Commit Graph

51 Commits

Author SHA1 Message Date
Alexey Milovidov
7fa1a57165 dbms: fixed excessive memory allocation when splitting single-level block in Aggregator [#METR-17000]. 2015-12-05 10:01:18 +03:00
Alexey Milovidov
eb4034f7f2 dbms: better [#METR-2944]. 2015-11-29 20:06:30 +03:00
Alexey Milovidov
659cf5a940 dbms: improved performance of ColumnArray::filter [#METR-19022]. 2015-11-21 06:19:43 +03:00
Alexey Milovidov
c9a8f19def dbms: fixed error with tuples of consts [#METR-18586]. 2015-10-29 00:21:18 +03:00
Alexey Milovidov
918422ad48 Moved files [#METR-17973]. 2015-10-05 04:35:28 +03:00
Alexey Milovidov
733324645f dbms: aggregation by arrays: preparation [#METR-13168]. 2015-10-04 06:17:36 +03:00
Alexey Milovidov
6f70e8e05c dbms: added comment [#METR-2944]. 2015-07-23 14:11:41 +03:00
Alexey Milovidov
ad2392ee7d dbms: fixed error with StorageBuffer [#METR-15105]. 2015-02-13 23:37:30 +03:00
Alexey Milovidov
3ff8c7ff26 dbms: fixed error [#METR-13087]. 2014-10-07 02:46:18 +04:00
Alexey Milovidov
35cdf28110 dbms: improved performance of filtering [#METR-2944]. 2014-08-17 03:18:37 +04:00
Alexey Milovidov
108a7850a5 dbms: improved performance on short queries [#METR-11571]. 2014-06-26 04:58:14 +04:00
Alexey Milovidov
10fdfb2c9f dbms: tiny performance improvement [#METR-2944]. 2014-05-01 04:17:02 +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
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
Alexey Milovidov
f36133e35d dbms: min/max: development [#CONV-8691]. 2013-09-06 20:28:22 +00:00
Alexey Milovidov
facaf9d24a dbms: improved performance of aggregation by FixedString columns [#CONV-2944]. 2013-07-19 20:12:02 +00:00
Michael Kolupaev
796df96cbc clickhouse: Expression refactoring: development [#CONV-7444]. 2013-05-24 10:49:19 +00:00
Alexey Milovidov
d08e7cf5bc dbms: fixed error [#CONV-7486]. 2013-05-03 05:23:14 +00:00
Alexey Milovidov
81418b287e dbms: removed IColumn::clear function [#CONV-7486]. 2013-05-03 03:23:41 +00:00
Alexey Milovidov
3693481bb7 dbms: development [#CONV-2944]. 2013-05-03 02:25:50 +00:00
Alexey Milovidov
b73bbbd7a7 dbms, sqxxl: fixed error [#CONV-7289]. 2013-04-13 00:56:07 +00:00
Alexey Milovidov
7b790fb2a8 dbms: Aggregator: improvement [#CONV-2944]. 2013-02-16 20:15:45 +00:00
Alexey Milovidov
0735bb7d60 dbms: improved performance of queries with large aggregation result [#CONV-2944]. 2013-02-03 18:39:09 +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
865130d3b6 dbms: improved performance (less copies of fields) [#CONV-2944]. 2013-01-07 06:47:15 +00:00
Alexey Milovidov
c684b7c337 dbms: probably improved performance of merging [#CONV-2944]. 2012-12-16 00:52:06 +00:00
Alexey Milovidov
b312f42808 dbms: reverted previous modification [#CONV-2944]. 2012-12-16 00:23:41 +00:00
Alexey Milovidov
62a8ecc749 dbms: probably improved performance of inserting, merging and sorting [#CONV-2944]. 2012-12-15 23:10:14 +00:00
Alexey Milovidov
2eee93e1d5 dbms: improved performance of aggregation by many fields; fixed error in function concat [#CONV-2944]. 2012-10-07 06:30:10 +00:00
Alexey Milovidov
5501a05fc6 dbms: development [#CONV-2944]. 2012-09-17 04:31:25 +00:00
Alexey Milovidov
44aa02f806 dbms: development [#CONV-2944]. 2012-08-27 05:13:14 +00:00
Alexey Milovidov
cae3962251 dbms: development [#CONV-2944]. 2012-07-25 19:53:43 +00:00
Alexey Milovidov
5f598c7a78 dbms: development [#CONV-2944]. 2012-05-17 19:15:53 +00:00
Alexey Milovidov
191c78ede0 dbms: development [#CONV-2944]. 2011-09-26 12:50:50 +00:00
Alexey Milovidov
1df4bf414c dbms: development [#CONV-2944]. 2011-09-26 11:05:38 +00:00
Alexey Milovidov
70ff575fd9 dbms: development [#CONV-2944]. 2011-09-26 01:50:32 +00:00
Alexey Milovidov
971c98f03a dbms: development [#CONV-2944]. 2011-09-04 00:22:19 +00:00
Alexey Milovidov
2d530f9b84 dbms: development [#CONV-2944]. 2011-08-28 08:02:11 +00:00
Alexey Milovidov
b67b8d8b54 dbms: development [#CONV-2944]. 2011-08-28 00:31:30 +00:00
Alexey Milovidov
8fec27c1f6 dbms: development [#CONV-2944]. 2011-08-27 22:43:31 +00:00
Alexey Milovidov
87470640f1 dbms: development. 2011-08-22 20:24:45 +00:00
Alexey Milovidov
56c67c0910 dbms: development [#CONV-2944]. 2011-08-22 08:43:52 +00:00
Alexey Milovidov
b1935500a8 dbms: development. 2011-08-21 03:41:37 +00:00
Alexey Milovidov
9f5cc680a4 dbms: development [#CONV-2504]. 2011-08-09 19:19:00 +00:00
Alexey Milovidov
8fc01e90d7 dbms: development. 2010-06-24 19:12:10 +00:00
Alexey Milovidov
ec705eddef dbms: development. 2010-05-21 19:52:50 +00:00
Alexey Milovidov
b2db328d0a dbms: development. 2010-05-20 19:29:04 +00:00
Alexey Milovidov
6609ba4c1b dbms: development. 2010-05-13 16:13:38 +00:00