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-rw-r--r--httemplate/search/timeworked.html4
1 files changed, 3 insertions, 1 deletions
diff --git a/httemplate/search/timeworked.html b/httemplate/search/timeworked.html
index d07cd4f59..e810822d7 100644
--- a/httemplate/search/timeworked.html
+++ b/httemplate/search/timeworked.html
@@ -45,7 +45,9 @@ my @groupby = ();
my $transactiontime = "
CASE Transactions.Type WHEN 'Set'
- THEN (TO_NUMBER(NewValue,'999999')-TO_NUMBER(OldValue, '999999')) * 60
+ THEN ( CASE WHEN NewValue = '' THEN 0 ELSE TO_NUMBER(NewValue,'999999') END
+ -TO_NUMBER(OldValue, '999999')
+ ) * 60
ELSE TimeTaken*60
END
";