R64.DIFF
| Category | Description |
|---|---|
| Syntax | R64.DIFF destkey key1 key2 |
| Time complexity | O(C * M) |
| Supports structures | Bitmap64 |
| Command description | Performs ANDNOT operation (difference) on Roaring Bitmaps and stores the result in destkey |
Parameter
- destkey: The destination key that stores the result (Roaring data structure).
- key1: The first key (minuend) - elements FROM this bitmap.
- key2: The second key (subtrahend) - elements to EXCLUDE from key1.
Output
- If the operation is successful,
OKis returned. - Otherwise, an error message is returned.
Examples
Basic Usage
$ redis-cli
127.0.0.1:6379> R64.SETINTARRAY foo1 3 4 5
OK
127.0.0.1:6379> R64.SETINTARRAY foo2 1 4 6
OK
127.0.0.1:6379> R64.DIFF foo_dest foo1 foo2
OK
127.0.0.1:6379> R64.GETINTARRAY foo_dest
1) (integer) 3
2) (integer) 5
(integer) 5