Remove filter caches.

1 files changed, 12 insertions, 0 deletions

diff --git a/db/migrate/20191118102858_clear_filter_cache.rb b/db/migrate/20191118102858_clear_filter_cache.rb
new file mode 100644
index 000000000..1c19f68d2
--- /dev/null
+++ b/db/migrate/20191118102858_clear_filter_cache.rb
@@ -0,0 +1,12 @@
+class ClearFilterCache < ActiveRecord::Migration[5.2]
+  include Redisable
+
+  def change
+    ['custom_cw', 'filtered_threads', 'filtered_statuses'].each do |ns|
+      Rails.logger.info("Clearing keys matching '#{ns}:*' ...")
+      Rails.cache.delete_matched("#{ns}:*")
+      keys = redis.keys("#{ns}:*")
+      redis.del(*keys) unless keys.empty?
+    end
+  end
+end