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more faster index on notifications table (#6108)
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@ -0,0 +1,7 @@
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class MoreFasterIndexOnNotifications < ActiveRecord::Migration[5.1]
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def change
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commit_db_transaction
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add_index :notifications, [:account_id, :id], order: { id: :desc }, algorithm: :concurrently
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remove_index :notifications, name: :index_notifications_on_id_and_account_id_and_activity_type
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end
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end
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@ -10,7 +10,7 @@
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#
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#
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# It's strongly recommended that you check this file into your version control system.
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20171212195226) do
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ActiveRecord::Schema.define(version: 20171226094803) do
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# These are extensions that must be enabled in order to support this database
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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enable_extension "plpgsql"
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@ -259,8 +259,8 @@ ActiveRecord::Schema.define(version: 20171212195226) do
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t.bigint "account_id"
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t.bigint "account_id"
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t.bigint "from_account_id"
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t.bigint "from_account_id"
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t.index ["account_id", "activity_id", "activity_type"], name: "account_activity", unique: true
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t.index ["account_id", "activity_id", "activity_type"], name: "account_activity", unique: true
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t.index ["account_id", "id"], name: "index_notifications_on_account_id_and_id", order: { id: :desc }
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t.index ["activity_id", "activity_type"], name: "index_notifications_on_activity_id_and_activity_type"
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t.index ["activity_id", "activity_type"], name: "index_notifications_on_activity_id_and_activity_type"
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t.index ["id", "account_id", "activity_type"], name: "index_notifications_on_id_and_account_id_and_activity_type", order: { id: :desc }
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end
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end
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create_table "oauth_access_grants", force: :cascade do |t|
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create_table "oauth_access_grants", force: :cascade do |t|
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