test: on pg 12, 13, 14, 15, 16

.github/workflows/ci.yaml

@@ -1,19 +1,21 @@
 name: CI
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   test:
 
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        pg-version: ['15']
+        pg-version: ['12', '13', '14', '15', '16']
 
     steps:
-    - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v18
-      with:
-        nix_path: nixpkgs=channel:nixos-unstable
-    - name: Run tests pg_${{ matrix.postgres-version }}
-      run: nix-shell --run "with-pg-${{ matrix.pg-version }} make installcheck"
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v18
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - name: Run tests
+        run: nix-shell --run "with-pg-${{ matrix.pg-version }} make installcheck"
+      - if: ${{ failure() }}
+        run: cat output/regression.diffs

shell.nix

@@ -1,13 +1,19 @@
 with import (builtins.fetchTarball {
-  name = "2022-10-14";
-  url = "https://github.com/NixOS/nixpkgs/archive/cc090d2b942f76fad83faf6e9c5ed44b73ba7114.tar.gz";
-  sha256 = "0a1wwpbn2f38pcays6acq1gz19vw4jadl8yd3i3cd961f1x2vdq2";
+  name = "2023-09-16";
+  url = "https://github.com/NixOS/nixpkgs/archive/ae5b96f3ab6aabb60809ab78c2c99f8dd51ee678.tar.gz";
+  sha256 = "11fpdcj5xrmmngq0z8gsc3axambqzvyqkfk23jn3qkx9a5x56xxk";
 }) {};
 mkShell {
   buildInputs =
     let
       extensionName = "plmustache";
-      supportedPgVersions = [ postgresql_15 ];
+      supportedPgVersions = [
+        postgresql_16
+        postgresql_15
+        postgresql_14
+        postgresql_13
+        postgresql_12
+      ];
       mustach    = callPackage ./nix/mustach.nix {};
       pgWExtension = { postgresql }: postgresql.withPackages (p: [ (callPackage ./nix/pgExtension.nix { inherit postgresql extensionName mustach; }) ]);
       extAll = map (x: callPackage ./nix/pgScript.nix { postgresql = pgWExtension { postgresql = x;}; }) supportedPgVersions;

src/plmustache.c

@@ -9,11 +9,10 @@
 #include <funcapi.h>
 #include <catalog/pg_proc.h>
 #include <catalog/pg_type.h>
+#include <access/htup_details.h>
 
 #include <mustach/mustach.h>
 
-#include <errno.h>
-
 PG_MODULE_MAGIC;
 
 #define IMPLICIT_ITERATOR "."