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/*
* SonarQube
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.db;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Arrays;
import java.util.List;
import javax.sql.DataSource;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.lang.StringUtils;
import org.dbunit.dataset.datatype.DefaultDataTypeFactory;
import org.dbunit.dataset.datatype.IDataTypeFactory;
import org.dbunit.dataset.datatype.ToleratedDeltaMap;
import org.dbunit.ext.h2.H2DataTypeFactory;
import org.dbunit.ext.mssql.MsSqlDataTypeFactory;
import org.dbunit.ext.mysql.MySqlDataTypeFactory;
import org.dbunit.ext.oracle.Oracle10DataTypeFactory;
import org.dbunit.ext.postgresql.PostgresqlDataTypeFactory;
import org.sonar.db.dialect.Dialect;
import org.sonar.db.dialect.MsSql;
import org.sonar.db.dialect.MySql;
import org.sonar.db.dialect.Oracle;
import org.sonar.db.dialect.PostgreSql;
import org.sonar.db.version.SqTables;
public abstract class DatabaseCommands {
private final IDataTypeFactory dbUnitFactory;
private DatabaseCommands(DefaultDataTypeFactory dbUnitFactory) {
this.dbUnitFactory = dbUnitFactory;
// Hack for MsSQL failure in IssueMapperTest.
// All the Double fields should be listed here.
dbUnitFactory.addToleratedDelta(new ToleratedDeltaMap.ToleratedDelta("issues", "effort_to_fix", 0.0001));
}
public final IDataTypeFactory getDbUnitFactory() {
return dbUnitFactory;
}
abstract List<String> resetSequenceSql(String table, int minSequenceValue);
String truncateSql(String table) {
return "TRUNCATE TABLE " + table;
}
boolean useLoginAsSchema() {
return false;
}
public static DatabaseCommands forDialect(Dialect dialect) {
DatabaseCommands command = ImmutableMap.of(
org.sonar.db.dialect.H2.ID, H2,
MsSql.ID, MSSQL,
MySql.ID, MYSQL,
Oracle.ID, ORACLE,
PostgreSql.ID, POSTGRESQL).get(dialect.getId());
return Preconditions.checkNotNull(command, "Unknown database: " + dialect);
}
private static final DatabaseCommands H2 = new DatabaseCommands(new H2DataTypeFactory()) {
@Override
List<String> resetSequenceSql(String table, int minSequenceValue) {
return Arrays.asList("ALTER TABLE " + table + " ALTER COLUMN ID RESTART WITH " + minSequenceValue);
}
};
private static final DatabaseCommands POSTGRESQL = new DatabaseCommands(new PostgresqlDataTypeFactory()) {
@Override
List<String> resetSequenceSql(String table, int minSequenceValue) {
return Arrays.asList("ALTER SEQUENCE " + table + "_id_seq RESTART WITH " + minSequenceValue);
}
};
private static final DatabaseCommands ORACLE = new DatabaseCommands(new Oracle10DataTypeFactory()) {
@Override
List<String> resetSequenceSql(String table, int minSequenceValue) {
String sequence = StringUtils.upperCase(table) + "_SEQ";
return Arrays.asList(
"DROP SEQUENCE " + sequence,
"CREATE SEQUENCE " + sequence + " INCREMENT BY 1 MINVALUE 1 START WITH " + minSequenceValue);
}
@Override
String truncateSql(String table) {
return "TRUNCATE TABLE " + table + " REUSE STORAGE";
}
@Override
boolean useLoginAsSchema() {
return true;
}
};
private static final DatabaseCommands MSSQL = new DatabaseCommands(new MsSqlDataTypeFactory()) {
@Override
public void resetPrimaryKeys(DataSource dataSource) {
}
@Override
List<String> resetSequenceSql(String table, int minSequenceValue) {
return null;
}
@Override
protected boolean shouldTruncate(Connection connection, String table) throws SQLException {
// truncate all tables on mssql, else unexpected errors in some tests
return true;
}
};
private static final DatabaseCommands MYSQL = new DatabaseCommands(new MySqlDataTypeFactory()) {
@Override
public void resetPrimaryKeys(DataSource dataSource) {
}
@Override
List<String> resetSequenceSql(String table, int minSequenceValue) {
return null;
}
};
public void truncateDatabase(DataSource dataSource) throws SQLException {
Connection connection = dataSource.getConnection();
Statement statement = null;
try {
connection.setAutoCommit(false);
statement = connection.createStatement();
for (String table : SqTables.TABLES) {
try {
if (shouldTruncate(connection, table)) {
statement.executeUpdate(truncateSql(table));
connection.commit();
}
} catch (Exception e) {
connection.rollback();
throw new IllegalStateException("Fail to truncate table " + table, e);
}
}
} finally {
DbUtils.closeQuietly(connection);
DbUtils.closeQuietly(statement);
}
}
protected boolean shouldTruncate(Connection connection, String table) throws SQLException {
Statement stmt = connection.createStatement();
ResultSet rs = null;
try {
rs = stmt.executeQuery("select count(1) from " + table);
if (rs.next()) {
return rs.getInt(1) > 0;
}
} catch (SQLException ignored) {
// probably because table does not exist. That's the case with H2 tests.
} finally {
DbUtils.closeQuietly(rs);
DbUtils.closeQuietly(stmt);
}
return false;
}
public void resetPrimaryKeys(DataSource dataSource) throws SQLException {
Connection connection = null;
Statement statement = null;
ResultSet resultSet = null;
try {
connection = dataSource.getConnection();
connection.setAutoCommit(false);
statement = connection.createStatement();
for (String table : SqTables.TABLES) {
try {
resultSet = statement.executeQuery("SELECT CASE WHEN MAX(ID) IS NULL THEN 1 ELSE MAX(ID)+1 END FROM " + table);
resultSet.next();
int maxId = resultSet.getInt(1);
resultSet.close();
for (String resetCommand : resetSequenceSql(table, maxId)) {
statement.executeUpdate(resetCommand);
}
connection.commit();
} catch (Exception e) {
connection.rollback(); // this table has no primary key
}
}
} finally {
DbUtils.closeQuietly(connection, statement, resultSet);
}
}
}
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