/*
* 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.tests;
import com.facebook.presto.Session;
import com.facebook.presto.connector.system.SystemSplitManager;
import com.facebook.presto.connector.system.SystemTablesMetadata;
import com.facebook.presto.index.IndexManager;
import com.facebook.presto.metadata.InMemoryNodeManager;
import com.facebook.presto.metadata.Metadata;
import com.facebook.presto.metadata.MetadataManager;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.split.SplitManager;
import com.facebook.presto.sql.analyzer.FeaturesConfig;
import com.facebook.presto.sql.analyzer.QueryExplainer;
import com.facebook.presto.sql.parser.SqlParser;
import com.facebook.presto.sql.planner.PlanOptimizersFactory;
import com.facebook.presto.sql.planner.optimizations.PlanOptimizer;
import com.facebook.presto.sql.tree.ExplainType;
import com.facebook.presto.testing.MaterializedResult;
import com.facebook.presto.testing.MaterializedRow;
import com.facebook.presto.testing.QueryRunner;
import com.facebook.presto.type.TypeRegistry;
import com.google.common.base.Function;
import org.intellij.lang.annotations.Language;
import org.testng.annotations.AfterClass;
import java.util.List;
import static org.testng.Assert.assertEquals;
public abstract class AbstractTestQueryFramework
{
protected final H2QueryRunner h2QueryRunner;
protected final QueryRunner queryRunner;
private final SqlParser sqlParser;
protected AbstractTestQueryFramework(QueryRunner queryRunner)
{
this.queryRunner = queryRunner;
h2QueryRunner = new H2QueryRunner();
sqlParser = new SqlParser();
}
@AfterClass(alwaysRun = true)
private void close()
throws Exception
{
try {
h2QueryRunner.close();
}
finally {
queryRunner.close();
}
}
protected Session getSession()
{
return queryRunner.getDefaultSession();
}
public final int getNodeCount()
{
return queryRunner.getNodeCount();
}
protected MaterializedResult computeActual(@Language("SQL") String sql)
{
return queryRunner.execute(getSession(), sql).toJdbcTypes();
}
protected void assertQuery(@Language("SQL") String sql)
throws Exception
{
QueryAssertions.assertQuery(queryRunner, getSession(), sql, h2QueryRunner, sql, false);
}
public void assertQueryOrdered(@Language("SQL") String sql)
throws Exception
{
QueryAssertions.assertQuery(queryRunner, getSession(), sql, h2QueryRunner, sql, true);
}
protected void assertQuery(@Language("SQL") String actual, @Language("SQL") String expected)
throws Exception
{
QueryAssertions.assertQuery(queryRunner, getSession(), actual, h2QueryRunner, expected, false);
}
protected void assertQueryOrdered(@Language("SQL") String actual, @Language("SQL") String expected)
throws Exception
{
QueryAssertions.assertQuery(queryRunner, getSession(), actual, h2QueryRunner, expected, true);
}
protected void assertQueryTrue(@Language("SQL") String sql)
throws Exception
{
assertQuery(sql, "SELECT true");
}
public void assertApproximateQuery(Session session, @Language("SQL") String actual, @Language("SQL") String expected)
throws Exception
{
QueryAssertions.assertApproximateQuery(queryRunner,
session,
actual,
h2QueryRunner,
expected);
}
protected MaterializedResult computeExpected(@Language("SQL") String sql, List<? extends Type> resultTypes)
{
return h2QueryRunner.execute(sql, resultTypes);
}
public Function<MaterializedRow, String> onlyColumnGetter()
{
return new Function<MaterializedRow, String>()
{
@Override
public String apply(MaterializedRow input)
{
assertEquals(input.getFieldCount(), 1);
return (String) input.getField(0);
}
};
}
public String getExplainPlan(String query, ExplainType.Type planType)
{
QueryExplainer explainer = getQueryExplainer();
return explainer.getPlan(sqlParser.createStatement(query), planType);
}
public String getGraphvizExplainPlan(String query, ExplainType.Type planType)
{
QueryExplainer explainer = getQueryExplainer();
return explainer.getGraphvizPlan(sqlParser.createStatement(query), planType);
}
private QueryExplainer getQueryExplainer()
{
Metadata metadata = new MetadataManager(new FeaturesConfig().setExperimentalSyntaxEnabled(true), new TypeRegistry(), new SystemTablesMetadata());
FeaturesConfig featuresConfig = new FeaturesConfig().setExperimentalSyntaxEnabled(true);
List<PlanOptimizer> optimizers = new PlanOptimizersFactory(metadata, sqlParser, new SplitManager(new SystemSplitManager(new InMemoryNodeManager())), new IndexManager(), featuresConfig).get();
return new QueryExplainer(queryRunner.getDefaultSession(), optimizers, metadata, sqlParser, featuresConfig.isExperimentalSyntaxEnabled(), featuresConfig.isDistributedIndexJoinsEnabled(), featuresConfig.isDistributedJoinsEnabled());
}
}