{ "BITFIELD": { "summary": "Perform arbitrary bitfield integer operations on strings", "complexity": "O(1) for each subcommand specified", "group": "bitmap", "since": "3.2.0", "arity": -2, "function": "bitfieldCommand", "get_keys_function": "bitfieldGetKeys", "command_flags": [ "WRITE", "DENYOOM" ], "acl_categories": [ "BITMAP" ], "key_specs": [ { "notes": "This command allows both access and modification of the key", "flags": [ "RW", "UPDATE", "ACCESS", "VARIABLE_FLAGS" ], "begin_search": { "index": { "pos": 1 } }, "find_keys": { "range": { "lastkey": 0, "step": 1, "limit": 0 } } } ], "arguments": [ { "name": "key", "type": "key", "key_spec_index": 0 }, { "name": "operation", "type": "oneof", "multiple": true, "optional": true, "arguments": [ { "token": "GET", "name": "encoding_offset", "type": "block", "arguments": [ { "name": "encoding", "type": "string" }, { "name": "offset", "type": "integer" } ] }, { "name": "write", "type": "block", "arguments": [ { "token": "OVERFLOW", "name": "wrap_sat_fail", "type": "oneof", "optional": true, "arguments": [ { "name": "wrap", "type": "pure-token", "token": "WRAP" }, { "name": "sat", "type": "pure-token", "token": "SAT" }, { "name": "fail", "type": "pure-token", "token": "FAIL" } ] }, { "name": "write_operation", "type": "oneof", "arguments": [ { "token": "SET", "name": "encoding_offset_value", "type": "block", "arguments": [ { "name": "encoding", "type": "string" }, { "name": "offset", "type": "integer" }, { "name": "value", "type": "integer" } ] }, { "token": "INCRBY", "name": "encoding_offset_increment", "type": "block", "arguments": [ { "name": "encoding", "type": "string" }, { "name": "offset", "type": "integer" }, { "name": "increment", "type": "integer" } ] } ] } ] } ] } ] } }