id3fs-index -l: bare tags: don't display tags with children (eg year)

[id3fs.git] / lib / ID3FS / DB.pm

diff --git a/lib/ID3FS/DB.pm b/lib/ID3FS/DB.pm
index 48b5a01..5821b53 100644 (file)
--- a/lib/ID3FS/DB.pm
+++ b/lib/ID3FS/DB.pm
@@ -152,9 +152,10 @@ sub last_update
 sub bare_tags
 {
     my($self)=@_;
-    my $sql=("SELECT tags.name FROM tags\n" .
-            "WHERE tags.parents_id=''\n" .
-            "GROUP BY tags.name\n");
+    my $sql=("SELECT t1.name FROM tags t1\n" .
+            "LEFT JOIN tags t2 on t1.id=t2.parents_id\n" .
+            "WHERE t1.parents_id='' AND t2.id IS NULL\n" .
+            "GROUP BY t1.name\n");
     my @names=$self->cmd_firstcol($sql);
     return (@names);
 }