From 65b3b59f503675f9ece114a6e4676e8da9885e4d Mon Sep 17 00:00:00 2001
From: Josha Inglis <josha@jci.dev>
Date: Thu, 30 Jan 2025 20:48:51 +1100
Subject: [PATCH 1/2] maintainers: add joshainglis

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 9d1d1f3e2b1991..1e38f564ca3622 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -11356,6 +11356,12 @@
     github = "josephsurin";
     githubId = 14977484;
   };
+  joshainglis = {
+    name = "Josha Inglis";
+    email = "joshainglis@gmail.com";
+    github = "joshainglis";
+    githubId = 1281131;
+  };
   joshniemela = {
     name = "Joshua Niemelä";
     email = "josh@jniemela.dk";

From 398000e62d2c7883c3e1bf0e25d24def3ad1790c Mon Sep 17 00:00:00 2001
From: Josha Inglis <josha@jci.dev>
Date: Thu, 30 Jan 2025 20:49:27 +1100
Subject: [PATCH 2/2] postgresqlPackages.pgddl: init at 0.29

---
 pkgs/servers/sql/postgresql/ext/default.nix |  2 +
 pkgs/servers/sql/postgresql/ext/pgddl.nix   | 52 +++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 pkgs/servers/sql/postgresql/ext/pgddl.nix

diff --git a/pkgs/servers/sql/postgresql/ext/default.nix b/pkgs/servers/sql/postgresql/ext/default.nix
index 7c346fbfd0ded0..12793d40c49de0 100644
--- a/pkgs/servers/sql/postgresql/ext/default.nix
+++ b/pkgs/servers/sql/postgresql/ext/default.nix
@@ -116,6 +116,8 @@ in {
     tsja = super.callPackage ./tsja.nix { };
 
     wal2json = super.callPackage ./wal2json.nix { };
+
+    pgddl = super.callPackage ./pgddl.nix {};
 } // lib.optionalAttrs config.allowAliases {
   pg_embedding = throw "PostgreSQL extension `pg_embedding` has been removed since the project has been abandoned. Upstream's recommendation is to use pgvector instead (https://neon.tech/docs/extensions/pg_embedding#migrate-from-pg_embedding-to-pgvector)";
 }
diff --git a/pkgs/servers/sql/postgresql/ext/pgddl.nix b/pkgs/servers/sql/postgresql/ext/pgddl.nix
new file mode 100644
index 00000000000000..61ef2095ccdcb4
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/ext/pgddl.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  fetchFromGitHub,
+  postgresql,
+  buildPostgresqlExtension,
+  postgresqlTestExtension,
+  perl,
+}:
+buildPostgresqlExtension (finalAttrs: {
+  pname = "pgddl";
+  version = "0.29";
+
+  src = fetchFromGitHub {
+    owner = "lacanoid";
+    repo = "pgddl";
+    tag = finalAttrs.version;
+    hash = "sha256-W3G6TGtkj+zXXdGZZR0bmZhsLuFJvuGTlDoo8kL8sf0=";
+  };
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    postgresql
+    perl
+  ];
+
+  preBuild = ''
+    patchShebangs --build ./bin/ ./docs
+  '';
+
+  passthru.tests.extension = postgresqlTestExtension {
+    inherit (finalAttrs) finalPackage;
+    sql = ''
+      CREATE EXTENSION ddlx;
+
+      CREATE TABLE a(i int PRIMARY KEY, j int);
+
+      SELECT ddlx_create('a'::regclass);
+      SELECT ddlx_drop('a'::regclass);
+      SELECT ddlx_script('a'::regclass);
+    '';
+  };
+
+  meta = {
+    description = "DDL eXtractor functions for PostgreSQL";
+    homepage = "https://github.com/lacanoid/pgddl";
+    changelog = "https://github.com/lacanoid/pgddl/releases/tag/${finalAttrs.version}";
+    platforms = postgresql.meta.platforms;
+    maintainers = [ lib.maintainers.joshainglis ];
+    license = lib.licenses.postgresql;
+  };
+})