hsetnx #
Sets a field and its value in a hash, only if the field does not already exist.
Arguments #
hsetnx(key, [options]);
Arguments | Type | Description |
---|---|---|
key | string | Key |
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 #
Usage #
try {
// Prints: true
console.log(await kuzzle.ms.hsetnx('hashfoo', 'foo', 'bar'));
// Prints: false
console.log(await kuzzle.ms.hsetnx('hashfoo', 'foo', 'qux'));
// Prints: bar
console.log(await kuzzle.ms.hget('hashfoo', 'foo'));
} catch (error) {
console.error(error.message);
}
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