Merge remote-tracking branch 'parent/main' into kb_migration

This commit is contained in:
KMY 2023-09-01 18:05:03 +09:00
commit 621a41b670
29 changed files with 640 additions and 300 deletions

View file

@ -15,10 +15,22 @@ class AddUniqueIndexOnPreviewCardsStatuses < ActiveRecord::Migration[6.1]
private
def supports_concurrent_reindex?
@supports_concurrent_reindex ||= begin
version = select_one("SELECT current_setting('server_version_num') AS v")['v'].to_i
version >= 12_000
end
end
def deduplicate_and_reindex!
deduplicate_preview_cards!
safety_assured { execute 'REINDEX INDEX CONCURRENTLY preview_cards_statuses_pkey' }
if supports_concurrent_reindex?
safety_assured { execute 'REINDEX INDEX CONCURRENTLY preview_cards_statuses_pkey' }
else
remove_index :preview_cards_statuses, name: :preview_cards_statuses_pkey
add_index :preview_cards_statuses, [:status_id, :preview_card_id], name: :preview_cards_statuses_pkey, algorithm: :concurrently, unique: true
end
rescue ActiveRecord::RecordNotUnique
retry
end