setnx #
Sets a value on a key, only if it does not already exist.
Query Syntax #
HTTP #
URL: http://kuzzle:7512/ms/_setnx/<_id>
Method: POST
Body:
{
"value": "<value>"
}
Other protocols #
{
"controller": "ms",
"action": "setnx",
"_id": "<key>",
"body": {
"value": "<value>"
}
}
Argument #
_id
: key identifier
Body properties #
value
: new key value
Response #
Returns either 0
(command failed), or 1
(command succeeded).
{
"requestId": "<unique request identifier>",
"status": 200,
"error": null,
"controller": "ms",
"action": "setnx",
"collection": null,
"index": null,
"result": 1
}
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