Github user HeartSaVioR commented on the issue:
https://github.com/apache/storm/pull/1479
Hi @darionyaphet.
Thanks for the contribution.
Btw, RedisLookupBolt and RedisStoreBolt are intended to map tuple to Redis
data or opposite (You could imagine object mapper or ORM), not intended to
support operations. `EXISTS` seems not fit to intention of them.
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