Django query filter combining AND and OR with Q objects don't return the expected results

Question

I try to combine AND and OR in a filter using Q objects. It looks like that the | behave like an AND. This is related to the previous annotate which is run in the same query and

Answer 1

Try adding parentheses to explicitly specify your grouping? As you already figured out, multiple params to filter() are just joined via AND in the underlying SQL.

Originally you had this for the filter:

[...].filter(
    Q(hide=False) & Q(deleted=False),
    Q(stock=False) | Q(quantity__gte=1))

If you wanted (A & B) & (C | D) then this should work:

[...].filter(
    Q(hide=False) & Q(deleted=False) &
    (Q(stock=False) | Q(quantity__gte=1)))