Add two HyperLogLog functions
authorAlvaro Herrera <alvherre@alvh.no-ip.org>
Tue, 19 Jan 2016 20:40:15 +0000 (17:40 -0300)
committerAlvaro Herrera <alvherre@alvh.no-ip.org>
Tue, 19 Jan 2016 20:40:15 +0000 (17:40 -0300)
commit948c97958bf37adb2a9c2d6d92c255abfc7499ba
treee32489c56c51f7f580b36d161e07d3e4313af537
parent9ff60273e35cad6e9d3a4adf59d5c2455afe9d9e
Add two HyperLogLog functions

New functions initHyperLogLogError() and freeHyperLogLog() simplify
using this module from elsewhere.

Author: Tomáš Vondra
Review: Peter Geoghegan
src/backend/lib/hyperloglog.c
src/include/lib/hyperloglog.h