/**
* 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.drill.jdbc.test;
import org.apache.drill.exec.store.hive.HiveTestDataGenerator;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.Ignore;
public class TestHiveScalarUDFs {
@BeforeClass
public static void generateHive() throws Exception{
new HiveTestDataGenerator().generateTestData();
}
/** Test a hive function that implements the interface {@link org.apache.hadoop.hive.ql.exec.UDF}. */
@Test
@Ignore("relies on particular timezone")
public void simpleUDF() throws Exception {
JdbcAssert.withNoDefaultSchema()
.sql("SELECT " +
"from_unixtime(1237573801) as unix_timestamp, " +
"UDFDegrees(cast(26.89 as DOUBLE)) as degrees " +
"FROM cp.`employee.json` LIMIT 1")
.returns("unix_timestamp=2009-03-20 11:30:01; degrees=1540.6835111067835");
}
/** Test a hive function that implements the interface {@link org.apache.hadoop.hive.ql.udf.generic.GenericUDF}. */
@Test
public void simpleGenericUDF() throws Exception{
JdbcAssert.withNoDefaultSchema()
.sql("SELECT CAST(" +
"encode('text', 'UTF-8') " +
"AS VARCHAR(5)) " +
"FROM cp.`employee.json` LIMIT 1")
.returns("EXPR$0=text");
}
}