AttributeValue
Represents the data for an attribute.
Each attribute value is described as a name-value pair. The name is the data type, and the value is the data itself.
For more information, see Data Types in the Amazon DynamoDB Developer Guide.
Contents
Note
In the following list, the required parameters are described first.
- B
-
An attribute of type Binary. For example:
"B": "dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"
Type: Base64-encoded binary data object
Required: No
- BOOL
-
An attribute of type Boolean. For example:
"BOOL": true
Type: Boolean
Required: No
- BS
-
An attribute of type Binary Set. For example:
"BS": ["U3Vubnk=", "UmFpbnk=", "U25vd3k="]
Type: Array of Base64-encoded binary data objects
Required: No
- L
-
An attribute of type List. For example:
"L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N": "3.14159"}]
Type: Array of AttributeValue objects
Required: No
- M
-
An attribute of type Map. For example:
"M": {"Name": {"S": "Joe"}, "Age": {"N": "35"}}
Type: String to AttributeValue object map
Key Length Constraints: Maximum length of 65535.
Required: No
- N
-
An attribute of type Number. For example:
"N": "123.45"
Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
Type: String
Required: No
- NS
-
An attribute of type Number Set. For example:
"NS": ["42.2", "-19", "7.5", "3.14"]
Numbers are sent across the network to DynamoDB as strings, to maximize compatibility across languages and libraries. However, DynamoDB treats them as number type attributes for mathematical operations.
Type: Array of strings
Required: No
- NULL
-
An attribute of type Null. For example:
"NULL": true
Type: Boolean
Required: No
- S
-
An attribute of type String. For example:
"S": "Hello"
Type: String
Required: No
- SS
-
An attribute of type String Set. For example:
"SS": ["Giraffe", "Hippo" ,"Zebra"]
Type: Array of strings
Required: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: