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require_relative '../../lib/mastodon/migration_helpers'
require_relative '../../lib/mastodon/migration_warning'
class IdsToBigints < ActiveRecord::Migration[5.1]
include Mastodon::MigrationHelpers
include Mastodon::MigrationWarning
disable_ddl_transaction!
def migrate_columns(to_type)
included_columns = [
[:account_domain_blocks, :account_id],
[:account_domain_blocks, :id],
[:accounts, :id],
[:blocks, :account_id],
[:blocks, :id],
[:blocks, :target_account_id],
[:conversation_mutes, :account_id],
[:conversation_mutes, :id],
[:domain_blocks, :id],
[:favourites, :account_id],
[:favourites, :id],
[:favourites, :status_id],
[:follow_requests, :account_id],
[:follow_requests, :id],
[:follow_requests, :target_account_id],
[:follows, :account_id],
[:follows, :id],
[:follows, :target_account_id],
[:imports, :account_id],
[:imports, :id],
[:media_attachments, :account_id],
[:media_attachments, :id],
[:mentions, :account_id],
[:mentions, :id],
[:mutes, :account_id],
[:mutes, :id],
[:mutes, :target_account_id],
[:notifications, :account_id],
[:notifications, :from_account_id],
[:notifications, :id],
[:oauth_access_grants, :application_id],
[:oauth_access_grants, :id],
[:oauth_access_grants, :resource_owner_id],
[:oauth_access_tokens, :application_id],
[:oauth_access_tokens, :id],
[:oauth_access_tokens, :resource_owner_id],
[:oauth_applications, :id],
[:oauth_applications, :owner_id],
[:reports, :account_id],
[:reports, :action_taken_by_account_id],
[:reports, :id],
[:reports, :target_account_id],
[:session_activations, :access_token_id],
[:session_activations, :user_id],
[:session_activations, :web_push_subscription_id],
[:settings, :id],
[:settings, :thing_id],
[:statuses, :account_id],
[:statuses, :application_id],
[:statuses, :in_reply_to_account_id],
[:stream_entries, :account_id],
[:stream_entries, :id],
[:subscriptions, :account_id],
[:subscriptions, :id],
[:tags, :id],
[:users, :account_id],
[:users, :id],
[:web_settings, :id],
[:web_settings, :user_id],
]
included_columns << [:deprecated_preview_cards, :id] if table_exists?(:deprecated_preview_cards)
migration_duration_warning(<<~EXPLANATION)
This migration has some sections that can be safely interrupted
and restarted later, and will tell you when those are occurring.
For more information, see https://github.com/mastodon/mastodon/pull/5088
EXPLANATION
tables = included_columns.map(&:first).uniq
table_sizes = {}
# Sort tables by their size
tables.each do |table|
table_sizes[table] = estimate_rows_in_table(table)
end
ordered_columns = included_columns.sort_by do |col_parts|
[-table_sizes[col_parts.first], col_parts.last]
end
ordered_columns.each do |column_parts|
table, column = column_parts
# Skip this if we're resuming and already did this one.
next if column_for(table, column).sql_type == to_type.to_s
change_column_type_concurrently table, column, to_type
cleanup_concurrent_column_type_change table, column
end
end
def up
migrate_columns(:bigint)
end
def down
migrate_columns(:integer)
end
end
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