return commandExecutor.execute(new Command<String>(){
public String execute(CommandContext commandContext) {
DbSqlSessionFactory dbSqlSessionFactory = (DbSqlSessionFactory) commandContext.getSessionFactories().get(DbSqlSession.class);
DbSqlSession dbSqlSession = new DbSqlSession(dbSqlSessionFactory, connection, catalog, schema);
commandContext.getSessions().put(DbSqlSession.class, dbSqlSession);
dbSqlSession.dbSchemaUpdate();
return "";
}
});
}