getset

Sets a new value for a key, and returns its previously stored value.

[Redis documentation]

Arguments

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getset(key, value, [options]);

Arguments Type Description
key
string
Key
value
*
New key value.
options
object
Optional query arguments

options

The options arguments can contain the following option properties:

Property Type (default) Description
queuable
boolean (true)
If true, queues the request during downtime, until connected to Kuzzle again

Resolve

Resolves to the previously set value, or null if the key didn't exist prior to this operation.

Usage

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try {
  await kuzzle.ms.set('foo', 'bar');

  // Prints: 'bar'
  console.log(await kuzzle.ms.getset('foo', 'qux'));

  // Prints: 'qux'
  console.log(await kuzzle.ms.get('foo'));
} catch (error) {
  console.error(error.message);
}