Commandszdiffstore
ZDIFFSTORE
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Redis Regular Inspection / Technical Support
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Redis Enterprise Server
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Compute the difference set and store it in a new set
Usage: zdiff 2 src_key1 src_key2.
The result set is stored in dest_key.
Each member score is added by default if not specified.
| src_key1 = | { (1,A), | (2,B), | (3,C) | } | |
| src_key2 = | { | (4,B), | (5,C) | (6,D) | } |
| ZDIFFSTORE dest_key = | { (1,A) | } |
Example
| Command> | zdiffstore 2 src_key1 src_key2 withscores |
| Result> |
1) "A" 2) "1" |
Syntax
ZDIFFSTORE destination numkeys key [key ...]
- Available since version 6.2.0.
- Time complexity is O(L + (N-K)log(N)).
| Related commands | ZUNION, | ZINTER |
| << ZINTERSTORE | ZDIFFSTORE | ZSCAN >> |
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