Redis Roaring

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R.CLEARBITS ​

CategoryDescription
SyntaxR.CLEARBITS key offset [offset1 offset2 ... offsetN] [COUNT] [COUNT]
Time complexityO(C)
Supports structuresBitmap32
Command descriptionSets the value of the specified bit in a Roaring key to 0.

Parameter ​

  • key: The name of the Roaring bitmap key.
  • offset: An integer that represents the offset of the bit to be set, with a value range of 0 ~ 2^32.
  • COUNT: if this parameter is specified, the number of bits in the key that have been set to 0 is returned.

Output ​

  • If the operation is successful, the bit value is returned.
  • If the key does not exist, nil is returned.
  • Otherwise, an error message is returned.

Examples ​

Basic Usage ​

bash
$ redis-cli
127.0.0.1:6379> R.SETINTARRAY foo 1 2 3
OK
127.0.0.1:6379> R.CLEARBITS foo 1 3
OK
127.0.0.1:6379> R.GETINTARRAY foo
(integer) 2

Usage Notes ​

  • When COUNT parameter is specified, the operation may works slower for large dataset.