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Merge pull request #2277 from SSPkrolik/redis-hll

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Added HyperLogLog support to Redis client
This commit is contained in:
Dominik Picheta 2015-03-06 15:52:47 +00:00
commit 2c0dfcb302
1 changed files with 16 additions and 0 deletions
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lib/pure/redis.nim
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@ -798,6 +798,22 @@ proc zunionstore*(r: Redis, destination: string, numkeys: string,
return r.readInteger()
# HyperLogLog
proc pfadd*(r: Redis, key: string, elements: varargs[string]): RedisInteger =
## Add variable number of elements into special 'HyperLogLog' set type
r.sendCommand("PFADD", key, elements)
return r.readInteger()
proc pfcount*(r: Redis, key: string): RedisInteger =
## Count approximate number of elements in 'HyperLogLog'
r.sendCommand("PFCOUNT", key)
return r.readInteger()
proc pfmerge*(r: Redis, destination: string, sources: varargs[string]) =
## Merge several source HyperLogLog's into one specified by destKey
r.sendCommand("PFMERGE", destination, sources)
raiseNoOK(r.readStatus(), r.pipeline.enabled)
# Pub/Sub