--- loncom/interface/loncoursedata.pm	2005/04/07 06:56:23	1.146
+++ loncom/interface/loncoursedata.pm	2005/04/19 00:44:31	1.147
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursedata.pm,v 1.146 2005/04/07 06:56:23 albertel Exp $
+# $Id: loncoursedata.pm,v 1.147 2005/04/19 00:44:31 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1270,23 +1270,28 @@ sub store_student_data {
         # make sure the symb is set up properly
         my $symb_id = &get_symb_id($current_symb);
         #
-        # Load data into the tables
+        # Parameters
         while (my ($parameter,$value) = each(%$param_hash)) {
-            my $newstring;
             if ($parameter !~ /(timestamp|resource\.(.*)\.(solved|tries|awarded|award|awarddetail|previous))/) {
-                $newstring = "('".join("','",
-                                       $symb_id,$student_id,
-                                       $parameter)."',".
-                                           $dbh->quote($value)."),\n";
+                my $sql_parameter = "('".join("','",
+                                              $symb_id,$student_id,
+                                              $parameter)."',".
+                                                  $dbh->quote($value)."),\n";
                 $num_parameters ++;
-                if ($newstring !~ /''/) {
-                    $store_parameters_command .= $newstring;
+                if ($sql_parameter !~ /''/) {
+                    $store_parameters_command .= $sql_parameter;
                     $rows_stored++;
                 }
             }
-            next if ($parameter !~ /^resource\.(.*)\.solved$/);
-            #
+        }
+        # Performance
+        my %stored;
+        while (my ($parameter,$value) = each(%$param_hash)) {
+            next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/);
             my $part = $1;
+            next if (exists($stored{$part}));
+            $stored{$part}++;
+            #
             my $part_id = &get_part_id($part);
             next if (!defined($part_id));
             my $solved  = $value;
@@ -1301,29 +1306,30 @@ sub store_student_data {
             $awarded     = '' if (! defined($awarded));
             $award       = '' if (! defined($award));
             $awarddetail = '' if (! defined($awarddetail));
-            $newstring = "('".join("','",$symb_id,$student_id,$part_id,$part,
-                                   $solved,$tries,$awarded,$award,
-                                   $awarddetail,$timestamp)."'),\n";
-            $store_performance_command .= $newstring;
+            my $sql_performance = 
+                "('".join("','",$symb_id,$student_id,$part_id,$part,
+                                $solved,$tries,$awarded,$award,
+                                $awarddetail,$timestamp)."'),\n";
+            $store_performance_command .= $sql_performance;
             $rows_stored++;
         }
     }
-    chop $store_parameters_command;
-    chop $store_parameters_command;
-    chop $store_performance_command;
-    chop $store_performance_command;
+    $store_parameters_command =~ s|,\n$||;
+    $store_performance_command =~ s|,\n$||;
     my $start = Time::HiRes::time;
     $dbh->do($store_performance_command);
     if ($dbh->err()) {
-        &Apache::lonnet::logthis(' bigass insert error:'.$dbh->errstr());
-        &Apache::lonnet::logthis('command = '.$store_performance_command);
+        &Apache::lonnet::logthis('performance bigass insert error:'.
+                                 $dbh->errstr());
+        &Apache::lonnet::logthis('command = '.$/.$store_performance_command);
         $returnstatus = 'error: unable to insert performance into database';
         return ($returnstatus,$student_data);
     }
     $dbh->do($store_parameters_command) if ($num_parameters>0);
     if ($dbh->err()) {
-        &Apache::lonnet::logthis(' bigass insert error:'.$dbh->errstr());
-        &Apache::lonnet::logthis('command = '.$store_parameters_command);
+        &Apache::lonnet::logthis('parameters bigass insert error:'.
+                                 $dbh->errstr());
+        &Apache::lonnet::logthis('command = '.$/.$store_parameters_command);
         &Apache::lonnet::logthis('rows_stored = '.$rows_stored);
         &Apache::lonnet::logthis('student_id = '.$student_id);
         $returnstatus = 'error: unable to insert parameters into database';