qualify warn; sort_by is not a required search parameter

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>
Signed-off-by: Henri-Damien LAURENT <henridamien.laurent@biblibre.com>

diff --git a/C4/Search.pm b/C4/Search.pm
index 791dd00..5576ee8 100644 (file)
--- a/C4/Search.pm
+++ b/C4/Search.pm
@@ -426,6 +426,9 @@ sub getRecords {
             elsif ( $sort eq "title_za" ) {
                 $sort_by .= "1=4 >i ";
             }
+            else {
+                warn "Ignoring unrecognized sort '$sort' requested" if $sort_by;
+            }
         }
         if ($sort_by) {
             if ( $results[$i]->sort( "yaz", $sort_by ) < 0 ) {