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Diffstat (limited to '')
-rw-r--r-- | src/commands/pfcount.json | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/commands/pfcount.json b/src/commands/pfcount.json new file mode 100644 index 0000000..4d89e1d --- /dev/null +++ b/src/commands/pfcount.json @@ -0,0 +1,46 @@ +{ + "PFCOUNT": { + "summary": "Return the approximated cardinality of the set(s) observed by the HyperLogLog at key(s).", + "complexity": "O(1) with a very small average constant time when called with a single key. O(N) with N being the number of keys, and much bigger constant times, when called with multiple keys.", + "group": "hyperloglog", + "since": "2.8.9", + "arity": -2, + "function": "pfcountCommand", + "command_flags": [ + "READONLY", + "MAY_REPLICATE" + ], + "acl_categories": [ + "HYPERLOGLOG" + ], + "key_specs": [ + { + "notes": "RW because it may change the internal representation of the key, and propagate to replicas", + "flags": [ + "RW", + "ACCESS" + ], + "begin_search": { + "index": { + "pos": 1 + } + }, + "find_keys": { + "range": { + "lastkey": -1, + "step": 1, + "limit": 0 + } + } + } + ], + "arguments": [ + { + "name": "key", + "type": "key", + "key_spec_index": 0, + "multiple": true + } + ] + } +} |