test: Add case for #2538

Author: kyleconroy

internal/endtoend/testdata/join_order_by/issue.md

@@ -0,0 +1 @@
+https://github.com/sqlc-dev/sqlc/issues/2538

internal/endtoend/testdata/join_order_by/postgresql/pgx/exec.json

@@ -0,0 +1,3 @@
+{
+  "contexts": ["managed-db"]
+}

internal/endtoend/testdata/join_order_by/postgresql/pgx/go/db.go

@@ -0,0 +1,4 @@
+-- name: GetAuthor :one
+SELECT a.name
+FROM authors a JOIN authors b ON a.id = b.id
+ORDER BY name;

internal/endtoend/testdata/join_order_by/postgresql/pgx/go/models.go

@@ -0,0 +1,5 @@
+CREATE TABLE authors (
+  id   BIGSERIAL PRIMARY KEY,
+  name text      NOT NULL,
+  bio  text
+);

internal/endtoend/testdata/join_order_by/postgresql/pgx/go/query.sql.go

@@ -0,0 +1,10 @@
+version: "2"
+sql:
+  - engine: "postgresql"
+    schema: "schema.sql"
+    queries: "query.sql"
+    gen:
+      go:
+        package: "querytest"
+        out: "go"
+        sql_package: "pgx/v5"