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antirez authored
lookupKeyByPattern() was implemented with a trick to speedup the lookup process allocating two fake Redis obejcts on the stack. However now that we propagate expires to the slave as DEL operations the lookup of the key may result into a call to expireIfNeeded() having the stack allocated object as argument, that may in turn use it to create the protocol to send to the slave. But since this fake obejcts are inherently read-only this is a problem. As a side effect of this fix there are no longer size limits in the pattern to be used with GET/BY option of SORT. See https://github.com/antirez/redis/issues/460 for bug details.
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