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18 Commits

Author SHA1 Message Date
Alexey Milovidov
2368ac3675 dbms: fixed error with ArenaWithFreeLists; added comments; improved performance [#METR-19278]. 2015-12-27 13:58:20 +03:00
Alexey Milovidov
959ae7cd78 dbms: unified allocators [#METR-18778]. 2015-11-15 06:09:40 +03:00
Alexey Milovidov
0ced5b4013 dbms: improved performance of aggregation by arrays [#METR-13168]. 2015-10-04 09:51:22 +03:00
Alexey Milovidov
804216f678 dbms: added full support of GROUP BY arrays [#METR-13168]. 2015-10-04 09:10:48 +03:00
Alexey Milovidov
1f6def094f dbms: fixed build [#METR-18202]. 2015-09-29 22:19:54 +03:00
Alexey Milovidov
f0a5ec4736 dbms: unification; using huge pages (experimental) [#METR-2944]. 2015-08-16 16:00:22 +03:00
Alexey Milovidov
dbca19b7bc dbms: Arena: added unused method allocContinue (was applied for experiment) [#METR-2944]. 2015-02-23 20:27:13 +03:00
Alexey Milovidov
dc6259d931 dbms: added aggregation method 'concat' - performance improvement in generic case [#METR-2944]. 2015-02-22 19:09:16 +03:00
Alexey Milovidov
7ef01201ef dbms: Arena: tiny modification [#METR-2944]. 2014-07-04 23:45:06 +04:00
Alexey Milovidov
0abc554493 dbms: tracking amount of memory usage per query [#METR-11015]. 2014-05-04 02:57:43 +04:00
Alexey Milovidov
63cff6a5a4 Improvement [#METR-2807]. 2014-04-08 11:58:53 +04:00
Alexey Milovidov
a57d64b7fa dbms: more instrumentation [#METR-2944]. 2014-01-04 04:53:07 +00:00
Alexey Milovidov
2b7c70570f dbms: fixed error [#CONV-2944]. 2013-09-14 21:59:52 +00:00
Alexey Milovidov
b32f43e3b9 dbms: lowered memory usage for queries with large aggregation results [#CONV-2944]. 2013-09-14 08:11:56 +00:00
Vyacheslav Alipov
7f91afaf20 limits for IN and DISTINCT [not tested] [#CONV-7934] 2013-06-20 12:12:27 +00:00
Alexey Milovidov
da4d2f91c9 Renamed file and removed useless code [#CONV-2807]. 2013-05-05 16:23:54 +00:00
Alexey Milovidov
39429e780d dbms: continue improvement [#CONV-2944]. 2013-02-09 00:12:04 +00:00
Alexey Milovidov
d4c64603a2 dbms: improvement of aggregation (incomplete) [#CONV-2944]. 2013-02-08 19:34:44 +00:00