1 files changed, 29 insertions, 0 deletions
diff --git a/pkgs/servers/sql/postgresql/ext/pg_relusage.nix b/pkgs/servers/sql/postgresql/ext/pg_relusage.nix
new file mode 100644
index 0000000000000..043adf7250339
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/ext/pg_relusage.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "pg_relusage";
+  version = "0.0.1";
+
+  buildInputs = [ postgresql ];
+
+  src = fetchFromGitHub {
+    owner  = "adept";
+    repo   = pname;
+    rev    = "refs/tags/${version}";
+    sha256 = "8hJNjQ9MaBk3J9a73l+yQMwMW/F2N8vr5PO2o+5GvYs=";
+  };
+
+  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 = "pg_relusage extension for PostgreSQL: discover and log the relations used in your statements";
+    homepage    = "https://github.com/adept/pg_relusage";
+    maintainers = with maintainers; [ thenonameguy ];
+    platforms   = postgresql.meta.platforms;
+    license     = licenses.postgresql;
+  };
+}