/**
* 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;
import com.foundationdb.sql.parser.DMLStatementNode;
import com.foundationdb.sql.parser.StatementNode;
import org.junit.Before;
import java.io.File;
public abstract class DistinctEliminatorTestBase extends OptimizerTestBase {
public static final File RESOURCE_DIR =
new File(OptimizerTestBase.RESOURCE_DIR, "eliminate-distincts");
@Before
public final void loadDDL() throws Exception {
loadSchema(new File(RESOURCE_DIR, "schema.ddl"));
((BoundNodeToString)unparser).setUseBindings(true);
}
protected String optimized() throws Exception {
StatementNode stmt = parser.parseStatement(sql);
binder.bind(stmt);
stmt = booleanNormalizer.normalize(stmt);
typeComputer.compute(stmt);
stmt = subqueryFlattener.flatten((DMLStatementNode)stmt);
stmt = distinctEliminator.eliminate((DMLStatementNode)stmt);
return unparser.toString(stmt);
}
public DistinctEliminatorTestBase(String caseName, String sql,
String expected, String error) {
super(caseName, sql, expected, error);
}
}