| /* |
| * 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 java.util.ArrayList; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| |
| public class LastValuesFunctionIT extends ParallelStatsDisabledIT { |
| |
| @Test |
| public void simpleTest() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 3, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 4, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 9, 5, 10)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (7, 9, 6, 13)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (8, 9, 7, 8)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (9, 9, 8, 6)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 3) WITHIN GROUP (ORDER BY dates DESC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new int[]{7, 9, 4}, (int[]) rs.getArray(1).getArray()); |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new int[]{10, 13, 8}, (int[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void varcharDatatypeSimpleTest() 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 LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + table_name |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new String[]{"4", "2"}, (String[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void floatDatatypeSimpleTest() 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 LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(((float[])rs.getArray(1).getArray())[0], 400, 0.000001); |
| assertEquals(((float[])rs.getArray(1).getArray())[1], 2, 0.000001); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void doubleDatatypeSimpleTest() 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 LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| assertEquals(((double[])rs.getArray(1).getArray())[0], 400, 0.000001); |
| assertEquals(((double[])rs.getArray(1).getArray())[1], 2, 0.000001); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void offsetValueAscOrder() 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\" INTEGER, \"value\" UNSIGNED_LONG)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 0, 300)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 3, 4)"); |
| 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 (6, 8, 5, 150)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" ASC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{150, 2}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void simpleTestNoGroupBy() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 2) WITHIN GROUP (ORDER BY dates DESC) FROM " + tableName); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new int[]{7, 9}, (int[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void rowLessThanOffsetNoGroupBy() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 3) WITHIN GROUP (ORDER BY dates DESC) FROM " + tableName); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new int[]{7, 9}, (int[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void offsetValueDescOrder() 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\" INTEGER, \"value\" UNSIGNED_LONG)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 0, 300)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 3, 4)"); |
| 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 (6, 8, 5, 150)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" DESC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{300, 7}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void offsetValueSubAggregation() 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\" INTEGER, \"value\" UNSIGNED_LONG)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 0, 300)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (3, 9, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 9, 3, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (5, 10, 4, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (6, 10, 5, 150)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(SUM_VALUE, 2) WITHIN GROUP (ORDER BY MIN_DATE ASC) FROM (" + |
| "SELECT MIN(\"DATE\") AS MIN_DATE, SUM(\"value\") AS SUM_VALUE FROM " |
| + tableName + " GROUP BY page_id) x"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{152, 13}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void offsetValueLastMismatchByColumn() 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\" INTEGER, \"value\" UNSIGNED_LONG)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (1, 8, 5, 8)"); |
| 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, 1, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (4, 8, 4, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (5, 8, 3, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\") VALUES (6, 8, 0, 1)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\" DESC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{1, 9}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testSortOrderInDataColWithOffset() 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 LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY dates ASC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{158, 5}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void nonUniqueValuesInOrderByAsc() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 3) WITHIN GROUP (ORDER BY dates ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| int[] result = null; |
| assertTrue(rs.next()); |
| result = (int[]) rs.getArray(1).getArray(); |
| assertEquals(result[0], 3); |
| assertInIntArray(new int[]{2, 4, 9}, result[1]); |
| assertInIntArray(new int[]{2, 4, 9}, result[2]); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void nonUniqueValuesInOrderByAscSkipDuplicit() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 5) WITHIN GROUP (ORDER BY dates ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| int[] result = null; |
| assertTrue(rs.next()); |
| result = (int[]) rs.getArray(1).getArray(); |
| assertEquals(result[0], 3); |
| assertInIntArray(new int[]{2, 4, 9}, result[1]); |
| assertInIntArray(new int[]{2, 4, 9}, result[2]); |
| assertInIntArray(new int[]{2, 4, 9}, result[3]); |
| assertEquals(result[4], 7); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void nonUniqueValuesInOrderByDesc() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 1, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 2, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 3) WITHIN GROUP (ORDER BY dates DESC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| int[] result = null; |
| assertTrue(rs.next()); |
| result = (int[]) rs.getArray(1).getArray(); |
| assertEquals(result[0], 7); |
| assertInIntArray(new int[]{2, 4, 9}, result[1]); |
| assertInIntArray(new int[]{2, 4, 9}, result[2]); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void nonUniqueValuesInOrderNextValueDesc() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 0, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 1, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (7, 8, 3, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 2) WITHIN GROUP (ORDER BY dates DESC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| int[] result = null; |
| assertTrue(rs.next()); |
| result = (int[]) rs.getArray(1).getArray(); |
| assertEquals(result[0], 7); |
| assertEquals(result[1], 9); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void nonUniqueValuesInOrderNextValueAsc() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 0, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 1, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (7, 8, 3, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 5) WITHIN GROUP (ORDER BY dates ASC) FROM " + tableName |
| + " GROUP BY page_id"); |
| |
| int[] result = null; |
| assertTrue(rs.next()); |
| result = (int[]) rs.getArray(1).getArray(); |
| assertInIntArray(new int[]{3, 5}, result[0]); |
| assertInIntArray(new int[]{3, 5}, result[1]); |
| assertInIntArray(new int[]{2, 4}, result[2]); |
| assertInIntArray(new int[]{2, 4}, result[3]); |
| assertEquals(result[4], 9); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void ignoreNullValues() 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 NULL CONSTRAINT pk PRIMARY KEY (id, dates))"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute("UPSERT INTO " + tableName |
| + " (id, page_id, dates, \"value\") VALUES (1, 8, 1, 1)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName |
| + " (id, page_id, dates, \"value\") VALUES (2, 8, 2, NULL)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName |
| + " (id, page_id, dates, \"value\") VALUES (3, 8, 3, NULL)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName |
| + " (id, page_id, dates, \"value\") VALUES (5, 8, 4, NULL)"); |
| conn.createStatement().execute("UPSERT INTO " + tableName |
| + " (id, page_id, dates, \"value\") VALUES (4, 8, 5, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY dates ASC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new long[]{5, 1}, (long[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void rowLessThanOffsetWithGroupBy() 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," |
| + " dates INTEGER, val INTEGER)"; |
| conn.createStatement().execute(ddl); |
| |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (2, 8, 0, 7)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (3, 8, 1, 9)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (4, 8, 2, 4)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (5, 8, 2, 2)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (6, 8, 3, 3)"); |
| conn.createStatement().execute( |
| "UPSERT INTO " + tableName + " (id, page_id, dates, val) VALUES (7, 9, 3, 5)"); |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery( |
| "SELECT LAST_VALUES(val, 2) WITHIN GROUP (ORDER BY dates ASC) FROM " |
| + tableName + " GROUP BY page_id"); |
| |
| assertTrue(rs.next()); |
| int[] result = (int[]) rs.getArray(1).getArray(); |
| assertEquals(result[0], 3); |
| assertInIntArray(new int[]{2, 4}, result[1]); |
| assertTrue(rs.next()); |
| Assert.assertArrayEquals(new int[]{5}, (int[]) rs.getArray(1).getArray()); |
| assertFalse(rs.next()); |
| } |
| |
| private void assertInIntArray(int[] should, int actualValue) { |
| ArrayList<Integer> shouldList = new ArrayList<Integer>(); |
| for (int i: should) { |
| shouldList.add(i); |
| } |
| assertTrue(shouldList.contains(actualValue)); |
| } |
| |
| } |
