src/commands/pfmerge.json


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{
    "PFMERGE": {
        "summary": "Merge N different HyperLogLogs into a single one.",
        "complexity": "O(N) to merge N HyperLogLogs, but with high constant times.",
        "group": "hyperloglog",
        "since": "2.8.9",
        "arity": -2,
        "function": "pfmergeCommand",
        "command_flags": [
            "WRITE",
            "DENYOOM"
        ],
        "acl_categories": [
            "HYPERLOGLOG"
        ],
        "key_specs": [
            {
                "flags": [
                    "RW",
                    "ACCESS",
                    "INSERT"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": 0,
                        "step": 1,
                        "limit": 0
                    }
                }
            },
            {
                "flags": [
                    "RO",
                    "ACCESS"
                ],
                "begin_search": {
                    "index": {
                        "pos": 2
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": -1,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "arguments": [
            {
                "name": "destkey",
                "type": "key",
                "key_spec_index": 0
            },
            {
                "name": "sourcekey",
                "type": "key",
                "key_spec_index": 1,
                "multiple": true
            }
        ]
    }
}