order_by query parameter will be a single key with values separated by commas

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [31.0.2] - 2025-08-28
+- Winter openapi order_by query parameter will be a single key with values separated by commas
+- 
 ## [31.0.1] - 2025-08-28
 - Winter openapi now supports enum for order_by query parameter
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "winter"
-version = "31.0.1"
+version = "31.0.2"
 homepage = "https://github.com/WinterFramework/winter"
 description = "Web Framework with focus on python typing, dataclasses and modular design"
 authors = ["Alexander Egorov <mofr@zond.org>"]

tests/winter_openapi/test_page_position_argument_spec.py

@@ -76,6 +76,8 @@ def method(self, arg1: PagePosition):  # pragma: no cover
         "in": "query",
         "name": "order_by",
         "required": False,
+        "style": "form",
+        "explode": False,
         "schema": {
             "items": {
                 "type": "string",

winter_openapi/inspectors/page_position_argument_inspector.py

@@ -60,6 +60,8 @@ def inspect_parameters(self, route: 'Route', schema_registry: 'SchemaRegistry')
                 description=f'Comma separated order by fields.',
                 required=False,
                 param_in="query",
+                style="form",
+                explode=False,
                 param_schema=Schema(
                     type=DataTypes.ARRAY,
                     default=default_sort,