/*
* 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.execution;
import com.facebook.presto.Session;
import com.facebook.presto.spi.ConnectorHandleResolver;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.FixedPageSource;
import com.facebook.presto.spi.Plugin;
import com.facebook.presto.spi.connector.Connector;
import com.facebook.presto.spi.connector.ConnectorContext;
import com.facebook.presto.spi.connector.ConnectorFactory;
import com.facebook.presto.spi.connector.ConnectorMetadata;
import com.facebook.presto.spi.connector.ConnectorPageSinkProvider;
import com.facebook.presto.spi.connector.ConnectorPageSourceProvider;
import com.facebook.presto.spi.connector.ConnectorSplitManager;
import com.facebook.presto.spi.connector.ConnectorTransactionHandle;
import com.facebook.presto.spi.transaction.IsolationLevel;
import com.facebook.presto.testing.QueryRunner;
import com.facebook.presto.testing.TestingHandleResolver;
import com.facebook.presto.testing.TestingMetadata;
import com.facebook.presto.testing.TestingPageSinkProvider;
import com.facebook.presto.testing.TestingSplitManager;
import com.facebook.presto.testing.TestingTransactionHandle;
import com.facebook.presto.tests.AbstractTestQueryFramework;
import com.facebook.presto.tests.DistributedQueryRunner;
import com.facebook.presto.tpch.TpchPlugin;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import static com.facebook.presto.testing.TestingSession.testSessionBuilder;
import static java.util.Objects.requireNonNull;
import static org.testng.Assert.assertEquals;
@Test(singleThreaded = true)
public class TestBeginQuery
extends AbstractTestQueryFramework
{
private TestMetadata metadata;
protected TestBeginQuery()
throws Exception
{
super(TestBeginQuery::createQueryRunner);
}
private static QueryRunner createQueryRunner()
throws Exception
{
Session session = testSessionBuilder()
.setCatalog("test")
.setSchema("default")
.build();
return new DistributedQueryRunner(session, 1);
}
@BeforeClass
public void setUp()
throws Exception
{
metadata = new TestMetadata();
getQueryRunner().installPlugin(new TestPlugin(metadata));
getQueryRunner().installPlugin(new TpchPlugin());
getQueryRunner().createCatalog("test", "test", ImmutableMap.of());
getQueryRunner().createCatalog("tpch", "tpch", ImmutableMap.of());
}
@BeforeMethod
public void beforeMethod()
throws Exception
{
metadata.clear();
}
@Test
public void testCreateTableAsSelect()
throws Exception
{
assertNoBeginQuery("CREATE TABLE nation AS SELECT * FROM tpch.tiny.nation");
}
@Test
public void testCreateTableAsSelectSameConnector()
throws Exception
{
assertNoBeginQuery("CREATE TABLE nation AS SELECT * FROM tpch.tiny.nation");
assertBeginQuery("CREATE TABLE nation_copy AS SELECT * FROM nation");
}
@Test
public void testInsert()
throws Exception
{
assertNoBeginQuery("CREATE TABLE nation AS SELECT * FROM tpch.tiny.nation");
assertBeginQuery("INSERT INTO nation SELECT * FROM tpch.tiny.nation");
assertBeginQuery("INSERT INTO nation VALUES (12345, 'name', 54321, 'comment')");
}
@Test
public void testInsertSelectSameConnector()
throws Exception
{
assertNoBeginQuery("CREATE TABLE nation AS SELECT * FROM tpch.tiny.nation");
assertBeginQuery("INSERT INTO nation SELECT * FROM nation");
}
@Test
public void testSelect()
throws Exception
{
assertNoBeginQuery("CREATE TABLE nation AS SELECT * FROM tpch.tiny.nation");
assertBeginQuery("SELECT * FROM nation");
}
private void assertBeginQuery(String query)
{
metadata.resetCounters();
computeActual(query);
assertEquals(metadata.begin.get(), 1);
assertEquals(metadata.end.get(), 1);
metadata.resetCounters();
}
private void assertNoBeginQuery(String query)
{
metadata.resetCounters();
computeActual(query);
assertEquals(metadata.begin.get(), 0);
assertEquals(metadata.end.get(), 0);
metadata.resetCounters();
}
private static class TestPlugin
implements Plugin
{
private final TestMetadata metadata;
private TestPlugin(TestMetadata metadata)
{
this.metadata = requireNonNull(metadata, "metadata is null");
}
@Override
public Iterable<ConnectorFactory> getConnectorFactories()
{
return ImmutableList.of(new ConnectorFactory()
{
@Override
public String getName()
{
return "test";
}
@Override
public ConnectorHandleResolver getHandleResolver()
{
return new TestingHandleResolver();
}
@Override
public Connector create(String connectorId, Map<String, String> config, ConnectorContext context)
{
return new TestConnector(metadata);
}
});
}
}
private static class TestConnector
implements Connector
{
private final ConnectorMetadata metadata;
private TestConnector(ConnectorMetadata metadata)
{
this.metadata = requireNonNull(metadata, "metadata is null");
}
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
return TestingTransactionHandle.create();
}
@Override
public ConnectorMetadata getMetadata(ConnectorTransactionHandle transactionHandle)
{
return metadata;
}
@Override
public ConnectorSplitManager getSplitManager()
{
return new TestingSplitManager(ImmutableList.of());
}
@Override
public ConnectorPageSourceProvider getPageSourceProvider()
{
return (transactionHandle, session, split, columns) -> new FixedPageSource(ImmutableList.of());
}
@Override
public ConnectorPageSinkProvider getPageSinkProvider()
{
return new TestingPageSinkProvider();
}
}
private static class TestMetadata
extends TestingMetadata
{
private final AtomicInteger begin = new AtomicInteger();
private final AtomicInteger end = new AtomicInteger();
@Override
public void beginQuery(ConnectorSession session)
{
begin.incrementAndGet();
}
@Override
public void cleanupQuery(ConnectorSession session)
{
end.incrementAndGet();
}
public void resetCounters()
{
begin.set(0);
end.set(0);
}
}
}