3 Commits

Author	SHA1	Message	Date
shengyunyao	ccc1b9d98c	Optimize percentile_approx through radix sort (#2102) (#2107)	2019-11-05 09:25:47 +08:00
Mingyu Chen	82d0afc1ba	FROM_UNIXTIME should only convert timestamp from 0 to 253402271999 (#1658) ... which is between 1970-01-01 00:00:00 ~ 9999-12-31 23:59:59, otherwise, return null	2019-08-16 18:29:57 +08:00
HangyuanLiu	a7390c03f4	Add percentile_approx aggregate function (#1432)	2019-07-11 16:44:43 +08:00