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ejdoh1/copy_one_dynamodb_table_to_another.py

Created December 18, 2019 12:05
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Copy one AWS DynamoDB table to another
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copy_one_dynamodb_table_to_another.py
import boto3
ddb = boto3.Session(region_name='REPLACE_ME',profile_name='REPLACE_ME').resource('dynamodb')
tbl_from = ddb.Table('REPLACE_ME')
tbl_to = ddb.Table('REPLACE_ME')
r = tbl_from.scan()
d = r['Items']
while 'LastEvaluatedKey' in r:
r = tbl_from.scan(ExclusiveStartKey=r['LastEvaluatedKey'])
d = d + r['Items']
with tbl_to.batch_writer() as b:
for i in d:
b.put_item(Item=i)
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