Commit Graph

24 Commits

Author SHA1 Message Date
Alexey Milovidov
7532a1d564 Added support for NULLS FIRST and LAST in ORDER BY [#CLICKHOUSE-2882]. 2017-03-12 15:56:59 +03:00
Alexey Milovidov
0673f75265 Fixed absolutely incorrect code; added test [#CLICKHOUSE-2755]. 2017-02-10 13:20:06 +03:00
Alexey Milovidov
2b4f3b5d34 Renamed method (less confusion) [#METR-2944]. 2017-01-02 23:12:12 +03:00
Alexey Milovidov
3a16cd3ecc Added string concatenation operator [#METR-23546]. 2016-11-20 07:47:51 +03:00
Alexey Milovidov
646d70a545 Using std::shared_ptr for data types [#METR-21503]. 2016-05-28 17:14:18 +03:00
Alexey Milovidov
4b7f461e46 Using std::shared_ptr for columns [#METR-21503]. 2016-05-28 08:31:36 +03:00
Alexey Milovidov
13c7d0983a dbms: cutting dependency [#METR-2944].. 2016-01-12 00:46:36 +03:00
Alexey Milovidov
8314861690 dbms: improved performance of INSERT SELECT [#METR-19025]. 2015-11-21 18:47:32 +03:00
Alexey Milovidov
3688bca270 dbms: addition to prev. revision [#METR-17704]. 2015-08-14 05:47:07 +03:00
Alexey Milovidov
cf4a0e85ef dbms: lowered memory usage for INSERT [#METR-17704]. 2015-08-14 05:45:40 +03:00
Alexey Milovidov
8620b80d99 dbms: fixed collations; preparation to external sorting [#METR-2944]. 2015-01-07 18:30:11 +03:00
Alexey Milovidov
108a7850a5 dbms: improved performance on short queries [#METR-11571]. 2014-06-26 04:58:14 +04:00
Alexey Milovidov
d8b642aa6f dbms: tiny improvement [#METR-2944]. 2014-05-23 05:32:32 +04:00
Alexey Milovidov
c640065f37 dbms: don't zero-fill columns with numbers [#METR-8582]. 2013-12-08 02:29:40 +00:00
Alexey Milovidov
4eb7ba0e60 dbms: more clear code [#METR-2944]. 2013-11-29 22:10:15 +00:00
Evgeniy Gatov
6cac6bc21d dbms: fix [#METRIKASUPP-2726]. 2013-11-27 14:19:50 +00:00
Alexey Milovidov
8fd01c8d7d dbms: better comparison of floating point numbers with NaNs [#METR-9053]. 2013-11-01 20:10:43 +00:00
Alexey Milovidov
56d95e4268 dbms: optimized ORDER BY with LIMIT; rows_before_limit_at_least is temporarily broken [#CONV-2944]. 2013-09-16 05:44:47 +00:00
Vyacheslav Alipov
7c9a0f8ac1 renamed methods with collator in ColumnString, removed catching exception [#CONV-7651] 2013-05-30 14:28:27 +00:00
Vyacheslav Alipov
f1c161842b added collation [#CONV-7651] 2013-05-28 16:56:05 +00:00
Alexey Milovidov
d08e7cf5bc dbms: fixed error [#CONV-7486]. 2013-05-03 05:23:14 +00:00
Alexey Milovidov
70385e1229 Reverted experimental modification [#CONV-2944]. 2013-01-21 06:43:38 +00:00
Alexey Milovidov
39abfc625a dbms: improved performance [#CONV-2944]. 2013-01-21 06:10:30 +00:00
Alexey Milovidov
aecb171bf4 dbms: development [#CONV-2944]. 2012-07-17 20:05:36 +00:00