Automatically recreate views with outdated schema

src/invidious/jobs.cr

@@ -129,6 +129,14 @@ def refresh_feeds(db, logger, max_threads = 1)
           active_threads += 1
           spawn do
             begin
+              db.query("SELECT * FROM #{view_name} LIMIT 1") do |rs|
+                # View doesn't contain same number of rows as ChannelVideo
+                if ChannelVideo.from_rs(rs)[0]?.try &.to_a.size.try &.!= rs.column_count
+                  db.exec("DROP MATERIALIZED VIEW #{view_name}")
+                  raise "valid schema does not exist"
+                end
+              end
+
               db.exec("REFRESH MATERIALIZED VIEW #{view_name}")
             rescue ex
               # Create view if it doesn't exist