| /* |
| * 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.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| 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.ExpFunction; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * End to end tests for {@link ExpFunction} |
| */ |
| public class ExpFunctionEnd2EndIT extends ParallelStatsDisabledIT { |
| |
| private static final String KEY = "key"; |
| private static final double ZERO = 1e-8; |
| private String signedTableName; |
| private String unsignedTableName; |
| |
| @Before |
| public void initTable() throws Exception { |
| Connection conn = null; |
| PreparedStatement stmt = null; |
| signedTableName = generateUniqueName(); |
| unsignedTableName = generateUniqueName(); |
| |
| try { |
| conn = DriverManager.getConnection(getUrl()); |
| String ddl; |
| ddl = "CREATE TABLE " + signedTableName + " (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 " + unsignedTableName + " (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 updateSignedTable(Connection conn, double data) throws Exception { |
| |
| PreparedStatement stmt = conn.prepareStatement("UPSERT INTO " + signedTableName + " 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 updateUnsignedTable(Connection conn, double data) throws Exception { |
| PreparedStatement stmt = conn.prepareStatement("UPSERT INTO " + unsignedTableName + " 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 testSignedNumberSpec(Connection conn, double data) throws Exception { |
| updateSignedTable(conn, data); |
| ResultSet rs = conn.createStatement().executeQuery("SELECT EXP(doub),EXP(fl),EXP(inte),EXP(lon),EXP(smalli),EXP(tinyi) FROM " + signedTableName); |
| assertTrue(rs.next()); |
| Double d = Double.valueOf(data); |
| assertTrue(Math.abs(rs.getDouble(1) - Math.exp(d.doubleValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(2) - Math.exp(d.floatValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(3) - Math.exp(d.intValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(4) - Math.exp(d.longValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(5) - Math.exp(d.shortValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(6) - Math.exp(d.byteValue())) < ZERO); |
| assertTrue(!rs.next()); |
| } |
| |
| private void testUnsignedNumberSpec(Connection conn, double data) throws Exception { |
| updateUnsignedTable(conn, data); |
| ResultSet rs = conn.createStatement().executeQuery("SELECT EXP(doub),EXP(fl),EXP(inte),EXP(lon),EXP(smalli),EXP(tinyi) FROM " + unsignedTableName); |
| assertTrue(rs.next()); |
| Double d = Double.valueOf(data); |
| assertTrue(Math.abs(rs.getDouble(1) - Math.exp(d.doubleValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(2) - Math.exp(d.floatValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(3) - Math.exp(d.intValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(4) - Math.exp(d.longValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(5) - Math.exp(d.shortValue())) < ZERO); |
| assertTrue(Math.abs(rs.getDouble(6) - Math.exp(d.byteValue())) < ZERO); |
| assertTrue(!rs.next()); |
| } |
| |
| @Test |
| public void testSignedNumber() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| for (double d : new double[] { 0.0, 1.0, 123.1234}) { |
| testSignedNumberSpec(conn, d); |
| } |
| } |
| |
| @Test |
| public void testUnsignedNumber() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| for (double d : new double[] { 0.0, 1.0, 123.1234 }) { |
| testUnsignedNumberSpec(conn, d); |
| } |
| } |
| |
| @Test |
| public void testExpForLeadingPK() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| String ddl = "create table test (id integer primary key)"; |
| conn.createStatement().execute(ddl); |
| String dml = "upsert into test values (?)"; |
| PreparedStatement stmt = conn.prepareStatement(dml); |
| for (int i = 1; i <= 5; i++) { |
| stmt.setInt(1, i); |
| stmt.execute(); |
| } |
| conn.commit(); |
| |
| ResultSet rs = conn.createStatement().executeQuery("select ID, exp(ID) from test where exp(ID) < 10"); |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt(1)); |
| assertTrue(rs.next()); |
| assertEquals(2, rs.getInt(1)); |
| assertFalse(rs.next()); |
| } |
| |
| } |