SDK
SDK Javascript v5.x
1

# pfadd

Adds elements to an HyperLogLog data structure.

[Redis documentation]


# pfadd(key, elements, [options], [callback])

Arguments Type Description
key string Key identifier
elements array Elements to add to the HyperLogLog structure
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 boolean specifying if the operation was successful or not.

# Usage

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.pfadd('key', ['foo', 'bar', 'baz'], function (err, status) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.pfaddPromise('key', ['foo', 'bar', 'baz'])
  .then(status => {
    // resolved once the action has completed
  });

Callback response:

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true