| /* |
| * 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.assertTrue; |
| |
| import java.math.BigDecimal; |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| |
| import org.apache.phoenix.expression.function.AbsFunction; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * End to end tests for {@link AbsFunction} |
| */ |
| public class AbsFunctionEnd2EndIT extends ParallelStatsDisabledIT { |
| |
| private static final String TABLE_NAME = generateUniqueName(); |
| private static final String KEY = "key"; |
| |
| @Before |
| public void initTable() throws Exception { |
| Connection conn = null; |
| PreparedStatement stmt = null; |
| try { |
| conn = DriverManager.getConnection(getUrl()); |
| String ddl; |
| ddl = "CREATE TABLE " + TABLE_NAME + " (k VARCHAR NOT NULL PRIMARY KEY, \"DEC\" DECIMAL, doub DOUBLE, fl FLOAT, inte INTEGER, lon BIGINT, smalli SMALLINT, tinyi 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 " + TABLE_NAME + " VALUES (?, ?, ?, ?, ?, ?, ?, ?)"); |
| stmt.setString(1, KEY); |
| Double d = Double.valueOf(data); |
| stmt.setBigDecimal(2, BigDecimal.valueOf(data)); |
| stmt.setDouble(3, d.doubleValue()); |
| stmt.setFloat(4, d.floatValue()); |
| stmt.setInt(5, d.intValue()); |
| stmt.setLong(6, d.longValue()); |
| stmt.setShort(7, d.shortValue()); |
| stmt.setByte(8, d.byteValue()); |
| stmt.executeUpdate(); |
| conn.commit(); |
| } |
| |
| private void testSignedNumberSpec(Connection conn, double data) throws Exception { |
| updateSignedTable(conn, data); |
| ResultSet rs = conn.createStatement() .executeQuery("SELECT ABS(\"DEC\"),ABS(doub),ABS(fl),ABS(inte),ABS(lon),ABS(smalli),ABS(tinyi) FROM " + TABLE_NAME); |
| assertTrue(rs.next()); |
| Double d = Double.valueOf(data); |
| assertEquals(rs.getBigDecimal(1).compareTo(BigDecimal.valueOf(data).abs()), 0); |
| assertEquals(rs.getDouble(2), Math.abs(data), 1e-6); |
| assertEquals(rs.getFloat(3), Math.abs(d.floatValue()), 1e-6); |
| assertEquals(rs.getInt(4), Math.abs(d.intValue())); |
| assertEquals(rs.getLong(5), Math.abs(d.longValue())); |
| assertEquals(rs.getShort(6), Math.abs(d.shortValue())); |
| assertEquals(rs.getByte(7), Math.abs(d.byteValue())); |
| assertTrue(!rs.next()); |
| |
| PreparedStatement stmt = conn.prepareStatement("SELECT k FROM " + TABLE_NAME + " WHERE ABS(\"DEC\")=? AND ABS(doub)=? AND ABS(fl)=? AND ABS(inte)=? AND ABS(lon)=? AND ABS(smalli)=? AND ABS(tinyi)=?"); |
| stmt.setBigDecimal(1, BigDecimal.valueOf(data).abs()); |
| stmt.setDouble(2, Math.abs(d.doubleValue())); |
| stmt.setFloat(3, Math.abs(d.floatValue())); |
| stmt.setInt(4, Math.abs(d.intValue())); |
| stmt.setLong(5, Math.abs(d.longValue())); |
| stmt.setShort(6, (short) Math.abs(d.shortValue())); |
| stmt.setByte(7, (byte) Math.abs(d.byteValue())); |
| rs = stmt.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(KEY, rs.getString(1)); |
| assertTrue(!rs.next()); |
| } |
| |
| @Test |
| public void testSignedNumber() throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| testSignedNumberSpec(conn, 0.0); |
| testSignedNumberSpec(conn, 1.0); |
| testSignedNumberSpec(conn, -1.0); |
| testSignedNumberSpec(conn, 123.1234); |
| testSignedNumberSpec(conn, -123.1234); |
| } |
| } |