fix(get): propagate next page size param #9029

kong/api/endpoints.lua

@@ -303,12 +303,17 @@ end
 local function get_collection_endpoint(schema, foreign_schema, foreign_field_name, method)
   return not foreign_schema and function(self, db, helpers)
     local next_page_tags = ""
+    local next_page_size = ""
 
     local args = self.args.uri
     if args.tags then
       next_page_tags = "&tags=" .. escape_uri(type(args.tags) == "table" and args.tags[1] or args.tags)
     end
 
+    if (type(args.size) == "number") then
+      next_page_size = "&size=" .. args.size
+    end
+
     local data, _, err_t, offset = page_collection(self, db, schema, method)
     if err_t then
       return handle_error(err_t)
@@ -318,7 +323,8 @@ local function get_collection_endpoint(schema, foreign_schema, foreign_field_nam
                                      schema.admin_api_name or
                                      schema.name,
                                      escape_uri(offset),
-                                     next_page_tags) or null
+                                     next_page_tags,
+                                     next_page_size) or null
 
     return ok {
       data   = data,