getrange

Returns a substring of a key's value (index starts at position 0).

[Redis documentation]


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

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// 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:

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"lue"