ESDet / esdportal_api

            // If it is the field name and the field type has a single column

            // schema, add the field condition to the index query.

            if ($field_name == $filter_field && count($field_info['columns']) == 1) {

              $column = key($field_info['columns']);

              $query->fieldCondition($field_name, $column, $filter_value, $operator);

              break;

            }

            else {

              // Otherwise if the filter field contains a valid column

              // specification for the field type, add the field condition to

              // the index query.

              $column = substr($filter_field, strlen($field_name) + 1);

              if (in_array($column, array_keys($field_info['columns']))) {

                $query->fieldCondition($field_name, $column, $filter_value, $operator);

                break;

              }

            }

          }

        }

      }

            // If it is the field name and the field type has a single column

            // schema, add the field condition to the index query.

            if ($field_name == $sort_field && count($field_info['columns']) == 1) {

              $column = key($field_info['columns']);

              $query->fieldOrderBy($field_name, $column, $direction);

              break;

            }

            else {

              // Otherwise if the sort field contains a valid column

              // specification for the field type, add the field condition to

              // the index query.

              $column = substr($sort_field, strlen($field_name) + 1);

              if (in_array($column, array_keys($field_info['columns']))) {

                $query->fieldOrderBy($field_name, $column, $direction);

                break;

              }

            }

          }

        }

      }