SDK PHP v3.x

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pfmerge #

Merges multiple HyperLogLog data structures into an unique HyperLogLog structure stored at key, approximating the cardinality of the union of the source structures.

[Redis documentation]

pfmerge(key, sources, [options], callback) #

Arguments Type Description
key string Destination key identifier
sources string List of HyperLogLog source key identifiers
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 null if successful.

Usage #

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use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
  $kuzzle->memoryStorage()->pfmerge('key', ['key1', 'key2', '...']);
catch (ErrorException $e) {