From dc1ebd45a30d806fcef2dc33679457285ba430b4 Mon Sep 17 00:00:00 2001
From: takayamaki <fsgiko@gmail.com>
Date: Thu, 30 Nov 2017 11:35:54 +0900
Subject: [PATCH] add index on stream_entries table (#5793)
---
db/migrate/20171129172043_add_index_on_stream_entries.rb | 7 +++++++
db/schema.rb | 4 ++--
2 files changed, 9 insertions(+), 2 deletions(-)
create mode 100644 db/migrate/20171129172043_add_index_on_stream_entries.rb
diff --git a/db/migrate/20171129172043_add_index_on_stream_entries.rb b/db/migrate/20171129172043_add_index_on_stream_entries.rb
new file mode 100644
index 0000000000..478530c7fd
--- /dev/null
+++ 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
index f2ef60375c..71674ece62 100644
--- 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 @@ ActiveRecord::Schema.define(version: 20171125190735) do
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
--
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