At file:///home/psergey/dev/maria-5.1/ ------------------------------------------------------------ revno: 2724 revision-id: psergey@askmonty.org-20090902084018-lv3qet4nhooc4cnu parent: psergey@askmonty.org-20090901115954-nge2brzh3akkmtlz committer: Sergey Petrunya <psergey@askmonty.org> branch nick: maria-5.1 timestamp: Wed 2009-09-02 12:40:18 +0400 message: More comments === modified file 'sql/opt_range.h' --- a/sql/opt_range.h 2009-05-06 12:03:24 +0000 +++ b/sql/opt_range.h 2009-09-02 08:40:18 +0000 @@ -38,6 +38,12 @@ } KEY_PART; +/* + A "MIN_TUPLE < tbl.key_tuple < MAX_TUPLE" interval. + + One of endpoints may be absent. 'flags' member has flags which tell whether + the endpoints are '<' or '<='. +*/ class QUICK_RANGE :public Sql_alloc { public: uchar *min_key,*max_key;