PHP DataQuery::setQueriedColumns方法代码示例

 /**
  * Retun an array of maps containing the keys, 'ID' and 'ParentID' for each page to be displayed
  * in the search.
  * 
  * @return Array
  */
 public function pagesIncluded()
 {
     $sng = singleton('SiteTree');
     $ids = array();
     $query = new DataQuery('SiteTree');
     $query->setQueriedColumns(array('ID', 'ParentID'));
     foreach ($this->params as $name => $val) {
         $SQL_val = Convert::raw2sql($val);
         switch ($name) {
             case 'Term':
                 $query->whereAny(array("\"URLSegment\" LIKE '%{$SQL_val}%'", "\"Title\" LIKE '%{$SQL_val}%'", "\"MenuTitle\" LIKE '%{$SQL_val}%'", "\"Content\" LIKE '%{$SQL_val}%'"));
                 break;
             case 'LastEditedFrom':
                 $fromDate = new DateField(null, null, $SQL_val);
                 $query->where("\"LastEdited\" >= '{$fromDate->dataValue()}'");
                 break;
             case 'LastEditedTo':
                 $toDate = new DateField(null, null, $SQL_val);
                 $query->where("\"LastEdited\" <= '{$toDate->dataValue()}'");
                 break;
             case 'ClassName':
                 if ($val && $val != 'All') {
                     $query->where("\"ClassName\" = '{$SQL_val}'");
                 }
                 break;
             default:
                 if (!empty($val) && $sng->hasDatabaseField($name)) {
                     $filter = $sng->dbObject($name)->defaultSearchFilter();
                     $filter->setValue($val);
                     $filter->apply($query);
                 }
         }
     }
     foreach ($query->execute() as $row) {
         $ids[] = array('ID' => $row['ID'], 'ParentID' => $row['ParentID']);
     }
     return $ids;
 }

 public function getDataObjects()
 {
     Versioned::reading_stage('Stage');
     $rows = array();
     $tables = $this->getQueryTables();
     $allFields = $this->getReportableFields();
     $selectedFields = $this->ReportFields->getValues();
     $fields = array();
     $sum = $this->SumFields->getValues();
     $sum = $sum ? $sum : array();
     if ($selectedFields) {
         foreach ($selectedFields as $field) {
             if (!isset($allFields[$field])) {
                 continue;
             }
             $as = $this->dottedFieldToUnique($allFields[$field]);
             $fields[$as] = $field;
         }
     }
     $baseTable = null;
     // stores the relationship name-to-aliasname mapping
     $relatedTables = array();
     // stores the tbl_{one}_{two} alias name-to-class-type mapping
     $aliasToDataType = array();
     foreach ($tables as $typeName => $alias) {
         if (strpos($typeName, '.')) {
             $relatedTables[$typeName] = $alias;
         } else {
             $baseTable = $typeName;
         }
     }
     if (!$baseTable) {
         throw new Exception("All freeform reports must have a base data type selected");
     }
     $multiValue = array();
     // go through and capture all the multivalue fields
     // at the same time, remap Type.Field structures to
     // TableName.Field
     $remappedFields = array();
     $simpleFields = array();
     foreach ($fields as $alias => $name) {
         $class = '';
         if (strpos($name, '.')) {
             list($class, $field) = explode('.', $name);
         } else {
             $class = $baseTable;
             $field = $name;
         }
         $typeFields = array();
         if (class_exists($class)) {
             $instance = singleton($class);
             $typeFields = method_exists($instance, 'getAdvancedReportableFields') ? $instance->getAdvancedReportableFields() : array();
         } else {
             if ($dataType = $this->fieldAliasToDataType($class)) {
                 $instance = singleton($dataType);
                 $typeFields = method_exists($instance, 'getAdvancedReportableFields') ? $instance->getAdvancedReportableFields($class . '.') : array();
             }
         }
         $fieldAlias = '';
         // if the name is prefixed, we need to figure out what the actual $class is from the
         // remote join
         if (strpos($name, 'tbl_') === 0) {
             $fieldAlias = $this->dottedFieldToUnique($name);
             $selectField = '"' . Convert::raw2sql($class) . '"."' . Convert::raw2sql($field) . '"';
             if (isset($typeFields[$field])) {
                 $selectField = $typeFields[$field];
             }
             $remappedFields[$fieldAlias] = $selectField;
             if (in_array($name, $sum)) {
                 $remappedFields[$fieldAlias] = 'SUM(' . $remappedFields[$fieldAlias] . ')';
             }
         } else {
             if (isset($typeFields[$name])) {
                 $remappedFields[$name] = $typeFields[$name];
             } else {
                 if (in_array($name, $sum)) {
                     $remappedFields[$field] = 'SUM(' . $field . ')';
                 } else {
                     // just store it as is
                     $simpleFields[$alias] = $field;
                 }
             }
         }
         $field = preg_replace('/Value$/', '', $field);
         $db = Config::inst()->get($class, 'db');
         if (isset($db[$field]) && $db[$field] == 'MultiValueField') {
             $multiValue[] = $alias;
         }
     }
     $dataQuery = new DataQuery($baseTable);
     $dataQuery->setQueriedColumns($simpleFields);
     // converts all the fields being queried into the appropriate
     // tables for querying.
     $query = $dataQuery->getFinalisedQuery();
     // explicit fields that we want to query against, that come from joins.
     // we need to do it this way to ensure that a) the field names in the results match up to
     // the header labels specified and b) because dataQuery by default doesn't return fields from
     // joined tables, it merely allows for fields from the base dataClass
     foreach ($remappedFields as $alias => $name) {
         $query->selectField($name, $alias);
//.........这里部分代码省略.........