Add TimescaleDB Toolkit extension support for PostgreSQL 17

- Added timescaledb-toolkit.nix to build from prebuilt Ubuntu package
- Included extension in PostgreSQL 17 builds
- Added pgTAP test for extension loading
- Excluded from OrioleDB builds to maintain compatibility

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: chatch

flake.nix

@@ -131,6 +131,7 @@
           ./nix/ext/rum.nix
           ./nix/ext/timescaledb.nix
           ./nix/ext/timescaledb-2.9.1.nix
+          ./nix/ext/timescaledb-toolkit.nix
           ./nix/ext/pgroonga.nix
           ./nix/ext/index_advisor.nix
           ./nix/ext/wal2json.nix
@@ -169,6 +170,7 @@
             x:
             x != ./nix/ext/timescaledb.nix &&
             x != ./nix/ext/timescaledb-2.9.1.nix &&
+            x != ./nix/ext/timescaledb-toolkit.nix &&
             x != ./nix/ext/plv8.nix
         ) ourExtensions;
 

migrations/tests/extensions/timescaledb_toolkit.sql

@@ -0,0 +1,3 @@
+BEGIN;
+create extension if not exists timescaledb_toolkit with schema "extensions";
+ROLLBACK;

nix/ext/timescaledb-toolkit.nix

@@ -0,0 +1,65 @@
+{ lib, stdenv, fetchurl, postgresql, dpkg, patchelf, glibc }:
+
+stdenv.mkDerivation rec {
+  pname = "timescaledb-toolkit";
+  version = "1.21.0";
+
+  # Use the official TimescaleDB toolkit package for PostgreSQL 17
+  src = fetchurl {
+    url = "https://packagecloud.io/timescale/timescaledb/packages/ubuntu/jammy/timescaledb-toolkit-postgresql-17_${version}~ubuntu22.04_amd64.deb/download";
+    sha256 = "12l8pngxa6vw7vkgngyyyx5gk151iay6js2smi8wkrwwscx80hjd";
+  };
+
+  nativeBuildInputs = [ dpkg patchelf ];
+  buildInputs = [ postgresql glibc ];
+
+  unpackPhase = ''
+    runHook preUnpack
+    dpkg-deb -x $src .
+    runHook postUnpack
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    
+    # Create output directories
+    mkdir -p $out/lib
+    mkdir -p $out/share/postgresql/extension
+    
+    # Copy the shared library
+    if [ -f usr/lib/postgresql/17/lib/timescaledb_toolkit-*.so ]; then
+      cp usr/lib/postgresql/17/lib/timescaledb_toolkit-*.so $out/lib/
+    fi
+    
+    # Copy extension files
+    if [ -d usr/share/postgresql/17/extension ]; then
+      cp -r usr/share/postgresql/17/extension/* $out/share/postgresql/extension/
+    fi
+    
+    runHook postInstall
+  '';
+
+  postFixup = ''
+    # Fix the RPATH for the shared library
+    for lib in $out/lib/*.so; do
+      if [ -f "$lib" ]; then
+        patchelf --set-rpath "${lib.makeLibraryPath [ postgresql glibc ]}" "$lib" || true
+      fi
+    done
+  '' + lib.optionalString (!stdenv.isDarwin) ''
+    # Additional fixup for Linux
+    for lib in $out/lib/*.so; do
+      if [ -f "$lib" ]; then
+        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$lib" 2>/dev/null || true
+      fi
+    done
+  '';
+
+  meta = with lib; {
+    description = "Extension for more hyperfunctions, fully compatible with TimescaleDB and PostgreSQL";
+    homepage = "https://github.com/timescale/timescaledb-toolkit";
+    license = licenses.asl20;
+    platforms = postgresql.meta.platforms;
+    maintainers = with maintainers; [ ];
+  };
+}