Class Transaction

View code The transaction object is used to identify a running transaction. It is created by calling Sequelize.transaction().

To run a query under a transaction, you should pass the transaction in the options object.

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ISOLATION_LEVELS

View code The possible isolations levels to use when starting a transaction

{
  READ_UNCOMMITTED: "READ UNCOMMITTED",
  READ_COMMITTED: "READ COMMITTED",
  REPEATABLE_READ: "REPEATABLE READ",
  SERIALIZABLE: "SERIALIZABLE"
}

---

LOCK

View code Possible options for row locking. Used in conjuction with find calls:

t1 // is a transaction
Model.findAll({
  where: ...
}, {
  transaction: t1,
  lock: t1.LOCK.UPDATE,
  lock: t1.LOCK.SHARE
})

---

commit() -> this

View code Commit the transaction

---

rollback() -> this

View code Rollback (abort) the transaction

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