46 Commits

Author	SHA1	Message	Date
Alexey Milovidov	af8f9289cc	dbms: lowered memory usage for huge ORDER BY with LIMIT [#METR-2944].	2014-12-15 10:35:40 +03:00
Alexey Milovidov	bc454aec71	dbms: added override to all columns [#METR-2944].	2014-11-01 01:15:17 +03:00
Andrey Mironov	771dada9c0	+PODArray::resize_assume_reserved	2014-08-28 15:59:41 +04:00
Andrey Mironov	7039a8b883	review corrections, exception safety.	2014-08-28 11:49:27 +04:00
Andrey Mironov	5d12a38bbb	ColumnString::filter: manual vectorization	2014-08-26 18:59:22 +04:00
Alexey Milovidov	0019c0ef57	dbms: fixed error [#METR-12412].	2014-08-20 08:57:03 +04:00
Alexey Milovidov	f1dba5e341	dbms: improved performance of function regionToName [#METR-11434].	2014-06-04 05:00:09 +04:00
Alexey Milovidov	0d2ac52f26	dbms: fixed segfault when ORDER BY one string or fixed string DESC [#METR-11277].	2014-05-23 06:18:01 +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	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
Vyacheslav Alipov	7c9a0f8ac1	renamed methods with collator in ColumnString, removed catching exception [#CONV-7651]	2013-05-30 14:28:27 +00:00
Alexey Milovidov	85d06561c6	dbms: fixed error with collations [#CONV-7651].	2013-05-29 18:58:01 +00:00
Vyacheslav Alipov	f1c161842b	added collation [#CONV-7651]	2013-05-28 16:56:05 +00:00
Alexey Milovidov	a283ee9ad1	dbms: fixed error in prev. revision [#CONV-2944].	2013-05-05 16:18:25 +00:00
Alexey Milovidov	28c9579a5f	Separated ColumnString from ColumnArray and ColumnFixedString from ColumnFixedArray; removed ColumnFixedArray [#CONV-2944].	2013-05-05 15:25:25 +00:00
Alexey Milovidov	d5e9b78920	dbms: addition to prev. revision [#CONV-7486].	2013-05-03 15:10:56 +00:00
Alexey Milovidov	d08e7cf5bc	dbms: fixed error [#CONV-7486].	2013-05-03 05:23:14 +00:00
Alexey Milovidov	b73bbbd7a7	dbms, sqxxl: fixed error [#CONV-7289].	2013-04-13 00:56:07 +00:00
Michael Kolupaev	24ffa945bc	clickhouse: added function IPv4StringToNum [#CONV-6788].	2013-03-05 10:29:26 +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	d1f92c5508	dbms: modified comment [#CONV-2944].	2013-02-03 18:05:26 +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	bf32223096	dbms: improved performance of strings [#CONV-2944].	2013-01-07 05:33:36 +00:00
Alexey Milovidov	f5d25057bd	dbms: improved performance of strings [#CONV-2944].	2013-01-07 05:20:13 +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	c4c2ca38c6	dbms: improved performance (1.5x) of filtering and sorting strings [#CONV-2944].	2012-10-07 00:23:18 +00:00
Alexey Milovidov	8068c5df89	dbms: fixed error [#CONV-2944].	2012-09-19 18:45:01 +00:00
Alexey Milovidov	44aa02f806	dbms: development [#CONV-2944].	2012-08-27 05:13:14 +00:00
Alexey Milovidov	5b9cd8cac6	dbms: development [#CONV-2944].	2012-08-26 04:40:29 +00:00
Alexey Milovidov	1df4bf414c	dbms: development [#CONV-2944].	2011-09-26 11:05:38 +00:00
Alexey Milovidov	971c98f03a	dbms: development [#CONV-2944].	2011-09-04 00:22:19 +00:00
Alexey Milovidov	b67b8d8b54	dbms: development [#CONV-2944].	2011-08-28 00:31:30 +00:00
Alexey Milovidov	9f5cc680a4	dbms: development [#CONV-2504].	2011-08-09 19:19:00 +00:00
Alexey Milovidov	78c982e205	dbms: development.	2010-05-24 16:52:58 +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