{ stdenv
, fetchFromGitHub
, lib
, postgresql
, buildPostgresqlExtension
}:

buildPostgresqlExtension rec {
  pname = "pg_rational";
  version = "0.0.2";

  src = fetchFromGitHub {
    owner  = "begriffs";
    repo   = "pg_rational";
    rev    = "v${version}";
    sha256 = "sha256-Sp5wuX2nP3KGyWw7MFa11rI1CPIKIWBt8nvBSsASIEw=";
  };

  meta = with lib; {
    description = "Precise fractional arithmetic for PostgreSQL";
    homepage    = "https://github.com/begriffs/pg_rational";
    maintainers = with maintainers; [ netcrns ];
    platforms   = postgresql.meta.platforms;
    license     = licenses.mit;
  };
}