getrange #
Returns a substring of a key's value (index starts at position 0
).
getrange(key, start, end, [options], callback) #
Arguments | Type | Description |
---|---|---|
key | string | Key identifier |
start | int | Starting index |
end | int | Ending index |
options | JSON Object | Optional parameters |
callback | function | Callback |
Options #
Option | Type | Description | Default |
---|---|---|---|
queuable | boolean | Make this request queuable or not | true |
Callback Response #
Returns a substring of the key's value.
Usage #
// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.getrange('key', 2, 4, function (err, value) {
// callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.getrangePromise('key', 2, 4)
.then(value => {
// resolved once the action has completed
});
Callback response:
"lue"
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