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Merge pull request #2296 from SSPkrolik/redis-scan-implementation

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Added implementation for Redis SCAN command
This commit is contained in:
Dominik Picheta 2015-03-13 20:42:18 +00:00
commit 658600a9b9
1 changed files with 24 additions and 0 deletions
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lib/pure/redis.nim
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@ -285,6 +285,30 @@ proc keys*(r: Redis, pattern: string): RedisList =
r.sendCommand("KEYS", pattern)
return r.readArray()
proc scan*(r: Redis, cursor: var BiggestInt): RedisList =
## Find all keys matching the given pattern and yield it to client in portions
## using default Redis values for MATCH and COUNT parameters
r.sendCommand("SCAN", $cursor)
let reply = r.readArray()
cursor = strutils.parseBiggestInt(reply[0])
return reply[1..high(reply)]
proc scan*(r: Redis, cursor: var BiggestInt, pattern: string): RedisList =
## Find all keys matching the given pattern and yield it to client in portions
## using cursor as a client query identifier. Using default Redis value for COUNT argument
r.sendCommand("SCAN", $cursor, ["MATCH", pattern])
let reply = r.readArray()
cursor = strutils.parseBiggestInt(reply[0])
return reply[1..high(reply)]
proc scan*(r: Redis, cursor: var BiggestInt, pattern: string, count: int): RedisList =
## Find all keys matching the given pattern and yield it to client in portions
## using cursor as a client query identifier.
r.sendCommand("SCAN", $cursor, ["MATCH", pattern, "COUNT", $count])
let reply = r.readArray()
cursor = strutils.parseBiggestInt(reply[0])
return reply[1..high(reply)]
proc move*(r: Redis, key: string, db: int): bool =
## Move a key to another database. Returns `true` on a successful move.
r.sendCommand("MOVE", key, $db)