sscan #
Identical to scan, except that sscan
iterates the members held by a set of unique values.
sscan(key, cursor, [options], callback) #
Arguments | Type | Description |
---|---|---|
key | string | Key identifier |
cursor | int | Page number (iteration starts with a cursor value of 0 , and ends when the next cursor position is 0 ) |
options | JSON Object | Optional parameters |
callback | function | Callback |
Options #
Option | Type | Description | Default |
---|---|---|---|
count | int | Return the approximate count number of items per result page | 10 |
match | string | Search only for member values matching the provided pattern | * |
queuable | boolean | Make this request queuable or not | true |
Callback Response #
Returns a JSON array containing 2 entries:
- the cursor position for the next page of results (a next position of
0
indicates the end of the scan) - an array of members
Usage #
// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.sscan('key', 0, function (err, page) {
// callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.sscanPromise('key', 0)
.then(page => {
// resolved once the action has completed
});
Callback response:
{
"cursor": 18,
"values": ["member1", "member2", "..."]
}
Edit this page on Github(opens new window)