You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hive.apache.org by sp...@apache.org on 2016/08/11 17:29:00 UTC

hive git commit: HIVE-12954: NPE with str_to_map on null strings (Marta Kuczora, reviewed by Aihua Xu)

Repository: hive
Updated Branches:
  refs/heads/master 89080f557 -> 6447f5cd5


HIVE-12954: NPE with str_to_map on null strings (Marta Kuczora, reviewed by Aihua Xu)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/6447f5cd
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/6447f5cd
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/6447f5cd

Branch: refs/heads/master
Commit: 6447f5cd57d193c6ceb6aaf141fb12f29ac53cd4
Parents: 89080f5
Author: Marta Kuczora <ku...@cloudera.com>
Authored: Thu Aug 11 12:28:03 2016 -0500
Committer: Sergio Pena <se...@cloudera.com>
Committed: Thu Aug 11 12:28:50 2016 -0500

----------------------------------------------------------------------
 .../ql/udf/generic/GenericUDFStringToMap.java   |  12 ++
 .../udf/generic/TestGenericUDFStringToMap.java  | 152 +++++++++++++++++++
 2 files changed, 164 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/6447f5cd/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFStringToMap.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFStringToMap.java b/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFStringToMap.java
index ed60fbf..093f2a3 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFStringToMap.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFStringToMap.java
@@ -83,11 +83,23 @@ public class GenericUDFStringToMap extends GenericUDF {
   public Object evaluate(DeferredObject[] arguments) throws HiveException {
     ret.clear();
     String text = (String) soi_text.convert(arguments[0].get());
+    if (text == null) {
+      return ret;
+    }
+
     String delimiter1 = (soi_de1 == null) ?
       default_de1 : (String) soi_de1.convert(arguments[1].get());
     String delimiter2 = (soi_de2 == null) ?
       default_de2 : (String) soi_de2.convert(arguments[2].get());
 
+    if (delimiter1 == null) {
+      delimiter1 = default_de1;
+    }
+
+    if (delimiter2 == null) {
+      delimiter2 = default_de2;
+    }
+
     String[] keyValuePairs = text.split(delimiter1);
 
     for (String keyValuePair : keyValuePairs) {

http://git-wip-us.apache.org/repos/asf/hive/blob/6447f5cd/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFStringToMap.java
----------------------------------------------------------------------
diff --git a/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFStringToMap.java b/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFStringToMap.java
new file mode 100644
index 0000000..1653936
--- /dev/null
+++ b/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFStringToMap.java
@@ -0,0 +1,152 @@
+/**
+ * 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.hadoop.hive.ql.udf.generic;
+
+import static org.junit.Assert.assertTrue;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.hadoop.hive.ql.exec.UDFArgumentException;
+import org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject;
+import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
+import org.junit.Test;
+
+public class TestGenericUDFStringToMap {
+
+  @Test
+  public void testStringToMapWithCustomDelimiters() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDF(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("key1", "value1");
+    expResult.put("key2", "value2");
+    expResult.put("key3", "value3");
+    runAndVerify("key1=value1;key2=value2;key3=value3", ";", "=", expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapWithDefaultDelimiters() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("key1", "value1");
+    expResult.put("key2", "value2");
+    expResult.put("key3", "value3");
+    runAndVerify("key1:value1,key2:value2,key3:value3", expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapWithNullDelimiters() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDF(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("key1", "value1");
+    expResult.put("key2", "value2");
+    expResult.put("key3", "value3");
+    runAndVerify("key1:value1,key2:value2,key3:value3", null, null, expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapWithNullText() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    runAndVerify(null, expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapWithEmptyText() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("", null);
+    runAndVerify("", expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapNoKey() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("", "value");
+    runAndVerify(":value", expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapNoValue() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("key", "");
+    runAndVerify("key:", expResult, udf);
+  }
+
+  @Test
+  public void testStringToMapNotMatchingDelimiter() throws HiveException {
+    GenericUDFStringToMap udf = new GenericUDFStringToMap();
+    initGenericUDFWithNoDelimiters(udf);
+    Map<String, String> expResult = new LinkedHashMap<String, String>();
+    expResult.put("key=value", null);
+    runAndVerify("key=value", expResult, udf);
+  }
+
+  private void initGenericUDF(GenericUDFStringToMap udf)
+      throws UDFArgumentException {
+
+    ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
+    ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
+    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
+    ObjectInspector[] arguments = { valueOI0, valueOI1, valueOI2 };
+    udf.initialize(arguments);
+  }
+
+  private void initGenericUDFWithNoDelimiters(GenericUDFStringToMap udf)
+      throws UDFArgumentException {
+
+    ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
+    ObjectInspector[] arguments = { valueOI0 };
+    udf.initialize(arguments);
+  }
+
+  private void runAndVerify(String text, String delimiter1, String delimiter2,
+      Map<String, String> expResult, GenericUDF udf) throws HiveException {
+
+    DeferredObject valueObj0 = new DeferredJavaObject(text);
+    DeferredObject valueObj1 = new DeferredJavaObject(delimiter1);
+    DeferredObject valueObj2 = new DeferredJavaObject(delimiter2);
+    DeferredObject[] args = { valueObj0, valueObj1, valueObj2 };
+
+    @SuppressWarnings("unchecked")
+    LinkedHashMap<Object, Object> output = (LinkedHashMap<Object, Object>) udf.evaluate(args);
+    assertTrue("str_to_map() test", expResult.equals(output));
+  }
+
+  private void runAndVerify(String text, Map<String, String> expResult,
+      GenericUDF udf) throws HiveException {
+
+    DeferredObject valueObj0 = new DeferredJavaObject(text);
+    DeferredObject[] args = { valueObj0 };
+    @SuppressWarnings("unchecked")
+    LinkedHashMap<Object, Object> output = (LinkedHashMap<Object, Object>) udf.evaluate(args);
+    assertTrue("str_to_map() test", expResult.equals(output));
+  }
+}
\ No newline at end of file