Error returned when a Postgres type has no Elixir mapping.
Composite types (create type ... as (...)) and some built-ins such as point are intentionally unsupported; hint carries actionable guidance when available (see the Types guide).
create type ... as (...)
point
hint
@type t() :: %Squirrelix.Error.UnsupportedPostgresType{ hint: String.t() | nil, name: String.t() }