Fixed issue #3973: Statistics fails on Multi Flexi question type on M…

…SSQL DB git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@8142 b72ed6b6-b9f8-46b5-92b4-906544132732
LimeSurvey · Dec 11, 2009 · 2ce2589 · 2ce2589
1 parent a575146
commit 2ce2589
Showing 1 changed file with 12 additions and 4 deletions.
diff --git a/admin/statistics_function.php b/admin/statistics_function.php
@@ -1778,7 +1778,7 @@ function generate_statistics($surveyid, $allfields, $q2show='all', $usegraph=0,
 
 					break;
 				}
-
+				echo '';	
 				//loop thorugh the array which contains all answer data
 				foreach ($alist as $al)
 				{
@@ -1858,9 +1858,17 @@ function generate_statistics($surveyid, $allfields, $q2show='all', $usegraph=0,
 						  //  ==> value is ''
 						  // * NoAnswer due to conditions, or a page not displayed
 						  //  ==> value is NULL
-							$query = "SELECT count(*) FROM ".db_table_name("survey_$surveyid")." WHERE ".db_quote_id($rt)." IS NULL "
-								. "OR ".db_quote_id($rt)." = '' "
-								. "OR ".db_quote_id($rt)." = ' '";
+                            if ($connect->databaseType == 'odbc_mssql' || $connect->databaseType == 'odbtp' || $connect->databaseType == 'mssql_n')
+                            {
+                                // mssql cannot compare text blobs so we have to cast here
+                                $query = "SELECT count(*) FROM ".db_table_name("survey_$surveyid")." WHERE ".db_quote_id($rt)." IS NULL "
+                                    . "OR cast(".db_quote_id($rt)." as varchar) = '' "
+                                    . "OR cast(".db_quote_id($rt)." as varchar) = ' '";
+                            }
+                            else
+							    $query = "SELECT count(*) FROM ".db_table_name("survey_$surveyid")." WHERE ".db_quote_id($rt)." IS NULL "
+								    . "OR ".db_quote_id($rt)." = '' "
+								    . "OR ".db_quote_id($rt)." = ' '";
 						}
 
 					}