Fix issue with songs that have multiple tags and collaborators

diff --git a/src/littlesongplace/sql/schema_update.sql b/src/littlesongplace/sql/schema_update.sql
index b39b3fe9ae922eff5454f1b5df6816c45a33d4e9..3b543b1a291d392b3d5f62174f309247f3e8afbc 100644 (file)
--- a/src/littlesongplace/sql/schema_update.sql
+++ b/src/littlesongplace/sql/schema_update.sql
@@ -1,4 +1,15 @@
 CREATE VIEW songs_view AS
+    WITH
+        tags_agg AS (
+            SELECT songid, GROUP_CONCAT(tag) as tags
+            FROM song_tags
+            GROUP BY songid
+        ),
+        collaborators_agg AS (
+            SELECT songid, GROUP_CONCAT(name) as collaborators
+            FROM song_collaborators
+            GROUP BY songid
+        )
     SELECT
         songs.*,
         users.username,
@@ -8,14 +19,13 @@ CREATE VIEW songs_view AS
         jam_events.title AS event_title,
         jam_events.jamid AS jamid,
         jam_events.enddate AS event_enddate,
-        group_concat(song_tags.tag) AS tags,
-        group_concat(song_collaborators.name) AS collaborators
+        tags_agg.tags,
+        collaborators_agg.collaborators
     FROM songs
     INNER JOIN users ON songs.userid = users.userid
-    LEFT JOIN song_tags ON song_tags.songid = songs.songid
-    LEFT JOIN song_collaborators ON song_collaborators.songid = songs.songid
-    LEFT JOIN jam_events ON jam_events.eventid = songs.eventid
-    GROUP BY songs.songid;
+    LEFT JOIN tags_agg ON tags_agg.songid = songs.songid
+    LEFT JOIN collaborators_agg ON collaborators_agg.songid = songs.songid
+    LEFT JOIN jam_events ON jam_events.eventid = songs.eventid;
 
 PRAGMA user_version = 6;