116, 82, 97,
+ 125, 113, 51, 116, 82, 99, 112, 121, 115, 112, 97, 114, 107, 46,
115, 101, 114, 105, 97, 108,
+ 105, 122, 101, 114, 115, 10, 66, 97, 116, 99, 104, 101, 100, 83,
101, 114, 105, 97, 108, 105,
+ 122, 101, 114, 10, 113, 52, 41, -127, 113, 53, 125, 113, 54, 40, 85,
9, 98, 97, 116, 99, 104,
+ 83, 105, 122, 101, 113, 55, 77, 0, 4, 85, 10, 115, 101, 114, 105,
97, 108, 105, 122, 101, 114,
+ 113, 56, 99, 112, 121, 115, 112, 97, 114, 107, 46, 115, 101, 114,
105, 97, 108, 105, 122, 101,
+ 114, 115, 10, 80, 105, 99, 107, 108, 101, 83, 101, 114, 105, 97,
108, 105, 122, 101, 114, 10,
+ 113, 57, 41, -127, 113, 58, 125, 113, 59, 85, 19, 95, 111, 110, 108,
121, 95, 119, 114, 105,
+ 116, 101, 95, 115, 116, 114, 105, 110, 103, 115, 113, 60, -119, 115,
98, 117, 98, 104, 53,
+ -121, 113, 61, 46),
+ new java.util.HashMap[String, String](),
+ new java.util.LinkedList[String](),
+ "python",
+ null,
+ "int"
+ )
+
+ /**
+ * sqlCtx.registerFunction("len", lambda str: len(str), returnType =
"int")
+ */
+ registerPython(
+ "len",
+ Array[Byte](-128, 2, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46, 99,
108, 111, 117, 100, 112,
+ 105, 99, 107, 108, 101, 10, 95, 109, 111, 100, 117, 108, 101, 115,
95, 116, 111, 95, 109, 97,
+ 105, 110, 10, 113, 0, 93, 113, 1, 85, 11, 112, 121, 115, 112, 97,
114, 107, 46, 115, 113, 108,
+ 113, 2, 97, -123, 113, 3, 82, 49, 99, 112, 121, 115, 112, 97, 114,
107, 46, 99, 108, 111, 117,
+ 100, 112, 105, 99, 107, 108, 101, 10, 95, 102, 105, 108, 108, 95,
102, 117, 110, 99, 116, 105,
+ 111, 110, 10, 113, 4, 40, 99, 112, 121, 115, 112, 97, 114, 107, 46,
99, 108, 111, 117, 100,
+ 112, 105, 99, 107, 108, 101, 10, 95, 109, 97, 107, 101, 95, 115,
107, 101, 108, 95, 102, 117,
+ 110, 99, 10, 113, 5, 99, 110, 101, 119, 10, 99, 111, 100, 101, 10,
113, 6, 40, 75, 2, 75, 2,
+ 75, 3, 75, 19, 85, 13, 116, 0, 0, -120, 0, 0, 124, 1, 0, -125, 2, 0,
83, 113, 7, 78, -123,
+ 113, 8, 85, 4, 105, 109, 97, 112, 113, 9, -123, 113, 10, 85, 5, 115,
112, 108, 105, 116, 113,
+ 11, 85, 8, 105, 116, 101, 114, 97, 116, 111, 114, 113, 12, -122,
113, 13, 85, 53, 47, 85, 115,
+ 101, 114, 115, 47, 109, 97, 114, 109, 98, 114, 117, 115, 47, 119,
111, 114, 107, 115, 112, 97,
+ 99, 101, 47, 115, 112, 97, 114, 107, 47, 112, 121, 116, 104, 111,
110, 47, 112, 121, 115, 112,
+ 97, 114, 107, 47, 115, 113, 108, 46, 112, 121, 113, 14, 85, 4, 102,
117, 110, 99, 113, 15, 75,
+ 81, 85, 0, 113, 16, 85, 1, 102, 113, 17, -123, 113, 18, 41, 116,
113, 19, 82, 113, 20, 75, 1,
+ 125, 113, 21, -121, 113, 22, 82, 113, 23, 125, 113, 24, 104, 9, 99,
105, 116, 101, 114, 116,
+ 111, 111, 108, 115, 10, 105, 109, 97, 112, 10, 113, 25, 115, 78, 93,
113, 26, 104, 4, 40, 104,
+ 5, 104, 6, 40, 75, 1, 75, 1, 75, 2, 75, 67, 85, 10, 116, 0, 0, 124,
0, 0, -125, 1, 0, 83, 113,
+ 27, 78, -123, 113, 28, 85, 3, 108, 101, 110, 113, 29, -123, 113, 30,
85, 3, 115, 116, 114,
+ 113, 31, -123, 113, 32, 85, 7, 60, 115, 116, 100, 105, 110, 62, 113,
33, 85, 8, 60, 108, 97,
+ 109, 98, 100, 97, 62, 113, 34, 75, 1, 85, 0, 113, 35, 41, 41, 116,
113, 36, 82, 113, 37, 75,
+ 0, 125, 113, 38, -121, 113, 39, 82, 113, 40, 125, 113, 41, 78, 93,
113, 42, 125, 113, 43, 116,
+ 82, 97, 125, 113, 44, 116, 82, 99, 112, 121, 115, 112, 97, 114, 107,
46, 115, 101, 114, 105,
+ 97, 108, 105, 122, 101, 114, 115, 10, 66, 97, 116, 99, 104, 101,
100, 83, 101, 114, 105, 97,
+ 108, 105, 122, 101, 114, 10, 113, 45, 41, -127, 113, 46, 125, 113,
47, 40, 85, 9, 98, 97, 116,
+ 99, 104, 83, 105, 122, 101, 113, 48, 77, 0, 4, 85, 10, 115, 101,
114, 105, 97, 108, 105, 122,
+ 101, 114, 113, 49, 99, 112, 121, 115, 112, 97, 114, 107, 46, 115,
101, 114, 105, 97, 108, 105,
+ 122, 101, 114, 115, 10, 80, 105, 99, 107, 108, 101, 83, 101, 114,
105, 97, 108, 105, 122, 101,
+ 114, 10, 113, 50, 41, -127, 113, 51, 125, 113, 52, 85, 19, 95, 111,
110, 108, 121, 95, 119,
+ 114, 105, 116, 101, 95, 115, 116, 114, 105, 110, 103, 115, 113, 53,
-119, 115, 98, 117, 98,
+ 104, 46, -121, 113, 54, 46),
+ new java.util.HashMap[String, String](),
+ new java.util.LinkedList[String](),
+ "python",
+ null,
+ "int"
+ )
+
+ test("Single argument UDF") {
+ checkAnswer(
+ sql("SELECT test(value) FROM testData"),
+ testData.select('value).map(r =>
+ new GenericRow(Array[Any]("test:" +
r(0).toString))).collect().toSeq)
--- End diff --
I see, I did not realize the .select(`value).
---
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---
