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Cheatsheet for Django QuerySets

Current Django Version: 2.2

Methods that return new QuerySets

Can be chained:


Methods that do not return QuerySets

Field lookups

Field lookups are how you specify the meat of an SQL WHERE clause. They’re specified as keyword arguments to the QuerySet methods filter(), exclude() and get().

Example: Entry.objects.get(id__exact=14)  # note double underscore.

Protip: Use in to avoid chaining filter() and exclude()

Entry.objects.filter(status__in=['Hung over', 'Sober', 'Drunk'])

Aggregation functions

Query-related classes

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