Enum serde_dynamo::AttributeValue

source · [−]
pub enum AttributeValue {
    N(String),
    S(String),
    Bool(bool),
    B(Vec<u8>),
    Null(bool),
    M(HashMap<String, AttributeValue>),
    L(Vec<AttributeValue>),
    Ss(Vec<String>),
    Ns(Vec<String>),
    Bs(Vec<Vec<u8>>),
}
Expand description

The value for an attribute that comes from DynamoDb.

Variants

N(String)

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.

S(String)

An attribute of type String. For example:

"S": "Hello"

Bool(bool)

An attribute of type Boolean. For example:

"BOOL": true

B(Vec<u8>)

An attribute of type Binary. For example:

"B": "dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"

Type: Base64-encoded binary data object

Null(bool)

An attribute of type Null. For example:

"NULL": true

M(HashMap<String, AttributeValue>)

An attribute of type Map. For example:

"M": {"Name": {"S": "Joe"}, "Age": {"N": "35"}}

Key Length Constraints: Maximum length of 65535.

L(Vec<AttributeValue>)

An attribute of type List. For example:

"L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N": "3.14159"}]

Ss(Vec<String>)

An attribute of type String Set. For example:

"SS": ["Giraffe", "Hippo" ,"Zebra"]

Ns(Vec<String>)

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.

Bs(Vec<Vec<u8>>)

An attribute of type Binary Set. For example:

"BS": ["U3Vubnk=", "UmFpbnk=", "U25vd3k="]

Type: Array of Base64-encoded binary data objects

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
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This method tests for self and other values to be equal, and is used by ==. Read more
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

Auto Trait Implementations

Blanket Implementations

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