src/commands/zrange.json


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{
    "ZRANGE": {
        "summary": "Returns members in a sorted set within a range of indexes.",
        "complexity": "O(log(N)+M) with N being the number of elements in the sorted set and M the number of elements returned.",
        "group": "sorted_set",
        "since": "1.2.0",
        "arity": -4,
        "function": "zrangeCommand",
        "history": [
            [
                "6.2.0",
                "Added the `REV`, `BYSCORE`, `BYLEX` and `LIMIT` options."
            ]
        ],
        "command_flags": [
            "READONLY"
        ],
        "acl_categories": [
            "SORTEDSET"
        ],
        "key_specs": [
            {
                "flags": [
                    "RO",
                    "ACCESS"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": 0,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "reply_schema": {
            "anyOf": [
                {
                    "description": "A list of member elements",
                    "type": "array",
                    "uniqueItems": true,
                    "items": {
                        "type": "string"
                    }
                },
                {
                    "description": "Members and their scores. Returned in case `WITHSCORES` was used. In RESP2 this is returned as a flat array",
                    "type": "array",
                    "uniqueItems": true,
                    "items": {
                        "type": "array",
                        "minItems": 2,
                        "maxItems": 2,
                        "items": [
                            {
                                "description": "Member",
                                "type": "string"
                            },
                            {
                                "description": "Score",
                                "type": "number"
                            }
                        ]
                    }
                }
            ]
        },
        "arguments": [
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0
            },
            {
                "name": "start",
                "type": "string"
            },
            {
                "name": "stop",
                "type": "string"
            },
            {
                "name": "sortby",
                "type": "oneof",
                "optional": true,
                "since": "6.2.0",
                "arguments": [
                    {
                        "name": "byscore",
                        "type": "pure-token",
                        "token": "BYSCORE"
                    },
                    {
                        "name": "bylex",
                        "type": "pure-token",
                        "token": "BYLEX"
                    }
                ]
            },
            {
                "name": "rev",
                "token": "REV",
                "type": "pure-token",
                "optional": true,
                "since": "6.2.0"
            },
            {
                "token": "LIMIT",
                "name": "limit",
                "type": "block",
                "optional": true,
                "since": "6.2.0",
                "arguments": [
                    {
                        "name": "offset",
                        "type": "integer"
                    },
                    {
                        "name": "count",
                        "type": "integer"
                    }
                ]
            },
            {
                "name": "withscores",
                "token": "WITHSCORES",
                "type": "pure-token",
                "optional": true
            }
        ]
    }
}