From bda8e4f815708bd4deeb3c2310732e0b7a4e15e8 Mon Sep 17 00:00:00 2001 From: Takeshi Umeda Date: Tue, 14 Dec 2021 07:21:14 +0900 Subject: Fix follow recommendation biased towards older accounts (#17126) --- ...040746_update_account_summaries_to_version_2.rb | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 db/migrate/20211213040746_update_account_summaries_to_version_2.rb (limited to 'db/migrate') diff --git a/db/migrate/20211213040746_update_account_summaries_to_version_2.rb b/db/migrate/20211213040746_update_account_summaries_to_version_2.rb new file mode 100644 index 000000000..0d1f092ec --- /dev/null +++ b/db/migrate/20211213040746_update_account_summaries_to_version_2.rb @@ -0,0 +1,24 @@ +class UpdateAccountSummariesToVersion2 < ActiveRecord::Migration[6.1] + def up + reapplication_follow_recommendations_v2 do + drop_view :account_summaries, materialized: true + create_view :account_summaries, version: 2, materialized: { no_data: true } + safety_assured { add_index :account_summaries, :account_id, unique: true } + end + end + + def down + reapplication_follow_recommendations_v2 do + drop_view :account_summaries, materialized: true + create_view :account_summaries, version: 1, materialized: { no_data: true } + safety_assured { add_index :account_summaries, :account_id, unique: true } + end + end + + def reapplication_follow_recommendations_v2 + drop_view :follow_recommendations, materialized: true + yield + create_view :follow_recommendations, version: 2, materialized: { no_data: true } + safety_assured { add_index :follow_recommendations, :account_id, unique: true } + end +end -- cgit