Module: Redis::Commands::HyperLogLog
- Included in:
- Redis::Commands
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/redis-5.0.5/lib/redis/commands/hyper_log_log.rb
Instance Method Summary collapse
-
#pfadd(key, member) ⇒ Boolean
Add one or more members to a HyperLogLog structure.
-
#pfcount(*keys) ⇒ Integer
Get the approximate cardinality of members added to HyperLogLog structure.
-
#pfmerge(dest_key, *source_key) ⇒ Boolean
Merge multiple HyperLogLog values into an unique value that will approximate the cardinality of the union of the observed Sets of the source HyperLogLog structures.
Instance Method Details
#pfadd(key, member) ⇒ Boolean
Add one or more members to a HyperLogLog structure.
11 12 13 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/redis-5.0.5/lib/redis/commands/hyper_log_log.rb', line 11 def pfadd(key, member) send_command([:pfadd, key, member], &Boolify) end |
#pfcount(*keys) ⇒ Integer
Get the approximate cardinality of members added to HyperLogLog structure.
If called with multiple keys, returns the approximate cardinality of the union of the HyperLogLogs contained in the keys.
22 23 24 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/redis-5.0.5/lib/redis/commands/hyper_log_log.rb', line 22 def pfcount(*keys) send_command([:pfcount] + keys.flatten(1)) end |
#pfmerge(dest_key, *source_key) ⇒ Boolean
Merge multiple HyperLogLog values into an unique value that will approximate the cardinality of the union of the observed Sets of the source HyperLogLog structures.
32 33 34 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/redis-5.0.5/lib/redis/commands/hyper_log_log.rb', line 32 def pfmerge(dest_key, *source_key) send_command([:pfmerge, dest_key, *source_key], &BoolifySet) end |