Some of the most common operators used in filter() method SQLAlchemy
equals:
query.filter(User.name == 'leela')
not equals:
query.filter(User.name != 'leela')
LIKE:
query.filter(User.name.like('%leela%'))
IN:
query.filter(User.name.in_(['leela', 'akshay', 'santanu']))
# works with query objects too:
query.filter(User.name.in_(session.query(User.name).filter(User.name.like('%santanu%'))))
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