hscan #
Identical to scan, except that hscan
iterates over the fields contained in a hash.
hscan(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 field names matching the provided pattern | * |
queuable | boolean | Make this request queuable or not | true |
Callback Response #
Returns an object 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 field names and values
Usage #
kuzzle.memoryStorage.hscan("key", 0, new ResponseListener<JSONObject>() {
@Override
public void onSuccess(JSONObject page) {
}
@Override
public void onError(JSONObject error) {
}
});
Callback response:
{
"cursor": 18,
"values": ["field1", "field1 value", "field2", "field2 value"]
}
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