Implements the PostgresSQL timestamptz (aka timestamp with time zone) type with nanosecond precision.

attribute :timestamp, AshPostgres.TimestamptzUsec
timestamps type: AshPostgres.TimestamptzUsec

Alternatively, you can set up a shortname:

# config.exs
config :ash, :custom_types, timestamptz_usec: AshPostgres.TimestamptzUsec

After saving, you will need to run mix compile ash --force.

attribute :timestamp, :timestamptz_usec
timestamps type: :timestamptz_usec

Please see AshPostgres.Timestamptz for details about the usecase for this type.