docs: public static SQLParser newInstance(final DatabaseType databaseType, final String sql) {
          for (ShardingParseEngine each : NewInstanceServiceLoader.newServiceInstances(ShardingParseEngine.class)) {
              if (DatabaseType.valueOf(each.getDatabaseType()) == databaseType) {
                  return each.createSQLParser(sql);
              }
          }
          throw new UnsupportedOperationException(String.format("Cannot support database type '%s'", databaseType));
      }