{ "ZPOPMAX": { "summary": "Returns the highest-scoring members from a sorted set after removing them. Deletes the sorted set if the last member was popped.", "complexity": "O(log(N)*M) with N being the number of elements in the sorted set, and M being the number of elements popped.", "group": "sorted_set", "since": "5.0.0", "arity": -2, "function": "zpopmaxCommand", "command_flags": [ "WRITE", "FAST" ], "acl_categories": [ "SORTEDSET" ], "key_specs": [ { "flags": [ "RW", "ACCESS", "DELETE" ], "begin_search": { "index": { "pos": 1 } }, "find_keys": { "range": { "lastkey": 0, "step": 1, "limit": 0 } } } ], "reply_schema": { "anyOf": [ { "type": "array", "description": "List of popped elements and scores when 'COUNT' isn't specified.", "minItems": 2, "maxItems": 2, "items": [ { "type": "string", "description": "Popped element." }, { "type": "number", "description": "Score." } ] }, { "type": "array", "description": "List of popped elements and scores when 'COUNT' is specified.", "items": { "type": "array", "minItems": 2, "maxItems": 2, "items": [ { "type": "string", "description": "Popped element." }, { "type": "number", "description": "Score." } ] } } ] }, "arguments": [ { "name": "key", "type": "key", "key_spec_index": 0 }, { "name": "count", "type": "integer", "optional": true } ] } }