/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.sql.optimizer.plan;
import com.foundationdb.sql.NamedParamsTestBase;
import com.foundationdb.sql.optimizer.OptimizerTestBase;
import com.foundationdb.sql.optimizer.rule.ASTStatementLoader;
import com.foundationdb.sql.optimizer.rule.BaseRule;
import com.foundationdb.sql.optimizer.rule.PlanContext;
import com.foundationdb.sql.optimizer.rule.RulesTestContext;
import com.foundationdb.sql.parser.DMLStatementNode;
import com.foundationdb.sql.parser.StatementNode;
import com.foundationdb.ais.model.AkibanInformationSchema;
import com.foundationdb.junit.NamedParameterizedRunner;
import com.foundationdb.junit.NamedParameterizedRunner.TestParameters;
import com.foundationdb.junit.Parameterization;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
import java.io.File;
import java.util.*;
@RunWith(NamedParameterizedRunner.class)
public class DuplicatePlanTest extends OptimizerTestBase
{
public static final File RESOURCE_DIR =
new File(OptimizerTestBase.RESOURCE_DIR, "plan/duplicate");
@TestParameters
public static Collection<Parameterization> statements() throws Exception {
Collection<Object[]> result = new ArrayList<>();
for (File sqlFile : listSQLFiles(RESOURCE_DIR)) {
String caseName = sqlFile.getName().replace(".sql", "");
String sql = fileContents(sqlFile);
result.add(new Object[] {
caseName, sql
});
}
return NamedParamsTestBase.namedCases(result);
}
private AkibanInformationSchema ais;
public DuplicatePlanTest(String caseName, String sql) {
super(caseName, sql, null, null);
}
@Before
public void loadDDL() throws Exception {
ais = loadSchema(new File(RESOURCE_DIR, "schema.ddl"));
}
@Test
public void testDuplicatePlan() throws Exception {
StatementNode stmt = parser.parseStatement(sql);
binder.bind(stmt);
stmt = booleanNormalizer.normalize(stmt);
typeComputer.compute(stmt);
stmt = subqueryFlattener.flatten((DMLStatementNode)stmt);
// Turn parsed AST into intermediate form.
PlanNode plan = new AST((DMLStatementNode)stmt, parser.getParameterList());
{
RulesTestContext rulesContext =
RulesTestContext.create(ais, null, false,
Collections.<BaseRule>singletonList(new ASTStatementLoader()), new Properties());
PlanContext planContext = new PlanContext(rulesContext, plan);
rulesContext.applyRules(planContext);
plan = planContext.getPlan();
}
PlanNode duplicate = (PlanNode)plan.duplicate();
assertFalse(plan == duplicate);
assertEqualsWithoutHashes(caseName,
PlanToString.of(plan),
PlanToString.of(duplicate));
}
}