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