/*
* 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;
import com.facebook.presto.testing.LocalQueryRunner;
import com.facebook.presto.testing.MaterializedResult;
import com.facebook.presto.tpch.TpchConnectorFactory;
import com.google.common.collect.ImmutableMap;
import org.testng.annotations.AfterClass;
import org.testng.annotations.Test;
import static com.facebook.presto.SessionTestUtils.TEST_SESSION;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static org.testng.Assert.assertEquals;
public class TestHiddenColumns
{
private LocalQueryRunner runner;
public TestHiddenColumns()
{
runner = new LocalQueryRunner(TEST_SESSION);
runner.createCatalog(TEST_SESSION.getCatalog(), new TpchConnectorFactory(runner.getNodeManager(), 1), ImmutableMap.<String, String>of());
}
@AfterClass
public void destroy()
{
if (runner != null) {
runner.close();
}
}
@Test
public void testDescribeTable()
throws Exception
{
MaterializedResult expected = MaterializedResult.resultBuilder(TEST_SESSION, VARCHAR, VARCHAR, BOOLEAN, BOOLEAN, VARCHAR)
.row("regionkey", "bigint", true, false, "")
.row("name", "varchar", true, false, "")
.row("comment", "varchar", true, false, "")
.build();
assertEquals(runner.execute("DESC REGION"), expected);
}
@Test
public void testSimpleSelect()
throws Exception
{
assertEquals(runner.execute("SELECT * from REGION"), runner.execute("SELECT regionkey, name, comment from REGION"));
assertEquals(runner.execute("SELECT *, row_number from REGION"), runner.execute("SELECT regionkey, name, comment, row_number from REGION"));
assertEquals(runner.execute("SELECT row_number, * from REGION"), runner.execute("SELECT row_number, regionkey, name, comment from REGION"));
assertEquals(runner.execute("SELECT *, row_number, * from REGION"), runner.execute("SELECT regionkey, name, comment, row_number, regionkey, name, comment from REGION"));
assertEquals(runner.execute("SELECT row_number, x.row_number from REGION x"), runner.execute("SELECT row_number, row_number from REGION"));
}
}