| /* |
| * 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 java.sql.Date; |
| |
| import org.apache.drill.exec.planner.physical.PlannerSettings; |
| import org.apache.drill.jdbc.Driver; |
| import org.apache.drill.categories.JdbcTest; |
| import org.joda.time.chrono.ISOChronology; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category(JdbcTest.class) |
| public class TestAggregateFunctionsQuery extends JdbcTestQueryBase { |
| |
| // enable decimal data type |
| @BeforeClass |
| public static void enableDecimalDataType() throws Exception { |
| testQuery(String.format("alter session set `%s` = true", PlannerSettings.ENABLE_DECIMAL_DATA_TYPE_KEY)); |
| } |
| |
| @AfterClass |
| public static void disableDecimalDataType() throws Exception { |
| testQuery(String.format("alter session set `%s` = false", PlannerSettings.ENABLE_DECIMAL_DATA_TYPE_KEY)); |
| } |
| |
| static{ |
| Driver.load(); |
| } |
| |
| @Test |
| public void testDateAggFunction() throws Exception{ |
| String query = "SELECT max(cast(HIRE_DATE as date)) as MAX_DATE, min(cast(HIRE_DATE as date)) as MIN_DATE" + |
| " FROM `employee.json`"; |
| |
| String t = new Date(ISOChronology.getInstance().getDateTimeMillis(1998, 1, 1, 0)).toString(); |
| String t1 = new Date(ISOChronology.getInstance().getDateTimeMillis(1993, 5, 1, 0)).toString(); |
| |
| String result = "MAX_DATE="+ t + "; " + "MIN_DATE=" + t1 + "\n"; |
| |
| withFull("cp") |
| .sql(query) |
| .returns(result); |
| } |
| |
| @Test |
| public void testIntervalAggFunction() throws Exception{ |
| String query = "select max(date_diff(date'2014-5-2', cast(HIRE_DATE as date))) as MAX_DAYS, min(date_diff(date'2014-5-2', cast(HIRE_DATE as date))) MIN_DAYS" + |
| " FROM `employee.json`"; |
| |
| withFull("cp") |
| .sql(query) |
| .returns( |
| "MAX_DAYS=P7671D; " + |
| "MIN_DAYS=P5965D\n" |
| ); |
| } |
| |
| @Test |
| public void testDecimalAggFunction() throws Exception{ |
| String query = "SELECT " + |
| "max(cast(EMPLOYEE_ID as decimal(9, 2))) as MAX_DEC9, min(cast(EMPLOYEE_ID as decimal(9, 2))) as MIN_DEC9," + |
| "max(cast(EMPLOYEE_ID as decimal(18, 4))) as MAX_DEC18, min(cast(EMPLOYEE_ID as decimal(18, 4))) as MIN_DEC18," + |
| "max(cast(EMPLOYEE_ID as decimal(28, 9))) as MAX_DEC28, min(cast(EMPLOYEE_ID as decimal(28, 9))) as MIN_DEC28," + |
| "max(cast(EMPLOYEE_ID as decimal(38, 11))) as MAX_DEC38, min(cast(EMPLOYEE_ID as decimal(38, 11))) as MIN_DEC38" + |
| " FROM `employee.json`"; |
| |
| withFull("cp") |
| .sql(query) |
| .returns( |
| "MAX_DEC9=1156.00; " + |
| "MIN_DEC9=1.00; " + |
| "MAX_DEC18=1156.0000; " + |
| "MIN_DEC18=1.0000; " + |
| "MAX_DEC28=1156.000000000; " + |
| "MIN_DEC28=1.000000000; " + |
| "MAX_DEC38=1156.00000000000; " + |
| "MIN_DEC38=1.00000000000\n " |
| ); |
| } |
| |
| @Test |
| public void testVarCharAggFunction() throws Exception{ |
| String query = "select max(full_name) as MAX_NAME, min(full_name) as MIN_NAME FROM `employee.json`"; |
| |
| withFull("cp") |
| .sql(query) |
| .returns( |
| "MAX_NAME=Zach Lovell; " + |
| "MIN_NAME=A. Joyce Jarvis\n" |
| ); |
| } |
| } |