Обсуждение: pgsql: Add two HyperLogLog functions

Add two HyperLogLog functions

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

Author: Tomáš Vondra
Review: Peter Geoghegan

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/948c97958bf37adb2a9c2d6d92c255abfc7499ba

Modified Files
--------------
src/backend/lib/hyperloglog.c |   48 ++++++++++++++++++++++++++++++++++++++++-
src/include/lib/hyperloglog.h |    2 ++
2 files changed, 49 insertions(+), 1 deletion(-)