1 files changed, 31 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_hll.nix b/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_hll.nix
new file mode 100644
index 000000000000..bccec1107b9a
--- /dev/null
+++ b/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_hll.nix
@@ -0,0 +1,31 @@
+{ stdenv, fetchFromGitHub, postgresql }:
+
+stdenv.mkDerivation rec {
+  name = "pg_hll-${version}";
+  version = "2.12";
+
+  buildInputs = [ postgresql ];
+
+  src = fetchFromGitHub {
+    owner  = "citusdata";
+    repo   = "postgresql-hll";
+    rev    = "refs/tags/v${version}";
+    sha256 = "1jdc9gjqc3dkjxv855q1p594j0awhrrymrcqnl5vw5vx2ny3bpgn";
+  };
+
+  installPhase = ''
+    mkdir -p $out/{lib,share/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;
+  };
+}