Commit Graph

27 Commits

Author SHA1 Message Date
Alexey Milovidov
554d329064 dbms: fixed WITH TOTALS and LIMIT/DISTINCT [#METR-10705]. 2014-04-21 20:09:04 +04:00
Michael Kolupaev
d83ff9ceb2 clickhouse: totals modes. [#METR-9365] 2014-02-27 16:53:38 +04:00
Michael Kolupaev
04f0056b0a clickhouse: totals mode: development. [#METR-9365] 2014-02-27 16:53:38 +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
c252785d2a dbms: additional performance improvement [#METR-2944]. 2013-11-03 23:54:12 +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
3e7a073fdb dbms: fixed parametric aggregate functions in distributed query processing [#CONV-8223]. 2013-07-28 03:14:03 +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
7b790fb2a8 dbms: Aggregator: improvement [#CONV-2944]. 2013-02-16 20:15:45 +00:00
Alexey Milovidov
39429e780d dbms: continue improvement [#CONV-2944]. 2013-02-09 00:12:04 +00:00
Alexey Milovidov
aeb201b726 dbms: continue of improvement [#CONV-2944]. 2013-02-08 23:41:05 +00:00
Alexey Milovidov
e9a9124069 dbms: continuing improvement (incomplete) [#CONV-2944]. 2013-02-08 20:34:30 +00:00
Alexey Milovidov
d4c64603a2 dbms: improvement of aggregation (incomplete) [#CONV-2944]. 2013-02-08 19:34:44 +00:00
Alexey Milovidov
3891f4a230 dbms: improved performance for queries with large aggregation result [#CONV-2944]. 2013-02-03 23:11:21 +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
7b3f533ecd Using own Field class instead of boost::variant (experimental) [#CONV-2944]. 2013-01-05 20:03:19 +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
1650554012 dbms: fixed error (cutting arrays) [#CONV-2944]. 2012-09-20 18:40:58 +00:00
Alexey Milovidov
c899cd3c0d dbms: development [#CONV-2944]. 2012-05-30 03:30:29 +00:00
Alexey Milovidov
1df4bf414c dbms: development [#CONV-2944]. 2011-09-26 11:05:38 +00:00
Alexey Milovidov
4164a38d79 dbms: development [#CONV-2944]. 2011-09-19 03:34:23 +00:00
Alexey Milovidov
67d99d4773 dbms: development. 2011-09-19 01:42:16 +00:00