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Transactions are coming to MongoDB 4.0

 6 years ago
source link: https://www.tuicool.com/articles/hit/IjiyEj
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Transactions are here…

MongoDB 4.0 (available today as a Release Candidate) adds support for multi-document transactions, making it the only database to combine the speed, flexibility, and power of the document model with ACID guarantees. Through snapshot isolation, transactions provide a consistent view of data, and enforce all-or-nothing execution to maintain data integrity. MongoDB 4.0 will be Generally Available in Summer 2018. 1 

with client.start_session() as s:
    s.start_transaction()
    try:
        collection.insert_one(doc1, session=s)
        collection.insert_one(doc2, session=s)
        s.commit_transaction()
    except Exception:
        s.abort_transaction()

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