1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_embedding.nix b/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_embedding.nix
new file mode 100644
index 000000000000..e858d6f0c5d0
--- /dev/null
+++ b/nixpkgs/pkgs/servers/sql/postgresql/ext/pg_embedding.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "pg_embedding";
+  version = "0.3.6";
+
+  src = fetchFromGitHub {
+    owner = "neondatabase";
+    repo = pname;
+    rev = version;
+    hash = "sha256-NTBxsQB8mR7e/CWwkCEyDiYhi3Nxl/aKgRBwqc0THcI=";
+  };
+
+  buildInputs = [ postgresql ];
+
+  installPhase = ''
+    install -D -t $out/lib *.so
+    install -D -t $out/share/postgresql/extension *.sql
+    install -D -t $out/share/postgresql/extension *.control
+  '';
+
+  meta = with lib; {
+    description = "PostgreSQL extension implementing the HNSW algorithm for vector similarity search";
+    homepage = "https://github.com/neondatabase/pg_embedding";
+    maintainers = with maintainers; [ ivan ];
+    platforms = postgresql.meta.platforms;
+    license = licenses.asl20;
+  };
+}