vaxelfel/eHyperLogLog — pull request #1 by vascokk (2013-09-18 17:54:55+00:00)
Title: Merging two registers

Hi,
I added a function "merge(hll(), hll()) -> hll()", which might be useful when you have two separate HLL results and want to know the overall cardinality.
Regards,
Vasco