73 Commits

Author	SHA1	Message	Date
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