3 Commits

Author	SHA1	Message	Date
holys	c97b09fd0c	add set operations: difference, union, intersection	2014-08-14 19:35:41 +08:00
holys	572a8f2c9a	fix SAdd logic	2014-08-14 09:15:46 +08:00
holys	54a686277d	add set data type support(unfinished)	2014-08-13 21:54:27 +08:00