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batch_writer
(overwrite_by_pkeys=None)¶Create a batch writer object.
This method creates a context manager for writing objects to Amazon DynamoDB in batch.
The batch writer will automatically handle buffering and sending items
in batches. In addition, the batch writer will also automatically
handle any unprocessed items and resend them as needed. All you need
to do is call put_item
for any items you want to add, and
delete_item
for any items you want to delete.
Example usage:
with table.batch_writer() as batch:
for _ in range(1000000):
batch.put_item(Item={'HashKey': '...',
'Otherstuff': '...'})
# You can also delete_items in a batch.
batch.delete_item(Key={'HashKey': 'SomeHashKey'})
["partition_key1", "sort_key2", "sort_key3"]