| /* |
| * 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.apache.phoenix.util.TestUtil.closeStmtAndConn; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| |
| import org.apache.phoenix.expression.function.PowerFunction; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * End to end tests for {@link PowerFunction} |
| */ |
| public class PowerFunctionEnd2EndIT extends BaseHBaseManagedTimeIT { |
| |
| private static final String KEY = "key"; |
| private static final double ZERO = 1e-9; |
| |
| private static boolean twoDoubleEquals(double a, double b) { |
| if (Double.isNaN(a) ^ Double.isNaN(b)) return false; |
| if (Double.isNaN(a)) return true; |
| if (Double.isInfinite(a) ^ Double.isInfinite(b)) return false; |
| if (Double.isInfinite(a)) { |
| if ((a > 0) ^ (b > 0)) return false; |
| else return true; |
| } |
| if (Math.abs(a - b) <= ZERO) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| @Before |
| public void initTable() throws Exception { |
| Connection conn = null; |
| PreparedStatement stmt = null; |
| try { |
| conn = DriverManager.getConnection(getUrl()); |
| String ddl; |
| ddl = |
| "CREATE TABLE testSigned (k VARCHAR NOT NULL PRIMARY KEY, doub DOUBLE, fl FLOAT, inte INTEGER, lon BIGINT, smalli SMALLINT, tinyi TINYINT)"; |
| conn.createStatement().execute(ddl); |
| ddl = |
| "CREATE TABLE testUnsigned (k VARCHAR NOT NULL PRIMARY KEY, doub UNSIGNED_DOUBLE, fl UNSIGNED_FLOAT, inte UNSIGNED_INT, lon UNSIGNED_LONG, smalli UNSIGNED_SMALLINT, tinyi UNSIGNED_TINYINT)"; |
| conn.createStatement().execute(ddl); |
| conn.commit(); |
| } finally { |
| closeStmtAndConn(stmt, conn); |
| } |
| } |
| |
| private void updateTableSpec(Connection conn, double data, String tableName) throws Exception { |
| PreparedStatement stmt = |
| conn.prepareStatement("UPSERT INTO " + tableName + " VALUES (?, ?, ?, ?, ?, ?, ?)"); |
| stmt.setString(1, KEY); |
| Double d = Double.valueOf(data); |
| stmt.setDouble(2, d.doubleValue()); |
| stmt.setFloat(3, d.floatValue()); |
| stmt.setInt(4, d.intValue()); |
| stmt.setLong(5, d.longValue()); |
| stmt.setShort(6, d.shortValue()); |
| stmt.setByte(7, d.byteValue()); |
| stmt.executeUpdate(); |
| conn.commit(); |
| } |
| |
| private void testNumberSpec(Connection conn, double data, String tableName) throws Exception { |
| updateTableSpec(conn, data, tableName); |
| ResultSet rs = |
| conn.createStatement() |
| .executeQuery( |
| "SELECT POWER(doub, 1.5),POWER(fl, 1.5),POWER(inte, 1.5),POWER(lon, 1.5),POWER(smalli, 1.5),POWER(tinyi, 1.5) FROM " |
| + tableName); |
| assertTrue(rs.next()); |
| Double d = Double.valueOf(data); |
| assertTrue(twoDoubleEquals(rs.getDouble(1), Math.pow(d.doubleValue(), 1.5))); |
| assertTrue(twoDoubleEquals(rs.getDouble(2), Math.pow(d.floatValue(), 1.5))); |
| assertTrue(twoDoubleEquals(rs.getDouble(3), Math.pow(d.intValue(), 1.5))); |
| assertTrue(twoDoubleEquals(rs.getDouble(4), Math.pow(d.longValue(), 1.5))); |
| assertTrue(twoDoubleEquals(rs.getDouble(5), Math.pow(d.shortValue(), 1.5))); |
| assertTrue(twoDoubleEquals(rs.getDouble(6), Math.pow(d.byteValue(), 1.5))); |
| |
| assertTrue(!rs.next()); |
| rs = |
| conn.createStatement() |
| .executeQuery( |
| "SELECT POWER(doub, 2),POWER(fl, 2),POWER(inte, 2),POWER(lon, 2),POWER(smalli, 2),POWER(tinyi, 2) FROM " |
| + tableName); |
| assertTrue(rs.next()); |
| d = Double.valueOf(data); |
| assertTrue(twoDoubleEquals(rs.getDouble(1), Math.pow(d.doubleValue(), 2))); |
| assertTrue(twoDoubleEquals(rs.getDouble(2), Math.pow(d.floatValue(), 2))); |
| assertTrue(twoDoubleEquals(rs.getDouble(3), Math.pow(d.intValue(), 2))); |
| assertTrue(twoDoubleEquals(rs.getDouble(4), Math.pow(d.longValue(), 2))); |
| assertTrue(twoDoubleEquals(rs.getDouble(5), Math.pow(d.shortValue(), 2))); |
| assertTrue(twoDoubleEquals(rs.getDouble(6), Math.pow(d.byteValue(), 2))); |
| assertTrue(!rs.next()); |
| |
| rs = |
| conn.createStatement().executeQuery( |
| "SELECT POWER(doub,3),POWER(fl,3),POWER(inte,3),POWER(lon,3),POWER(smalli,3),POWER(tinyi,3) FROM " |
| + tableName); |
| assertTrue(rs.next()); |
| d = Double.valueOf(data); |
| assertTrue(twoDoubleEquals(rs.getDouble(1), Math.pow(d.doubleValue(), 3))); |
| assertTrue(twoDoubleEquals(rs.getDouble(2), Math.pow(d.floatValue(), 3))); |
| assertTrue(twoDoubleEquals(rs.getDouble(3), Math.pow(d.intValue(), 3))); |
| assertTrue(twoDoubleEquals(rs.getDouble(4), Math.pow(d.longValue(), 3))); |
| assertTrue(twoDoubleEquals(rs.getDouble(5), Math.pow(d.shortValue(), 3))); |
| assertTrue(twoDoubleEquals(rs.getDouble(6), Math.pow(d.byteValue(), 3))); |
| assertTrue(!rs.next()); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| for (double d : new double[] { 0.0, 1.0, -1.0, 123.1234, -123.1234 }) { |
| testNumberSpec(conn, d, "testSigned"); |
| if (d >= 0) testNumberSpec(conn, d, "testUnsigned"); |
| } |
| } |
| } |