| /* |
| * 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.phoenix.end2end; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| |
| import org.junit.Test; |
| |
| public class FirstValueFunctionIT extends ParallelStatsDisabledIT { |
| |
| @Test |
| public void signedLongAsBigInt() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL PRIMARY KEY, page_id UNSIGNED_LONG," |
| + " \"DATE\" BIGINT, \"value\" BIGINT)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 1, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 2, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, 3, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (5, 8, 5, 158)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 4, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(rs.getLong(1), 3); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testSortOrderInSortCol() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL, page_id UNSIGNED_LONG," |
| + " dates BIGINT NOT NULL, \"value\" BIGINT CONSTRAINT pk PRIMARY KEY (id, dates DESC))"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (1, 8, 1, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (2, 8, 2, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (3, 8, 3, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (5, 8, 5, 158)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (4, 8, 4, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY dates ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(rs.getLong(1), 3); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testSortOrderInDataCol() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL, page_id UNSIGNED_LONG," |
| + " dates BIGINT NOT NULL, \"value\" BIGINT NOT NULL CONSTRAINT pk PRIMARY KEY (id, dates, \"value\" DESC))"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (1, 8, 1, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (2, 8, 2, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (3, 8, 3, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (5, 8, 5, 158)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, \"value\") VALUES (4, 8, 4, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY dates ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(rs.getLong(1), 3); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void doubleDataType() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL PRIMARY KEY, page_id UNSIGNED_LONG, " |
| + "\"DATE\" DOUBLE, \"value\" DOUBLE)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 1, 300)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 2, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, 3, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (5, 8, 4, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 5, 400)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals("doubles", rs.getDouble(1), 300, 0.00001); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void varcharFixedLenghtDatatype() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String table_name = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + table_name + " " |
| + "(id INTEGER NOT NULL PRIMARY KEY, page_id UNSIGNED_LONG, " |
| + "\"DATE\" VARCHAR(3), \"value\" VARCHAR(3))"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, '1', '3')"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, '2', '7')"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, '3', '9')"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\") VALUES (5, 8, '4', '2')"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, '5', '4')"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + table_name |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(rs.getString(1), "3"); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void floatDataType() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL PRIMARY KEY, page_id UNSIGNED_LONG," |
| + " \"DATE\" FLOAT, \"value\" FLOAT)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 1, 300)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 2, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, 3, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (5, 8, 4, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 5, 400)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(rs.getFloat(1), 300.0, 0.000001); |
| assertFalse(rs.next()); |
| |
| } |
| |
| @Test |
| public void allColumnsNull() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| |
| String tableName = generateUniqueName(); |
| String ddl = "CREATE TABLE IF NOT EXISTS " + tableName + " " |
| + "(id INTEGER NOT NULL PRIMARY KEY, page_id UNSIGNED_LONG," |
| + " \"DATE\" FLOAT, \"value\" FLOAT)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute("UPSERT INTO " + tableName + " (id, page_id) VALUES (1, 8)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName + " (id, page_id) VALUES (2, 8)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName + " (id, page_id) VALUES (3, 8)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName + " (id, page_id) VALUES (5, 8)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName + " (id, page_id) VALUES (4, 8)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT FIRST_VALUE(\"value\") WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| byte[] nothing = rs.getBytes(1); |
| assertTrue(nothing == null); |
| } |
| |
| } |