如何在现有的peewee查询中添加新的“ .where（）”？

Question

I'm trying to add a new .where to an existing peewee query and I can't. Using a debugger I see that SQL is not changed after I create the query.

My code:

 query = Model.select() \\ .where(Model.year << args.years) if args.models: query.where(Model.title << args.models) if args.company: query.where(Model.company << args.company) else: query.where(Model.company.is_null(True)) if args.make: query.where(Model.make << args.make) 

Answer 1

Peewee doesn't mutate in place, so you simply need to capture the return value of subsequent calls:

if args.models:
  query = query.where(Model.title << args.models)  # Note the query =