This is an automated email from the ASF dual-hosted git repository.
gsaihemanth pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hive.git
The following commit(s) were added to refs/heads/master by this push:
new 14a1f70607d HIVE-27112 - implement array_except UDF in Hive (#4090)
(Taraka Rama Rao Lethavadla, reviewed by Okumin, Sai Hemanth Gantasala)
14a1f70607d is described below
commit 14a1f70607db5ae6cf71b6d4343f308a5167581c
Author: tarak271 <[email protected]>
AuthorDate: Fri Jun 23 23:05:44 2023 +0530
HIVE-27112 - implement array_except UDF in Hive (#4090) (Taraka Rama Rao
Lethavadla, reviewed by Okumin, Sai Hemanth Gantasala)
---
.../hadoop/hive/ql/exec/FunctionRegistry.java | 1 +
.../hive/ql/udf/generic/GenericUDFArrayExcept.java | 74 ++++++
.../ql/udf/generic/TestGenericUDFArrayExcept.java | 263 +++++++++++++++++++++
.../test/queries/clientpositive/udf_array_except.q | 42 ++++
.../clientpositive/llap/show_functions.q.out | 2 +
.../clientpositive/llap/udf_array_except.q.out | 132 +++++++++++
6 files changed, 514 insertions(+)
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
b/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
index b2186e5d522..bed44434cb8 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
@@ -609,6 +609,7 @@ public final class FunctionRegistry {
system.registerGenericUDF("array_distinct", GenericUDFArrayDistinct.class);
system.registerGenericUDF("array_join", GenericUDFArrayJoin.class);
system.registerGenericUDF("array_slice", GenericUDFArraySlice.class);
+ system.registerGenericUDF("array_except", GenericUDFArrayExcept.class);
system.registerGenericUDF("array_intersect",
GenericUDFArrayIntersect.class);
system.registerGenericUDF("deserialize", GenericUDFDeserialize.class);
system.registerGenericUDF("sentences", GenericUDFSentences.class);
diff --git
a/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFArrayExcept.java
b/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFArrayExcept.java
new file mode 100644
index 00000000000..19d06d7c6be
--- /dev/null
+++
b/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFArrayExcept.java
@@ -0,0 +1,74 @@
+/*
+ * 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 org.apache.hadoop.hive.ql.exec.Description;
+import org.apache.hadoop.hive.ql.exec.UDFArgumentException;
+import org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException;
+import org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.hive.serde2.objectinspector.ListObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * GenericUDFArrayExcept
+ */
+@Description(name = "array_except", value = "_FUNC_(array1, array2) - Returns
an array of the elements in array1 but not in array2.", extended =
+ "Example:\n" + " > SELECT _FUNC_(array(1, 2, 3,4), array(2,3)) FROM src
LIMIT 1;\n"
+ + " [1,4]")
+public class GenericUDFArrayExcept extends AbstractGenericUDFArrayBase {
+ static final int ARRAY2_IDX = 1;
+ private static final String FUNC_NAME = "ARRAY_EXCEPT";
+ static final String ERROR_NOT_COMPARABLE = "Input arrays are not comparable
to use ARRAY_EXCEPT udf";
+
+ public GenericUDFArrayExcept() {
+ super(FUNC_NAME, 2, 2, ObjectInspector.Category.LIST);
+ }
+
+ @Override public ObjectInspector initialize(ObjectInspector[] arguments)
throws UDFArgumentException {
+ ObjectInspector defaultOI = super.initialize(arguments);
+ checkArgCategory(arguments, ARRAY2_IDX, ObjectInspector.Category.LIST,
FUNC_NAME,
+ org.apache.hadoop.hive.serde.serdeConstants.LIST_TYPE_NAME); //Array1
is already getting validated in Parent class
+ if
(!ObjectInspectorUtils.compareTypes(arrayOI.getListElementObjectInspector(),
((ListObjectInspector) arguments[ARRAY2_IDX]).getListElementObjectInspector()))
{ // check if elements of arrays are comparable
+ throw new UDFArgumentTypeException(1, ERROR_NOT_COMPARABLE);
+ }
+ return defaultOI;
+ }
+
+ @Override public Object evaluate(DeferredObject[] arguments) throws
HiveException {
+ Object array = arguments[ARRAY_IDX].get();
+ Object array2 = arguments[ARRAY2_IDX].get();
+ if (array == null) {
+ return null;
+ }
+
+ if (array2 == null) {
+ return null;
+ }
+
+ List<?> retArray3 = ((ListObjectInspector)
argumentOIs[ARRAY_IDX]).getList(array);
+ List inputArrayCopy = new ArrayList<>();
+ inputArrayCopy.addAll(retArray3);
+ inputArrayCopy.removeAll(((ListObjectInspector)
argumentOIs[ARRAY2_IDX]).getList(arguments[ARRAY2_IDX].get()));
+ return inputArrayCopy.stream().distinct().map(o ->
converter.convert(o)).collect(Collectors.toList());
+ }
+}
diff --git
a/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFArrayExcept.java
b/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFArrayExcept.java
new file mode 100644
index 00000000000..bd7dac741b8
--- /dev/null
+++
b/ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFArrayExcept.java
@@ -0,0 +1,263 @@
+/*
+ * 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 org.apache.hadoop.hive.common.type.Date;
+import org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException;
+import org.apache.hadoop.hive.ql.metadata.HiveException;
+import org.apache.hadoop.hive.serde2.io.DateWritableV2;
+import org.apache.hadoop.hive.serde2.io.DoubleWritable;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory;
+import
org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
+import org.apache.hadoop.io.FloatWritable;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static java.util.Arrays.asList;
+
+public class TestGenericUDFArrayExcept {
+ private final GenericUDFArrayExcept udf = new GenericUDFArrayExcept();
+
+ @Test
+ public void testPrimitive() throws HiveException {
+ ObjectInspector intObjectInspector =
ObjectInspectorFactory.getStandardListObjectInspector(
+ PrimitiveObjectInspectorFactory.writableIntObjectInspector);
+ ObjectInspector floatObjectInspector =
ObjectInspectorFactory.getStandardListObjectInspector(
+ PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
+ ObjectInspector doubleObjectInspector =
ObjectInspectorFactory.getStandardListObjectInspector(
+ PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
+ ObjectInspector longObjectInspector =
ObjectInspectorFactory.getStandardListObjectInspector(
+ PrimitiveObjectInspectorFactory.writableLongObjectInspector);
+ ObjectInspector stringObjectInspector =
ObjectInspectorFactory.getStandardListObjectInspector(
+ PrimitiveObjectInspectorFactory.writableStringObjectInspector);
+
+ Object i1 = new IntWritable(1);
+ Object i2 = new IntWritable(2);
+ Object i3 = new IntWritable(4);
+ Object i4 = new IntWritable(5);
+ Object i5 = new IntWritable(1);
+ Object i6 = new IntWritable(3);
+ Object i7 = new IntWritable(2);
+ Object i8 = new IntWritable(9);
+ List<Object> inputList = new ArrayList<>();
+ inputList.add(i1);
+ inputList.add(i2);
+ inputList.add(i3);
+ inputList.add(i4);
+
+ udf.initialize(new ObjectInspector[] { intObjectInspector,
intObjectInspector });
+ runAndVerify(inputList, asList(i5, i6, i7, i8), asList(i3,i4));
+
+ i1 = new FloatWritable(3.3f);
+ i2 = new FloatWritable(1.1f);
+ i3 = new FloatWritable(4.3f);
+ i4 = new FloatWritable(2.22f);
+ i5 = new FloatWritable(3.3f);
+ i6 = new FloatWritable(1.1f);
+ i7 = new FloatWritable(2.28f);
+ i8 = new FloatWritable(2.20f);
+ List<Object> inputFloatList = new ArrayList<>();
+ inputFloatList.add(i1);
+ inputFloatList.add(i2);
+ inputFloatList.add(i3);
+ inputFloatList.add(i4);
+
+ udf.initialize(new ObjectInspector[] { floatObjectInspector,
floatObjectInspector });
+ runAndVerify(new ArrayList<>(inputFloatList), asList(i5, i6, i7, i8),
asList(i3, i4));
+
+ Object s1 = new Text("1");
+ Object s2 = new Text("2");
+ Object s3 = new Text("4");
+ Object s4 = new Text("5");
+ List<Object> inputStringList = new ArrayList<>();
+ inputStringList.add(s1);
+ inputStringList.add(s2);
+ inputStringList.add(s3);
+ inputStringList.add(s4);
+
+ udf.initialize(new ObjectInspector[] { stringObjectInspector,
stringObjectInspector });
+ runAndVerify(inputStringList,asList(s1,s3),asList(s2,s4));
+ // Empty array output
+ runAndVerify(inputStringList,inputStringList,asList());
+ runAndVerify(inputStringList,asList(),inputStringList);
+ // Empty input arrays
+ runAndVerify(asList(),asList(),asList());
+ // Int & float arrays
+ UDFArgumentTypeException exception =
Assert.assertThrows(UDFArgumentTypeException.class, () -> udf.initialize(new
ObjectInspector[] { floatObjectInspector, intObjectInspector }));
+
Assert.assertEquals(GenericUDFArrayExcept.ERROR_NOT_COMPARABLE,exception.getMessage());
+ // float and string arrays
+ exception = Assert.assertThrows(UDFArgumentTypeException.class, () ->
udf.initialize(new ObjectInspector[] { floatObjectInspector,
stringObjectInspector }));
+
Assert.assertEquals(GenericUDFArrayExcept.ERROR_NOT_COMPARABLE,exception.getMessage());
+ // long and double arrays
+ exception = Assert.assertThrows(UDFArgumentTypeException.class, () ->
udf.initialize(new ObjectInspector[] { longObjectInspector,
doubleObjectInspector }));
+
Assert.assertEquals(GenericUDFArrayExcept.ERROR_NOT_COMPARABLE,exception.getMessage());
+ }
+
+ @Test
+ public void testList() throws HiveException {
+ ObjectInspector[] inputOIs = {
+ ObjectInspectorFactory.getStandardListObjectInspector(
+ ObjectInspectorFactory.getStandardListObjectInspector(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector
+ )
+ ),
+ ObjectInspectorFactory.getStandardListObjectInspector(
+ ObjectInspectorFactory.getStandardListObjectInspector(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector
+ )
+ )
+ };
+ udf.initialize(inputOIs);
+
+ Object i1 = asList(new Text("aa1"), new Text("dd"), new Text("cc"),
new Text("bb"));
+ Object i2 = asList(new Text("aa2"), new Text("cc"), new Text("ba"),
new Text("dd"));
+ Object i3 = asList(new Text("aa3"), new Text("cc"), new Text("dd"),
new Text("ee"), new Text("bb"));
+ Object i4 = asList(new Text("aa4"), new Text("cc"), new Text("ddd"),
new Text("bb"));
+ List<Object> inputList = new ArrayList<>();
+ inputList.add(i1);
+ inputList.add(i2);
+ inputList.add(i3);
+ inputList.add(i4);
+ runAndVerify(inputList, asList(i1, i2, i2), asList(i3, i4));
+ }
+
+ @Test
+ public void testStruct() throws HiveException {
+ ObjectInspector[] inputOIs = {
+ ObjectInspectorFactory.getStandardListObjectInspector(
+
ObjectInspectorFactory.getStandardStructObjectInspector(
+ asList("f1", "f2", "f3", "f4"),
+ asList(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
+
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector,
+
PrimitiveObjectInspectorFactory.writableDateObjectInspector,
+
ObjectInspectorFactory.getStandardListObjectInspector(
+
PrimitiveObjectInspectorFactory.writableIntObjectInspector
+ )
+ )
+ )
+ ),
+ ObjectInspectorFactory.getStandardListObjectInspector(
+
ObjectInspectorFactory.getStandardStructObjectInspector(
+ asList("f1", "f2", "f3", "f4"),
+ asList(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
+
PrimitiveObjectInspectorFactory.writableDoubleObjectInspector,
+
PrimitiveObjectInspectorFactory.writableDateObjectInspector,
+
ObjectInspectorFactory.getStandardListObjectInspector(
+
PrimitiveObjectInspectorFactory.writableIntObjectInspector
+ )
+ )
+ )
+ )
+ };
+ udf.initialize(inputOIs);
+
+ Object i1 = asList(new Text("a"), new DoubleWritable(3.1415),
+ new DateWritableV2(Date.of(2015, 5, 26)),
+ asList(new IntWritable(1), new IntWritable(3),
+ new IntWritable(2), new IntWritable(4)));
+
+ Object i2 = asList(new Text("b"), new DoubleWritable(3.14),
+ new DateWritableV2(Date.of(2015, 5, 26)),
+ asList(new IntWritable(1), new IntWritable(3),
+ new IntWritable(2), new IntWritable(4)));
+
+ Object i3 = asList(new Text("a"), new DoubleWritable(3.1415),
+ new DateWritableV2(Date.of(2015, 5, 25)),
+ asList(new IntWritable(1), new IntWritable(3),
+ new IntWritable(2), new IntWritable(5)));
+
+ Object i4 = asList(new Text("a"), new DoubleWritable(3.1415),
+ new DateWritableV2(Date.of(2015, 5, 25)),
+ asList(new IntWritable(1), new IntWritable(3),
+ new IntWritable(2), new IntWritable(4)));
+
+ List<Object> inputList = new ArrayList<>();
+ inputList.add(i1);
+ inputList.add(i2);
+ inputList.add(i3);
+ inputList.add(i4);
+ runAndVerify(inputList, asList(i1, i3), asList(i2, i4));
+ }
+
+ @Test
+ public void testMap() throws HiveException {
+ ObjectInspector[] inputOIs = {
+ ObjectInspectorFactory.getStandardListObjectInspector(
+ ObjectInspectorFactory.getStandardMapObjectInspector(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
+
PrimitiveObjectInspectorFactory.writableIntObjectInspector
+ )
+ ),
+ ObjectInspectorFactory.getStandardListObjectInspector(
+ ObjectInspectorFactory.getStandardMapObjectInspector(
+
PrimitiveObjectInspectorFactory.writableStringObjectInspector,
+
PrimitiveObjectInspectorFactory.writableIntObjectInspector
+ )
+ )
+ };
+ udf.initialize(inputOIs);
+
+ Map<Text, IntWritable> m1 = new HashMap<>();
+ m1.put(new Text("a"), new IntWritable(4));
+ m1.put(new Text("b"), new IntWritable(3));
+ m1.put(new Text("c"), new IntWritable(1));
+ m1.put(new Text("d"), new IntWritable(2));
+
+ Map<Text, IntWritable> m2 = new HashMap<>();
+ m2.put(new Text("d"), new IntWritable(4));
+ m2.put(new Text("b"), new IntWritable(3));
+ m2.put(new Text("a"), new IntWritable(1));
+ m2.put(new Text("c"), new IntWritable(2));
+
+ Map<Text, IntWritable> m3 = new HashMap<>();
+ m3.put(new Text("d"), new IntWritable(4));
+ m3.put(new Text("b"), new IntWritable(3));
+ m3.put(new Text("a"), new IntWritable(1));
+
+ Map<Text, IntWritable> m4 = new HashMap<>();
+ m3.put(new Text("e"), new IntWritable(4));
+ m3.put(new Text("b"), new IntWritable(3));
+ m3.put(new Text("a"), new IntWritable(1));
+
+ List<Object> inputList = new ArrayList<>();
+ inputList.add(m1);
+ inputList.add(m3);
+ inputList.add(m2);
+ inputList.add(m4);
+ inputList.add(m1);
+ runAndVerify(inputList, asList(m1,m3), asList(m2,m4));
+ }
+
+ private void runAndVerify(List<Object> actual, List<Object> actual2,
List<Object> expected)
+ throws HiveException {
+ GenericUDF.DeferredJavaObject[] args = {new
GenericUDF.DeferredJavaObject(actual), new
GenericUDF.DeferredJavaObject(actual2)};
+ List<?> result = (List<?>) udf.evaluate(args);
+ Assert.assertArrayEquals("Check content", expected.toArray(),
result.toArray());
+ }
+}
diff --git a/ql/src/test/queries/clientpositive/udf_array_except.q
b/ql/src/test/queries/clientpositive/udf_array_except.q
new file mode 100644
index 00000000000..ec5cfd2c1c2
--- /dev/null
+++ b/ql/src/test/queries/clientpositive/udf_array_except.q
@@ -0,0 +1,42 @@
+--! qt:dataset:src
+
+-- SORT_QUERY_RESULTS
+
+set hive.fetch.task.conversion=more;
+
+DESCRIBE FUNCTION array_except;
+DESCRIBE FUNCTION EXTENDED array_except;
+
+-- evalutes function for array of primitives
+SELECT array_except(array(1, 2, 3, null,3,4),array(1, 3, null));
+
+SELECT array_except(array(),array());
+
+SELECT array_except(array(null),array(null));
+
+SELECT array_except(array(1.12, 2.23, 3.34,
null,1.11,1.12,2.9),array(1.12,3.34,1.11,1.12));
+
+SELECT array(1,2,3),array_except(array(1, 2, 3),array(1,3,4));
+
+SELECT array_except(array(1.1234567890, 2.234567890, 3.34567890, null,
3.3456789, 2.234567,1.1234567890),array(1.1234567890, 3.34567890,
null,2.234567));
+
+SELECT array_except(array(11234567890, 2234567890, 334567890, null,
11234567890, 2234567890, 334567890, null),array(11234567890, 2234567890,
334567890));
+
+SELECT
array_except(array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null,array("e","a","b","c","d")),array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null));
+
+# handle null array cases
+
+dfs ${system:test.dfs.mkdir} ${system:test.tmp.dir}/test_null_array;
+
+dfs -copyFromLocal ../../data/files/test_null_array.csv
${system:test.tmp.dir}/test_null_array/;
+
+create external table test_null_array (id int, value Array<String>) ROW FORMAT
DELIMITED
+ FIELDS TERMINATED BY ':' collection items terminated by ',' location
'${system:test.tmp.dir}/test_null_array';
+
+select value from test_null_array;
+
+select array_except(value,value) from test_null_array;
+
+select value, array_except(value,value) from test_null_array;
+
+dfs -rm -r ${system:test.tmp.dir}/test_null_array;
\ No newline at end of file
diff --git a/ql/src/test/results/clientpositive/llap/show_functions.q.out
b/ql/src/test/results/clientpositive/llap/show_functions.q.out
index a4442be59e3..d3e74dde3b9 100644
--- a/ql/src/test/results/clientpositive/llap/show_functions.q.out
+++ b/ql/src/test/results/clientpositive/llap/show_functions.q.out
@@ -48,6 +48,7 @@ approx_distinct
array
array_contains
array_distinct
+array_except
array_intersect
array_join
array_max
@@ -670,6 +671,7 @@ approx_distinct
array
array_contains
array_distinct
+array_except
array_intersect
array_join
array_max
diff --git a/ql/src/test/results/clientpositive/llap/udf_array_except.q.out
b/ql/src/test/results/clientpositive/llap/udf_array_except.q.out
new file mode 100644
index 00000000000..8270af61b07
--- /dev/null
+++ b/ql/src/test/results/clientpositive/llap/udf_array_except.q.out
@@ -0,0 +1,132 @@
+PREHOOK: query: DESCRIBE FUNCTION array_except
+PREHOOK: type: DESCFUNCTION
+POSTHOOK: query: DESCRIBE FUNCTION array_except
+POSTHOOK: type: DESCFUNCTION
+array_except(array1, array2) - Returns an array of the elements in array1 but
not in array2.
+PREHOOK: query: DESCRIBE FUNCTION EXTENDED array_except
+PREHOOK: type: DESCFUNCTION
+POSTHOOK: query: DESCRIBE FUNCTION EXTENDED array_except
+POSTHOOK: type: DESCFUNCTION
+array_except(array1, array2) - Returns an array of the elements in array1 but
not in array2.
+Example:
+ > SELECT array_except(array(1, 2, 3,4), array(2,3)) FROM src LIMIT 1;
+ [1,4]
+Function class:org.apache.hadoop.hive.ql.udf.generic.GenericUDFArrayExcept
+Function type:BUILTIN
+PREHOOK: query: SELECT array_except(array(1, 2, 3, null,3,4),array(1, 3, null))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(1, 2, 3, null,3,4),array(1, 3,
null))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[2,4]
+PREHOOK: query: SELECT array_except(array(),array())
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(),array())
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[]
+PREHOOK: query: SELECT array_except(array(null),array(null))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(null),array(null))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[]
+PREHOOK: query: SELECT array_except(array(1.12, 2.23, 3.34,
null,1.11,1.12,2.9),array(1.12,3.34,1.11,1.12))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(1.12, 2.23, 3.34,
null,1.11,1.12,2.9),array(1.12,3.34,1.11,1.12))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[2.23,null,2.9]
+PREHOOK: query: SELECT array(1,2,3),array_except(array(1, 2, 3),array(1,3,4))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array(1,2,3),array_except(array(1, 2, 3),array(1,3,4))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[1,2,3] [2]
+PREHOOK: query: SELECT array_except(array(1.1234567890, 2.234567890,
3.34567890, null, 3.3456789, 2.234567,1.1234567890),array(1.1234567890,
3.34567890, null,2.234567))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(1.1234567890, 2.234567890,
3.34567890, null, 3.3456789, 2.234567,1.1234567890),array(1.1234567890,
3.34567890, null,2.234567))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[2.23456789]
+PREHOOK: query: SELECT array_except(array(11234567890, 2234567890, 334567890,
null, 11234567890, 2234567890, 334567890, null),array(11234567890, 2234567890,
334567890))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT array_except(array(11234567890, 2234567890, 334567890,
null, 11234567890, 2234567890, 334567890, null),array(11234567890, 2234567890,
334567890))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[null]
+PREHOOK: query: SELECT
array_except(array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null,array("e","a","b","c","d")),array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null))
+PREHOOK: type: QUERY
+PREHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT
array_except(array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null,array("e","a","b","c","d")),array(array("a","b","c","d"),array("a","b","c","d"),array("a","b","c","d","e"),null))
+POSTHOOK: type: QUERY
+POSTHOOK: Input: _dummy_database@_dummy_table
+#### A masked pattern was here ####
+[["e","a","b","c","d"]]
+PREHOOK: query: create external table test_null_array (id int, value
Array<String>) ROW FORMAT DELIMITED
+#### A masked pattern was here ####
+PREHOOK: type: CREATETABLE
+#### A masked pattern was here ####
+PREHOOK: Output: database:default
+PREHOOK: Output: default@test_null_array
+POSTHOOK: query: create external table test_null_array (id int, value
Array<String>) ROW FORMAT DELIMITED
+#### A masked pattern was here ####
+POSTHOOK: type: CREATETABLE
+#### A masked pattern was here ####
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@test_null_array
+PREHOOK: query: select value from test_null_array
+PREHOOK: type: QUERY
+PREHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+POSTHOOK: query: select value from test_null_array
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+["NULL"]
+["null","null"]
+[]
+PREHOOK: query: select array_except(value,value) from test_null_array
+PREHOOK: type: QUERY
+PREHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+POSTHOOK: query: select array_except(value,value) from test_null_array
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+[]
+[]
+[]
+PREHOOK: query: select value, array_except(value,value) from test_null_array
+PREHOOK: type: QUERY
+PREHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+POSTHOOK: query: select value, array_except(value,value) from test_null_array
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@test_null_array
+#### A masked pattern was here ####
+["NULL"] []
+["null","null"] []
+[] []
