Update

async_boto.validation.dynamodb.data_types.update

Bases: BaseModel

Represents a request to perform an UpdateItem operation.

ATTRIBUTE	DESCRIPTION
`Key`	The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute. TYPE: `AttributeValueDict`
`TableName`	Name of the table for the UpdateItem request. You can also provide the Amazon Resource Name (ARN) of the table in this parameter. TYPE: `constr(min_length=1, max_length=1024)`
`UpdateExpression`	An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them. TYPE: `str`
`ConditionExpression`	A condition that must be satisfied in order for a conditional update to succeed. TYPE: `Optional[str]`
`ExpressionAttributeNames`	One or more substitution tokens for attribute names in an expression. TYPE: `Optional[Dict[str, str]]`
`ExpressionAttributeValues`	One or more values that can be substituted in an expression. TYPE: `Optional[AttributeValueDict]`
`ReturnValuesOnConditionCheckFailure`	Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. TYPE: `Optional[Literal['ALL_OLD', 'NONE']]`

Key

TableName

UpdateExpression

ConditionExpression = None

ExpressionAttributeNames = None

ExpressionAttributeValues = None

ReturnValuesOnConditionCheckFailure = None