{ "SORT_RO": { "summary": "Sort the elements in a list, set or sorted set. Read-only variant of SORT.", "complexity": "O(N+M*log(M)) where N is the number of elements in the list or set to sort, and M the number of returned elements. When the elements are not sorted, complexity is O(N).", "group": "generic", "since": "7.0.0", "arity": -2, "function": "sortroCommand", "get_keys_function": "sortROGetKeys", "command_flags": [ "READONLY" ], "acl_categories": [ "SET", "SORTEDSET", "LIST", "DANGEROUS" ], "key_specs": [ { "flags": [ "RO", "ACCESS" ], "begin_search": { "index": { "pos": 1 } }, "find_keys": { "range": { "lastkey": 0, "step": 1, "limit": 0 } } }, { "notes": "For the optional BY/GET keyword. It is marked 'unknown' because the key names derive from the content of the key we sort", "flags": [ "RO", "ACCESS" ], "begin_search": { "unknown": null }, "find_keys": { "unknown": null } } ], "arguments": [ { "name": "key", "type": "key", "key_spec_index": 0 }, { "token": "BY", "name": "pattern", "type": "pattern", "key_spec_index": 1, "optional": true }, { "token": "LIMIT", "name": "offset_count", "type": "block", "optional": true, "arguments": [ { "name": "offset", "type": "integer" }, { "name": "count", "type": "integer" } ] }, { "token": "GET", "name": "pattern", "key_spec_index": 1, "type": "pattern", "optional": true, "multiple": true, "multiple_token": true }, { "name": "order", "type": "oneof", "optional": true, "arguments": [ { "name": "asc", "type": "pure-token", "token": "ASC" }, { "name": "desc", "type": "pure-token", "token": "DESC" } ] }, { "name": "sorting", "token": "ALPHA", "type": "pure-token", "optional": true } ] } }