Answers for "sql alchemy query table and include relationship"

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sql alchemy query table and include relationship

# joined-load the "orders" collection on "User"
query(User).options(joinedload(User.orders))

# joined-load Order.items and then Item.keywords
query(Order).options(
    joinedload(Order.items).joinedload(Item.keywords))

# lazily load Order.items, but when Items are loaded,
# joined-load the keywords collection
query(Order).options(
    lazyload(Order.items).joinedload(Item.keywords))

Posted by: Guest on November-25-2020

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