docs: function clearDefaultValue(string) {
      // Does not support SQL functions. IMHO it is better to handle sql function default values in RDMS.
      var defaultValue = undefined, lowercaseString, booleanValue;
      if (string.charAt(0) === "'" || string.charAt(0) === '"') {
          string = string.substring(1, string.length - 1);
          defaultValue = string.replace(/''/g, "'");
      } else {
          lowercaseString = string.toLowerCase()
          booleanValue = (lowercaseString === 'true');
          if (booleanValue || lowercaseString === 'false') {
              defaultValue = booleanValue;
          }
      }
      return defaultValue;
  }