--- a/backend/src/main/java/org/dive4elements/river/importer/sinfo/importitem/ChannelSeriesImport.java	Mon Mar 23 15:03:11 2020 +0100
+++ b/backend/src/main/java/org/dive4elements/river/importer/sinfo/importitem/ChannelSeriesImport.java	Mon Mar 23 15:06:26 2020 +0100
@@ -60,13 +60,16 @@
     }
 
     @Override
-    public List<Channel> querySeriesItem(final Session session, final River river) {
-        final Query query = session.createQuery("FROM Channel WHERE river=:river");
+    public List<Channel> querySeriesItem(final Session session, final River river, final boolean doQueryParent) {
+        final Query query = session.createQuery("FROM Channel WHERE river=:river AND (lower(filename)=:filename"
+                + " OR (:newfrom BETWEEN year_from AND year_to) OR (:newto BETWEEN year_from AND year_to))");
         query.setParameter("river", river);
+        query.setParameter("filename", this.filename.toLowerCase());
+        query.setParameter("newfrom", this.year_from);
+        query.setParameter("newto", this.year_to);
         return query.list();
     }
 
-
     @Override
     public Channel createSeriesItem(final River river) {
         return new Channel(river, this.filename, this.kmrange_info, this.notes, this.year_from, this.year_to);