DynamoDB Boto 3 Docs 1.9.42 documentation

response = client.update_item( TableName='string', Key={ 'string': { 'S': 'string', 'N': 'string', 'B': b'bytes', 'SS': [ 'string', ], 'NS': [ 'string', ], 'BS': [ b'bytes', ], 'M': { 'string': {'... recursive ...'} }, 'L': [ {'... recursive ...'}, ], 'NULL': True|False, 'BOOL': True|False } }, AttributeUpdates={ 'string': { 'Value': { 'S': 'string', 'N': 'string', 'B': b'bytes', 'SS': [ 'string', ], 'NS': [ 'string', ], 'BS': [ b'bytes', ], 'M': { 'string': {'... recursive ...'} }, 'L': [ {'... recursive ...'}, ], 'NULL': True|False, 'BOOL': True|False }, 'Action': 'ADD'|'PUT'|'DELETE' } }, Expected={ 'string': { 'Value': { 'S': 'string', 'N': 'string', 'B': b'bytes', 'SS': [ 'string', ], 'NS': [ 'string', ], 'BS': [ b'bytes', ], 'M': { 'string': {'... recursive ...'} }, 'L': [ {'... recursive ...'}, ], 'NULL': True|False, 'BOOL': True|False }, 'Exists': True|False, 'ComparisonOperator': 'EQ'|'NE'|'IN'|'LE'|'LT'|'GE'|'GT'|'BETWEEN'|'NOT_NULL'|'NULL'|'CONTAINS'|'NOT_CONTAINS'|'BEGINS_WITH', 'AttributeValueList': [ { 'S': 'string', 'N': 'string', 'B': b'bytes', 'SS': [ 'string', ], 'NS': [ 'string', ], 'BS': [ b'bytes', ], 'M': { 'string': {'... recursive ...'} }, 'L': [ {'... recursive ...'}, ], 'NULL': True|False, 'BOOL': True|False }, ] } }, ConditionalOperator='AND'|'OR', ReturnValues='NONE'|'ALL_OLD'|'UPDATED_OLD'|'ALL_NEW'|'UPDATED_NEW', ReturnConsumedCapacity='INDEXES'|'TOTAL'|'NONE', ReturnItemCollectionMetrics='SIZE'|'NONE', UpdateExpression='string', ConditionExpression='string', ExpressionAttributeNames={ 'string': 'string' }, ExpressionAttributeValues={ 'string': { 'S': 'string', 'N': 'string', 'B': b'bytes', 'SS': [ 'string', ], 'NS': [ 'string', ], 'BS': [ b'bytes', ], 'M': { 'string': {'... recursive ...'} }, 'L': [ {'... recursive ...'}, ], 'NULL': True|False, 'BOOL': True|False } } ) 

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