| /* |
| * 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 maynot 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 applicablelaw 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.ROW1; |
| import static org.apache.phoenix.util.TestUtil.ROW2; |
| import static org.apache.phoenix.util.TestUtil.ROW3; |
| import static org.apache.phoenix.util.TestUtil.ROW4; |
| import static org.apache.phoenix.util.TestUtil.ROW5; |
| import static org.apache.phoenix.util.TestUtil.ROW7; |
| import static org.apache.phoenix.util.TestUtil.ROW8; |
| import static org.apache.phoenix.util.TestUtil.ROW9; |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.math.BigDecimal; |
| import java.sql.Connection; |
| import java.sql.Date; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.ResultSetMetaData; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.util.PhoenixRuntime; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| import com.google.common.collect.Lists; |
| |
| @RunWith(Parameterized.class) |
| public class CaseStatementIT extends BaseQueryIT { |
| |
| public CaseStatementIT(String indexDDL, boolean mutable, boolean columnEncoded) { |
| super(indexDDL, mutable, columnEncoded); |
| } |
| |
| @Parameters(name="CaseStatementIT_{index}") // name is used by failsafe as file name in reports |
| public static Collection<Object> data() { |
| return QueryIT.data(); |
| } |
| |
| @Test |
| public void testSimpleCaseStatement() throws Exception { |
| String query = "SELECT CASE a_integer WHEN 1 THEN 'a' WHEN 2 THEN 'b' WHEN 3 THEN 'c' ELSE 'd' END, entity_id AS a FROM " + tableName + " WHERE organization_id=? AND a_integer < 6"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| @SuppressWarnings("unchecked") |
| List<List<Object>> expectedResults = Lists.newArrayList( |
| Arrays.<Object>asList("a",ROW1), |
| Arrays.<Object>asList( "b",ROW2), |
| Arrays.<Object>asList("c",ROW3), |
| Arrays.<Object>asList("d",ROW4), |
| Arrays.<Object>asList("d",ROW5)); |
| assertValuesEqualsResultSet(rs, expectedResults); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testMultiCondCaseStatement() throws Exception { |
| String query = "SELECT CASE WHEN a_integer <= 2 THEN 1.5 WHEN a_integer = 3 THEN 2 WHEN a_integer <= 6 THEN 4.5 ELSE 5 END AS a FROM " + tableName + " WHERE organization_id=?"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(1.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(1.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(2), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testPartialEvalCaseStatement() throws Exception { |
| String query = "SELECT entity_id FROM " + tableName + " WHERE organization_id=? and CASE WHEN 1234 = a_integer THEN 1 WHEN x_integer = 5 THEN 2 ELSE 3 END = 2"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(ROW7, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testFoundIndexOnPartialEvalCaseStatement() throws Exception { |
| String query = "SELECT entity_id FROM " + tableName + " WHERE organization_id=? and CASE WHEN a_integer = 1234 THEN 1 WHEN x_integer = 3 THEN y_integer ELSE 3 END = 300"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(ROW9, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| // TODO: we need some tests that have multiple versions of key values |
| @Test |
| public void testUnfoundMultiColumnCaseStatement() throws Exception { |
| String query = "SELECT entity_id, b_string FROM " + tableName + " WHERE organization_id=? and CASE WHEN a_integer = 1234 THEN 1 WHEN a_date < ? THEN y_integer WHEN x_integer = 4 THEN 4 ELSE 3 END = 4"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| statement.setDate(2, new Date(System.currentTimeMillis())); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(ROW8, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testNonNullMultiCondCaseStatement() throws Exception { |
| String query = "SELECT CASE WHEN entity_id = '000000000000000' THEN 1 WHEN entity_id = '000000000000001' THEN 2 ELSE 3 END FROM " + tableName + " WHERE organization_id=?"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| ResultSetMetaData rsm = rs.getMetaData(); |
| assertEquals(ResultSetMetaData.columnNoNulls,rsm.isNullable(1)); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testNullMultiCondCaseStatement() throws Exception { |
| String query = "SELECT CASE WHEN entity_id = '000000000000000' THEN 1 WHEN entity_id = '000000000000001' THEN 2 END FROM " + tableName + " WHERE organization_id=?"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| ResultSetMetaData rsm = rs.getMetaData(); |
| assertEquals(ResultSetMetaData.columnNullable,rsm.isNullable(1)); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testNullabilityMultiCondCaseStatement() throws Exception { |
| String query = "SELECT CASE WHEN a_integer <= 2 THEN ? WHEN a_integer = 3 THEN ? WHEN a_integer <= ? THEN ? ELSE 5 END AS a FROM " + tableName + " WHERE organization_id=?"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts + 5); // Run query at timestamp 5 |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(url, props); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setBigDecimal(1,BigDecimal.valueOf(1.5)); |
| statement.setInt(2,2); |
| statement.setInt(3,6); |
| statement.setBigDecimal(4,BigDecimal.valueOf(4.5)); |
| statement.setString(5, tenantId); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(1.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(1.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(2), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(4.5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertTrue(rs.next()); |
| assertEquals(BigDecimal.valueOf(5), rs.getBigDecimal(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| } |
