Add extract_foreign_key_action to Mastodon::MigrationHelpers (#7195)

This commit is contained in:
Yamagishi Kazutoshi 2018-04-20 19:21:28 +09:00 committed by Eugen Rochko
parent a9c440637c
commit 084cf0babf

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@ -985,6 +985,17 @@ into similar problems in the future (e.g. when new tables are created).
BackgroundMigrationWorker.perform_in(delay_interval * index, job_class_name, [start_id, end_id])
end
end
private
# https://github.com/rails/rails/blob/v5.2.0/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb#L678-L684
def extract_foreign_key_action(specifier)
case specifier
when 'c'; :cascade
when 'n'; :nullify
when 'r'; :restrict
end
end
end
end