DROP DATABASE IF EXISTS mcol_5708; CREATE DATABASE mcol_5708; USE mcol_5708; CREATE TABLE test ( `f_int` int(10) unsigned NOT NULL DEFAULT 0, `f_dec14x2` decimal(14,2) NOT NULL DEFAULT 0.00, `f_dec14x4` decimal(14,4) NOT NULL DEFAULT 0.0000 ) ENGINE=columnstore DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci; insert into test (f_int,f_dec14x4, f_dec14x2) values (1, 0.1, 0.1); select f_int, sum(f_dec14x2), sum(f_dec14x4), sum(-200.000001), sum(0), sum(0.0), sum(11.000011), sum(12e-4), sum(1e+4), sum(-0.0), sum(-1 - 1.1), sum(--12), sum(+20), sum(13) from test group by 1; f_int sum(f_dec14x2) sum(f_dec14x4) sum(-200.000001) sum(0) sum(0.0) sum(11.000011) sum(12e-4) sum(1e+4) sum(-0.0) sum(-1 - 1.1) sum(--12) sum(+20) sum(13) 1 0.10 0.1000 -200.000001 0 0.0 11.000011 0.0012 10000 0.0 -2.1 12 20 13 DROP DATABASE mcol_5708;