PHP CRM_Core_DAO::executeUnbufferedQuery方法代码示例

//.........这里部分代码省略.........
     }
     $multipleSelectFields = array('preferred_communication_method' => 1);
     $addPaymentHeader = FALSE;
     $paymentDetails = array();
     if ($paymentFields || $selectedPaymentFields) {
         // get payment related in for event and members
         $paymentDetails = CRM_Contribute_BAO_Contribution::getContributionDetails($exportMode, $ids);
         //get all payment headers.
         // If we haven't selected specific payment fields, load in all the
         // payment headers.
         if (!$selectedPaymentFields) {
             $paymentHeaders = self::componentPaymentFields();
             if (!empty($paymentDetails)) {
                 $addPaymentHeader = TRUE;
             }
         } else {
             $paymentHeaders = array();
         }
         $nullContributionDetails = array_fill_keys(array_keys($paymentHeaders), NULL);
     }
     $componentDetails = array();
     $setHeader = TRUE;
     $rowCount = self::EXPORT_ROW_COUNT;
     $offset = 0;
     // we write to temp table often to avoid using too much memory
     $tempRowCount = 100;
     $count = -1;
     // for CRM-3157 purposes
     $i18n = CRM_Core_I18n::singleton();
     list($outputColumns, $headerRows, $sqlColumns, $metadata) = self::getExportStructureArrays($returnProperties, $query, $phoneTypes, $imProviders, $contactRelationshipTypes, $relationQuery, $selectedPaymentFields);
     $limitReached = FALSE;
     while (!$limitReached) {
         $limitQuery = "{$queryString} LIMIT {$offset}, {$rowCount}";
         $dao = CRM_Core_DAO::executeUnbufferedQuery($limitQuery);
         // If this is less than our limit by the end of the iteration we do not need to run the query again to
         // check if some remain.
         $rowsThisIteration = 0;
         while ($dao->fetch()) {
             $count++;
             $rowsThisIteration++;
             $row = array();
             //convert the pseudo constants
             // CRM-14398 there is problem in this architecture that is not easily solved. For now we are using the cloned
             // temporary iterationDAO object to get around it.
             // the issue is that the convertToPseudoNames function is adding additional properties (e.g for campaign) to the DAO object
             // these additional properties are NOT reset when the $dao cycles through the while loop
             // nor are they overwritten as they are not in the loop
             // the convertToPseudoNames will not adequately over-write them either as it doesn't 'kick-in' unless the
             // relevant property is set.
             // It may be that a long-term fix could be introduced there - however, it's probably necessary to figure out how to test the
             // export class before tackling a better architectural fix
             $iterationDAO = clone $dao;
             $query->convertToPseudoNames($iterationDAO);
             //first loop through output columns so that we return what is required, and in same order.
             $relationshipField = 0;
             foreach ($outputColumns as $field => $value) {
                 // add im_provider to $dao object
                 if ($field == 'im_provider' && property_exists($iterationDAO, 'provider_id')) {
                     $iterationDAO->im_provider = $iterationDAO->provider_id;
                 }
                 //build row values (data)
                 $fieldValue = NULL;
                 if (property_exists($iterationDAO, $field)) {
                     $fieldValue = $iterationDAO->{$field};
                     // to get phone type from phone type id
                     if ($field == 'phone_type_id' && isset($phoneTypes[$fieldValue])) {