{ stdenv, fetchFromGitHub, postgresql }: stdenv.mkDerivation rec { pname = "pg_hll"; version = "2.15"; buildInputs = [ postgresql ]; src = fetchFromGitHub { owner = "citusdata"; repo = "postgresql-hll"; rev = "refs/tags/v${version}"; sha256 = "19d50cvp3byjyr2dc5rjmyrlp97bb19mz0ykr3w4iyc6qi5d5qj2"; }; installPhase = '' mkdir -p $out/{lib,share/postgresql/extension} cp *.so $out/lib cp *.sql $out/share/postgresql/extension cp *.control $out/share/postgresql/extension ''; meta = with stdenv.lib; { description = "HyperLogLog for PostgreSQL"; homepage = "https://www.citusdata.com/"; maintainers = with maintainers; [ thoughtpolice ]; platforms = postgresql.meta.platforms; license = licenses.asl20; }; }