1. 2016-07-20 [1] [SQL] Wiindow Aggregate function postgresql-s Herby Raynaud 2. 2016-07-19 [3] [SQL] posgres optimizer not using the index on hstore HELP postgresql-s Tom Lane 3. 2016-07-06 [2] [SQL] Exception handling in Foreign table postgresql-s Adrian Klaver 4. 2016-07-01 [4] [SQL] missing data for column postgresql-s Steve Midgley