Distinguish between stop-word recognized in thesaurus_lexize()

diff --git a/contrib/tsearch2/dict_thesaurus.c b/contrib/tsearch2/dict_thesaurus.c
index a584aa1..7138a1d 100644 (file)
--- a/contrib/tsearch2/dict_thesaurus.c
+++ b/contrib/tsearch2/dict_thesaurus.c
@@ -1,4 +1,4 @@
-/* $PostgreSQL: pgsql/contrib/tsearch2/dict_thesaurus.c,v 1.2 2006/06/02 15:35:42 teodor Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/dict_thesaurus.c,v 1.3 2006/06/02 17:55:40 teodor Exp $ */
 
 /*
  * thesaurus
@@ -728,10 +728,11 @@ thesaurus_lexize(PG_FUNCTION_ARGS)
 
                        info = findVariant( info, stored, curpos, infos, nlex);
                }
-
-       } else {
+       } else if ( res ) { /* stop-word */
                LexemeInfo      *infos = findTheLexeme(d, NULL);
                info = findVariant( NULL, stored, curpos, &infos, 1);
+       } else {
+               info = NULL; /* word isn't recognized */
        }
 
        dstate->private = (void*)info;