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// Copyright (C) 2009 The Android Open Source Project
//
// 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.google.gerrit.server.schema;
import com.google.gerrit.reviewdb.Project;
import com.google.gerrit.reviewdb.ReviewDb;
import com.google.gerrit.reviewdb.SystemConfig;
import com.google.gwtorm.client.OrmException;
import com.google.gwtorm.jdbc.JdbcSchema;
import com.google.gwtorm.schema.sql.DialectH2;
import com.google.gwtorm.schema.sql.DialectMySQL;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Collections;
class Schema_21 extends SchemaVersion {
@Inject
Schema_21(Provider<Schema_20> prior) {
super(prior);
}
@Override
protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException, SQLException {
JdbcSchema jdbc = (JdbcSchema) db;
SystemConfig sc = db.systemConfig().get(new SystemConfig.Key());
Statement s = jdbc.getConnection().createStatement();
try {
ResultSet r;
r = s.executeQuery("SELECT name FROM projects WHERE project_id = 0");
try {
if (!r.next()) {
throw new OrmException("Cannot read old wild project");
}
sc.wildProjectName = new Project.NameKey(r.getString(1));
} finally {
r.close();
}
if (jdbc.getDialect() instanceof DialectMySQL) {
try {
s.execute("DROP FUNCTION nextval_project_id");
} catch (SQLException se) {
ui.message("warning: could not delete function nextval_project_id");
}
} else if (jdbc.getDialect() instanceof DialectH2) {
s.execute("ALTER TABLE projects DROP CONSTRAINT"
+ " IF EXISTS CONSTRAINT_F3");
}
} finally {
s.close();
}
db.systemConfig().update(Collections.singleton(sc));
}
}
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