code: public int getErrorCount () {
          try {
              // Ensure any outstanding inserts are committed so that count is accurate.
              this.commit();
              Statement statement = connection.createStatement();
              statement.execute(String.format("select count(*) from %serrors", tablePrefix));
              ResultSet resultSet = statement.getResultSet();
              resultSet.next();
              int count = resultSet.getInt(1);
              return count;
          } catch (SQLException ex) {
              throw new StorageException(ex);
          }
      }
docs: Commits any outstanding error inserts and returns the error count via a SQL query.