{ "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 } ] } }