zincrby #
Increments the score of a member
in a sorted set by the provided value
.
zincrby(key, member, increment, [options], [callback]) #
Arguments | Type | Description |
---|---|---|
key | string | Key identifier |
member | string | Member element to increment |
increment | double | Increment value |
options | JSON Object | Optional parameters |
callback | function | Callback |
Options #
Option | Type | Description | Default |
---|---|---|---|
queuable | boolean | Make this request queuable or not | true |
Return Value #
Returns the MemoryStorage
object to allow chaining.
Callback Response #
Returns a double containing the updated member's score in the sorted set.
Usage #
// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.zincrby('key', 'foo', 3.14159, function (err, value) {
// callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.zincrbyPromise('key', 'foo', 3.14159)
.then(value => {
// resolved once the action has completed
});
Callback response:
4.14159
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