33 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	45065d53aa	dbms: aggregate functions uniq with variable number of arguments: initial implementation [#METR-18564].	2015-10-29 05:13:37 +03:00
Alexey Milovidov	c9a8f19def	dbms: fixed error with tuples of consts [#METR-18586].	2015-10-29 00:21:18 +03:00
Alexey Milovidov	1eaa3cb309	dbms: implemented method getExtremes for ColumnTuple [#METR-18474].	2015-10-16 23:32:44 +03:00
Alexey Milovidov	733324645f	dbms: aggregation by arrays: preparation [#METR-13168].	2015-10-04 06:17:36 +03:00
Alexey Milovidov	bc454aec71	dbms: added override to all columns [#METR-2944].	2014-11-01 01:15:17 +03:00
Alexey Milovidov	f1dba5e341	dbms: improved performance of function regionToName [#METR-11434].	2014-06-04 05:00:09 +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	8fd01c8d7d	dbms: better comparison of floating point numbers with NaNs [#METR-9053].	2013-11-01 20:10:43 +00:00
Alexey Milovidov	3c1ec5bc34	dbms: allowed to return tuples as query result [#METR-8970].	2013-10-26 19:00:13 +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	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	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	7b3f533ecd	Using own Field class instead of boost::variant (experimental) [#CONV-2944].	2013-01-05 20:03:19 +00:00
Alexey Milovidov	c684b7c337	dbms: probably improved performance of merging [#CONV-2944].	2012-12-16 00:52:06 +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	44aa02f806	dbms: development [#CONV-2944].	2012-08-27 05:13:14 +00:00
Alexey Milovidov	fabe9889f2	dbms: development [#CONV-2944].	2012-08-24 00:15:32 +00:00
Alexey Milovidov	7620dfe4f2	dbms: development [#CONV-2944].	2012-08-23 18:45:59 +00:00
Alexey Milovidov	9d8ea42cec	dbms: removed useless column types (Nullable, Tuple, Variant) [#CONV-2944].	2011-08-22 19:56:51 +00:00
Alexey Milovidov	9f5cc680a4	dbms: development [#CONV-2504].	2011-08-09 19:19:00 +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
Alexey Milovidov	f25307c662	dbms: development.	2010-03-12 18:25:35 +00:00