From f5c65d1eef7e08f3c2a52f784578b74fa011d33e Mon Sep 17 00:00:00 2001
From: chme <christian.meffert@googlemail.com>
Date: Sun, 5 Mar 2017 08:46:00 +0100
Subject: [PATCH] [db] Do not notify clients in 'db_queue_add_by_query' if no
 items were added

---
 src/db.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/db.c b/src/db.c
index 8629e329..3b708d04 100644
--- a/src/db.c
+++ b/src/db.c
@@ -4194,6 +4194,13 @@ db_queue_add_by_query(struct query_params *qp, char reshuffle, uint32_t item_id)
 
   DPRINTF(E_DBG, L_DB, "Player queue query returned %d items\n", qp->results);
 
+  if (qp->results == 0)
+    {
+      db_query_end(qp);
+      db_transaction_end();
+      return 0;
+    }
+
   while (((ret = db_query_fetch_file(qp, &dbmfi)) == 0) && (dbmfi.id))
     {
       ret = queue_add_file(&dbmfi, pos, pos);
@@ -4217,8 +4224,7 @@ db_queue_add_by_query(struct query_params *qp, char reshuffle, uint32_t item_id)
       return -1;
     }
 
-  if (pos > 0)
-    ret = (int) sqlite3_last_insert_rowid(hdl);
+  ret = (int) sqlite3_last_insert_rowid(hdl);
 
   db_transaction_end();