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Module batch (1.14.0)
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Version 1.14.0 keyboard_arrow_down
Classes
An abstraction representing a collected group of updates / deletes.
Used to build up a bulk mutation.
For example, the following snippet of code will put the two save
operations and the delete
operation into the same mutation, and send
them to the server in a single API request::
from google.cloud import datastore
client = datastore.Client()
batch = client.batch()
batch.begin()
batch.put(entity1)
batch.put(entity2)
batch.delete(key3)
batch.commit()
You can also use a batch as a context manager, in which case
commit
will be called automatically if its block exits without
raising an exception::
with batch:
... batch.put(entity1)
... batch.put(entity2)
... batch.delete(key3)
By default, no updates will be sent if the block exits with an error::
with batch:
... do_some_work(batch)
... raise Exception() # rolls back
Parameter Name Description client
Client
The client used to connect to datastore.
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Last updated 2024-09-19 UTC.
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{"lastModified": "Last updated 2024-09-19 UTC."}
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