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65 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
bb283e6602 dbms: added support for different numeric types in function has [#METR-18382]. 2015-10-12 10:05:54 +03:00
Alexey Milovidov
918422ad48 Moved files [#METR-17973]. 2015-10-05 04:35:28 +03:00
Alexey Milovidov
4309ccd0d6 dbms: addition to prev. revision [#METR-13168]. 2015-10-04 06:20:03 +03:00
Alexey Milovidov
733324645f dbms: aggregation by arrays: preparation [#METR-13168]. 2015-10-04 06:17:36 +03:00
Andrey Mironov
b81ef372d3 dbms: ColumnVector: add insert(T) function to avoid Field instantiation. [#METR-13298] 2015-03-23 17:30:43 +03:00
Alexey Milovidov
ea113f138f dbms: preparation [#METR-2944]. 2015-02-13 04:17:44 +03:00
Alexey Milovidov
9527462193 dbms: fixed memory tracking [#METR-14301]. 2014-12-15 08:23:44 +03:00
Alexey Milovidov
bc454aec71 dbms: added override to all columns [#METR-2944]. 2014-11-01 01:15:17 +03:00
Alexey Milovidov
425263970f dbms: improved performance of aggregation by one numeric key (up to: 2x for UInt8, 5x for UInt16, 1.1x for UInt32, UInt64) [#METR-2944]. 2014-10-29 04:18:50 +03:00
Andrey Mironov
484073a95c dbms: add emptyArrayType family of functions. #[METR-13151] 2014-10-28 16:43:51 +03:00
Andrey Mironov
7039a8b883 review corrections, exception safety. 2014-08-28 11:49:27 +04:00
Alexey Milovidov
0019c0ef57 dbms: fixed error [#METR-12412]. 2014-08-20 08:57:03 +04:00
Alexey Milovidov
2fe534aade dbms: fixed error; suddenly faster [#METR-2944]. 2014-08-17 13:18:47 +04:00
Alexey Milovidov
2d2c4c932e dbms: improved performance of filtering [#METR-2944]. 2014-08-17 11:39:28 +04:00
Alexey Milovidov
4a2bcf2137 dbms: development [#METR-10894] (don't even compiling). 2014-06-06 00:34:13 +04:00
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
10fdfb2c9f dbms: tiny performance improvement [#METR-2944]. 2014-05-01 04:17:02 +04:00
Alexey Milovidov
92c74bb0ff dbms: probably fixed error [#METR-9515]. 2013-12-16 05:27:38 +00:00
Alexey Milovidov
c640065f37 dbms: don't zero-fill columns with numbers [#METR-8582]. 2013-12-08 02:29:40 +00:00
Alexey Milovidov
4b01316b72 dbms: fixed error with sorting unsigned numbers [#METR-9053]. 2013-11-07 19:50:53 +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
Alexey Milovidov
fe0dd1d0b2 dbms: improvement [#CONV-2944]. 2013-06-21 20:34:19 +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
7b790fb2a8 dbms: Aggregator: improvement [#CONV-2944]. 2013-02-16 20:15:45 +00:00
Alexey Milovidov
aeb201b726 dbms: continue of improvement [#CONV-2944]. 2013-02-08 23:41:05 +00:00
Alexey Milovidov
153c30222b dbms: fixed error in prev. revision [#CONV-2944]. 2013-02-04 03:30:42 +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
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
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
143df8a373 dbms: tiny modifications [#CONV-2944]. 2012-12-11 20:32:08 +00:00
Michael Kolupaev
ceb07cafd8 clickhouse: refactored ColumnVector [#CONV-6092]. 2012-11-19 18:27:09 +00:00
Michael Kolupaev
451b75d7b4 clickhouse: added some implicit type casts, fixing bad IN behavior [#CONV-6092]. 2012-11-19 17:23:29 +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
6b6a834b64 dbms: development [#CONV-2944]. 2012-09-24 02:04:57 +00:00
Alexey Milovidov
1650554012 dbms: fixed error (cutting arrays) [#CONV-2944]. 2012-09-20 18:40:58 +00:00
Alexey Milovidov
44aa02f806 dbms: development [#CONV-2944]. 2012-08-27 05:13:14 +00:00
Alexey Milovidov
5f598c7a78 dbms: development [#CONV-2944]. 2012-05-17 19:15:53 +00:00