original_string: public function pick_question_dataset($question, $datasetitem) {
          // Select a dataset in the following format:
          // an array indexed by the variable names (d.name) pointing to the value
          // to be substituted.
          global $CFG, $DB;
          if (!$dataitems = $DB->get_records_sql(
                  "SELECT i.id, d.name, i.value
                     FROM {question_dataset_definitions} d,
                          {question_dataset_items} i,
                          {question_datasets} q
                    WHERE q.question = ?
                      AND q.datasetdefinition = d.id
                      AND d.id = i.definition
                      AND i.itemnumber = ?
                 ORDER BY i.id DESC ", array($question->id, $datasetitem))) {
              $a = new stdClass();
              $a->id = $question->id;
              $a->item = $datasetitem;
              print_error('cannotgetdsfordependent', 'question', '', $a);
          }
          $dataset = Array();
          foreach ($dataitems as $id => $dataitem) {
              if (!isset($dataset[$dataitem->name])) {
                  $dataset[$dataitem->name] = $dataitem->value;
              }
          }
          return $dataset;
      }
code: public function pick_question_dataset($question, $datasetitem) {
          // Select a dataset in the following format:
          // an array indexed by the variable names (d.name) pointing to the value
          // to be substituted.
          global $CFG, $DB;
          if (!$dataitems = $DB->get_records_sql(
                  "SELECT i.id, d.name, i.value
                     FROM {question_dataset_definitions} d,
                          {question_dataset_items} i,
                          {question_datasets} q
                    WHERE q.question = ?
                      AND q.datasetdefinition = d.id
                      AND d.id = i.definition
                      AND i.itemnumber = ?
                 ORDER BY i.id DESC ", array($question->id, $datasetitem))) {
              $a = new stdClass();
              $a->id = $question->id;
              $a->item = $datasetitem;
              print_error('cannotgetdsfordependent', 'question', '', $a);
          }
          $dataset = Array();
          foreach ($dataitems as $id => $dataitem) {
              if (!isset($dataset[$dataitem->name])) {
                  $dataset[$dataitem->name] = $dataitem->value;
              }
          }
          return $dataset;
      }
code_tokens: public function pick_question_dataset ( $ question , $ datasetitem ) { // Select a dataset in the following format: // an array indexed by the variable names (d.name) pointing to the value // to be substituted. global $ CFG , $ DB ; if ( ! $ dataitems = $ DB -> get_records_sql ( "SELECT i.id, d.name, i.value
                     FROM {question_dataset_definitions} d,
                          {question_dataset_items} i,
                          {question_datasets} q
                    WHERE q.question = ?
                      AND q.datasetdefinition = d.id
                      AND d.id = i.definition
                      AND i.itemnumber = ?
                 ORDER BY i.id DESC " , array ( $ question -> id , $ datasetitem ) ) ) { $ a = new stdClass ( ) ; $ a -> id = $ question -> id ; $ a -> item = $ datasetitem ; print_error ( 'cannotgetdsfordependent' , 'question' , '' , $ a ) ; } $ dataset = Array ( ) ; foreach ( $ dataitems as $ id => $ dataitem ) { if ( ! isset ( $ dataset [ $ dataitem -> name ] ) ) { $ dataset [ $ dataitem -> name ] = $ dataitem -> value ; } } return $ dataset ; }
docstring: Dataset functionality.
docstring_tokens: Dataset functionality .