dblayer : delete : raise a valid exception if the delete can't be done

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@2901 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayer.php

@@ -952,7 +952,14 @@ class dblayer
     if ($this->debug) echo "DEBUG BIND : primary->".
                            var_export ($deletekey, TRUE)."\n";
     $st->bindValue (":primary", $deletekey);
-    $st->execute ();
+    try
+    {
+      $st->execute ();
+    }
+    catch (Exception $e)
+    {
+      throw new \Exception ($e->getMessage (), 500);
+    }
     $nbLinesDeleted = $st->rowCount();
     $nbLinesDeleted = $this->hookpostdelete ($deletekey, $nbLinesDeleted);
     return $nbLinesDeleted;