/*
* Licensed 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 com.facebook.presto.jdbc;
import com.facebook.presto.server.TestingPrestoServer;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import static com.facebook.presto.jdbc.TestDriver.closeQuietly;
import static java.lang.String.format;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
public class TestJdbcResultSet
{
private TestingPrestoServer server;
private Connection connection;
private Statement statement;
@SuppressWarnings("JDBCResourceOpenedButNotSafelyClosed")
@BeforeMethod
public void setup()
throws Exception
{
server = new TestingPrestoServer();
connection = createConnection();
statement = connection.createStatement();
}
@AfterMethod
public void teardown()
{
closeQuietly(statement);
closeQuietly(connection);
closeQuietly(server);
}
@Test
public void testDuplicateColumnLabels()
throws Exception
{
try (ResultSet rs = statement.executeQuery("SELECT 123 x, 456 x")) {
ResultSetMetaData metadata = rs.getMetaData();
assertEquals(metadata.getColumnCount(), 2);
assertEquals(metadata.getColumnName(1), "x");
assertEquals(metadata.getColumnName(2), "x");
assertTrue(rs.next());
assertEquals(rs.getLong(1), 123L);
assertEquals(rs.getLong(2), 456L);
assertEquals(rs.getLong("x"), 123L);
}
}
@SuppressWarnings("UnnecessaryBoxing")
@Test
public void testObjectTypes()
throws Exception
{
// TODO: enable these after the server is fixed
// String sql = "SELECT 123, 0.1, true, 'hello', 1.0 / 0.0, 0.0 / 0.0";
String sql = "SELECT 123, 0.1, true, 'hello'";
try (ResultSet rs = statement.executeQuery(sql)) {
ResultSetMetaData metadata = rs.getMetaData();
// assertEquals(metadata.getColumnCount(), 6);
assertEquals(metadata.getColumnCount(), 4);
assertEquals(metadata.getColumnType(1), Types.BIGINT);
assertEquals(metadata.getColumnType(2), Types.DOUBLE);
assertEquals(metadata.getColumnType(3), Types.BOOLEAN);
assertEquals(metadata.getColumnType(4), Types.LONGNVARCHAR);
// assertEquals(metadata.getColumnType(5), Types.DOUBLE);
// assertEquals(metadata.getColumnType(6), Types.DOUBLE);
assertTrue(rs.next());
assertEquals(rs.getObject(1), 123L);
assertEquals(rs.getObject(2), 0.1d);
assertEquals(rs.getObject(3), true);
assertEquals(rs.getObject(4), "hello");
// assertEquals(rs.getObject(5), Double.POSITIVE_INFINITY);
// assertEquals(rs.getObject(6), Double.NaN);
}
}
private Connection createConnection()
throws SQLException
{
String url = format("jdbc:presto://%s", server.getAddress());
return DriverManager.getConnection(url, "test", null);
}
}