add index on stream_entries table (mastodon#5793)

KevinBongart · Nov 30, 2017 · dc1ebd4 · dc1ebd4
1 parent f0d4c7d
commit dc1ebd4
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/db/migrate/20171129172043_add_index_on_stream_entries.rb b/db/migrate/20171129172043_add_index_on_stream_entries.rb
@@ -0,0 +1,7 @@
+class AddIndexOnStreamEntries < ActiveRecord::Migration[5.1]
+  def change
+    commit_db_transaction
+    add_index :stream_entries, [:account_id, :activity_type, :id], algorithm: :concurrently
+    remove_index :stream_entries, name: :index_stream_entries_on_account_id
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171125190735) do
+ActiveRecord::Schema.define(version: 20171129172043) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -431,7 +431,7 @@
     t.datetime "updated_at", null: false
     t.boolean "hidden", default: false, null: false
     t.bigint "account_id"
-    t.index ["account_id"], name: "index_stream_entries_on_account_id"
+    t.index ["account_id", "activity_type", "id"], name: "index_stream_entries_on_account_id_and_activity_type_and_id"
     t.index ["activity_id", "activity_type"], name: "index_stream_entries_on_activity_id_and_activity_type"
   end