src/commands/pfadd.json


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{
    "PFADD": {
        "summary": "Adds elements to a HyperLogLog key. Creates the key if it doesn't exist.",
        "complexity": "O(1) to add every element.",
        "group": "hyperloglog",
        "since": "2.8.9",
        "arity": -2,
        "function": "pfaddCommand",
        "command_flags": [
            "WRITE",
            "DENYOOM",
            "FAST"
        ],
        "acl_categories": [
            "HYPERLOGLOG"
        ],
        "key_specs": [
            {
                "flags": [
                    "RW",
                    "INSERT"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": 0,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "arguments": [
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0
            },
            {
                "name": "element",
                "type": "string",
                "optional": true,
                "multiple": true
            }
        ],
        "reply_schema": {
            "oneOf": [
                {
                    "description": "if at least 1 HyperLogLog internal register was altered",
                    "const": 1
                },
                {
                    "description": "if no HyperLogLog internal register were altered",
                    "const": 0
                }
            ]
        }
    }
}