--- loncom/interface/lonmysql.pm	2011/05/31 02:40:02	1.39
+++ loncom/interface/lonmysql.pm	2019/11/20 18:02:55	1.41
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # MySQL utility functions
 #
-# $Id: lonmysql.pm,v 1.39 2011/05/31 02:40:02 raeburn Exp $
+# $Id: lonmysql.pm,v 1.41 2019/11/20 18:02:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1259,6 +1259,7 @@ Fixes a table name so that it will work
 sub fix_table_name {
     my ($name) = @_;
     $name =~ s/^(\d+[eE]\d+)/_$1/;
+    $name =~ s/\W//g;
     return $name;
 }
 
@@ -1287,7 +1288,7 @@ sub unsqltime {
     my $timestamp=shift;
     if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) {
         $timestamp=&maketime('year'=>$1,'month'=>$2,'day'=>$3,
-                             'hours'=>$4,'minutes'=>$5,'seconds'=>$6);
+                             'hours'=>$4,'minutes'=>$5,'seconds'=>$6,'dlsav'=>-1);
     }
     return $timestamp;
 }