Enum aws_sdk_dynamodb::model::AttributeValue [−][src]
#[non_exhaustive]
pub enum AttributeValue {
B(Blob),
Bool(bool),
Bs(Vec<Blob>),
L(Vec<AttributeValue>),
M(HashMap<String, AttributeValue>),
N(String),
Ns(Vec<String>),
Null(bool),
S(String),
Ss(Vec<String>),
Unknown,
}
Expand description
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.
Variants (Non-exhaustive)
This enum is marked as non-exhaustive
B(Blob)
An attribute of type Binary. For example:
"B": "dGhpcyB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"
Tuple Fields of B
0: Blob
Bool(bool)
An attribute of type Boolean. For example:
"BOOL": true
Tuple Fields of Bool
0: bool
An attribute of type Binary Set. For example:
"BS": ["U3Vubnk=", "UmFpbnk=", "U25vd3k="]
L(Vec<AttributeValue>)
An attribute of type List. For example:
"L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N", "3.14159"}]
Tuple Fields of L
0: Vec<AttributeValue>
M(HashMap<String, AttributeValue>)
An attribute of type Map. For example:
"M": {"Name": {"S": "Joe"}, "Age": {"N": "35"}}
Tuple Fields of M
0: HashMap<String, AttributeValue>
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.
Tuple Fields of N
0: 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.
Null(bool)
An attribute of type Null. For example:
"NULL": true
Tuple Fields of Null
0: bool
S(String)
An attribute of type String. For example:
"S": "Hello"
Tuple Fields of S
0: String
An attribute of type String Set. For example:
"SS": ["Giraffe", "Hippo" ,"Zebra"]
The Unknown
variant represents cases where new union variant was received. Consider upgrading the SDK to the latest available version.
An unknown enum variant
Note: If you encounter this error, consider upgrading your SDK to the latest version.
The Unknown
variant represents cases where the server sent a value that wasn’t recognized
by the client. This can happen when the server adds new functionality, but the client has not been updated.
To investigate this, consider turning on debug logging to print the raw HTTP response.
This variant is marked as non-exhaustive
Implementations
Returns true if the enum instance is the Unknown
variant.
Trait Implementations
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
Auto Trait Implementations
impl RefUnwindSafe for AttributeValue
impl Send for AttributeValue
impl Sync for AttributeValue
impl Unpin for AttributeValue
impl UnwindSafe for AttributeValue
Blanket Implementations
Mutably borrows from an owned value. Read more
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more