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# frozen_string_literal: true
class RemoveAnalyticsRepositoryFilesFkOnOtherAnalyticsTables < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
# Requires ExclusiveLock on all tables. analytics_* tables are empty
with_lock_retries do
remove_foreign_key_if_exists(:analytics_repository_file_edits, :analytics_repository_files) if table_exists?(:analytics_repository_file_edits) # this table might be already dropped on development environment
end
with_lock_retries do
remove_foreign_key_if_exists(:analytics_repository_file_commits, :analytics_repository_files)
end
end
def down
add_concurrent_foreign_key(:analytics_repository_file_edits, :analytics_repository_files, column: :analytics_repository_file_id, on_delete: :cascade)
add_concurrent_foreign_key(:analytics_repository_file_commits, :analytics_repository_files, column: :analytics_repository_file_id, on_delete: :cascade)
end
end
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