instance method dump_all

# File activerecord/lib/active_record/tasks/database_tasks.rb, line 430
      def dump_all
        seen_schemas = []

        ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
          schema_path = schema_dump_path(db_config, ENV["SCHEMA_FORMAT"] || db_config.schema_format)

          next if seen_schemas.include?(schema_path)

          ActiveRecord::Tasks::DatabaseTasks.dump_schema(db_config, ENV["SCHEMA_FORMAT"] || db_config.schema_format)
          seen_schemas << schema_path
        end
      end