Add fix for channel job

src/invidious.cr

@@ -83,9 +83,13 @@ crawl_threads.times do
   end
 end
 
+total_channels = PG_DB.query_one("SELECT count(*) FROM channels", as: Int64)
 channel_threads.times do |i|
+  limit = total_channels / channel_threads
+  offset = limit.not_nil! * i
+
   spawn do
-    refresh_channels(PG_DB)
+    refresh_channels(PG_DB, limit, offset)
   end
 end
 

src/invidious/jobs.cr

@@ -44,9 +44,9 @@ def crawl_videos(db)
   end
 end
 
-def refresh_channels(db)
+def refresh_channels(db, limit = 0, offset = 0)
   loop do
-    db.query("SELECT id FROM channels ORDER BY updated") do |rs|
+    db.query("SELECT id FROM channels ORDER BY updated limit $1 offset $2", limit, offset) do |rs|
       rs.each do
         client = make_client(YT_URL)