Commit Graph

51 Commits

Author SHA1 Message Date
Alexey Milovidov
49580a9048 dbms: added aggregate function quantileExactWeighted and companions [#METR-18778]. 2015-11-15 11:31:08 +03:00
Alexey Milovidov
a2efbc1efc dbms: renamed functions [#METR-18778]. 2015-11-15 09:23:44 +03:00
Alexey Milovidov
3a6f91fc70 dbms: addition to prev. revision [#METR-18778]. 2015-11-15 09:19:34 +03:00
Alexey Milovidov
02fcbbbdd5 dbms: better [#METR-2944]. 2015-11-11 05:04:23 +03:00
Alexey Milovidov
75bde11360 dbms: implemented TODO [#METR-18564]. 2015-10-29 07:13:18 +03:00
Alexey Milovidov
02284881be dbms: renamed file [#METR-18564]. 2015-10-29 07:04:43 +03:00
Alexey Milovidov
bb7d8f3ed5 dbms: implemented exact version of uniq of variadic number of arguments; improved performance of non-exact version [#METR-18564]. 2015-10-29 07:02:22 +03:00
Alexey Milovidov
5862506095 dbms: added variadic variant of aggregate function uniqUpTo [#METR-18564]. 2015-10-29 06:41:09 +03:00
Alexey Milovidov
dc1460ad44 dbms: little better [#METR-18564]. 2015-10-29 05:41:13 +03:00
Alexey Milovidov
459900269f dbms: uniqExact: 16% better [#METR-18564]. 2015-10-29 05:19:56 +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 Arno
e86428b4ac Merge 2015-10-08 17:23:23 +03:00
Alexey Arno
e0e7ebfc0a dbms: Server: Coding style fix. [#METR-17276] 2015-08-31 18:32:01 +03:00
Alexey Arno
f93141355b Merge 2015-08-31 16:53:16 +03:00
Alexey Arno
3ff1a857fe dbms: Server: Use another hash function. [#METR-17276] 2015-08-12 19:26:53 +03:00
Alexey Arno
e24cad5123 dbms: Server: Performance improvements. [#METR-17276] 2015-08-07 15:39:06 +03:00
Alexey Arno
891aed0744 dbms: Server: Cosmetic changes. [#METR-17276] 2015-08-04 16:37:56 +03:00
Alexey Arno
58e2a7ef6b dbms: Server: Removed useless hashing in the case of 32-bit floating point values. [#METR-17276] 2015-08-04 15:33:08 +03:00
Alexey Arno
3d301bb749 dbms: Server: Use trivial has for HLL12 case. [#METR-17276] 2015-07-29 20:22:17 +03:00
Alexey Arno
b17d3d79fc dbms: Server: Updated comment. [#METR-17276] 2015-07-29 20:13:02 +03:00
Alexey Arno
98557ba369 dbms: Server: Feed CombinedCardinalityEstimator with at most 32-bit wide values. [#METR-17276] 2015-07-29 20:06:39 +03:00
Alexey Arno
99e2b241c0 dbms: Server: Fixes. [#METR-17276] 2015-07-29 17:53:34 +03:00
Alexey Arno
ef92ac4f3d dbms: Server: Feature development. [#METR-17276] 2015-07-20 17:22:08 +03:00
Alexey Milovidov
2520c2e610 dbms: added small set optimization for aggregate function uniqHLL12 [#METR-2944]. 2015-02-22 10:23:37 +03:00
Alexey Milovidov
1a40e1942c dbms: added aggregate function uniqUpTo [#METR-12017]. 2014-07-25 00:20:36 +04:00
Alexey Milovidov
f1dba5e341 dbms: improved performance of function regionToName [#METR-11434]. 2014-06-04 05:00:09 +04:00
Alexey Milovidov
a4fc77a8cb dbms: removed useless code, fixed error [#METR-10719]. 2014-05-16 05:25:20 +04:00
Alexey Milovidov
f0792f0deb dbms: improved performance of aggregation and aggregate function uniq [#METR-2944]. 2014-05-10 09:17:08 +04:00
Alexey Milovidov
2b13e02d3c dbms: fixed error [#METR-2944]. 2014-05-03 20:03:49 +04:00
Alexey Milovidov
1151854175 dbms: fixed error [#METR-2944]. 2014-05-01 21:26:31 +04:00
Alexey Milovidov
8232983714 dbms: unified hash tables: development [#METR-2944]. 2014-04-28 05:48:24 +04:00
Alexey Milovidov
0fe0e21c4b dbms: added aggregate function uniqExact [#METR-2944]. 2014-02-02 09:08:06 +00:00
Alexey Milovidov
7ed3228660 dbms: removed one virtual function call in aggregation inner loop [#METR-2944]. 2013-12-22 08:06:30 +00:00
Alexey Milovidov
ced5216c45 dbms: added AggregateFunctionIf adaptor [#CONV-8713]. 2013-09-11 00:55:31 +00:00
Vyacheslav Alipov
75a359bc7c improved code locality [#CONV-8544] 2013-08-22 11:06:58 +00:00
Vyacheslav Alipov
b25c3408ec changed GlobalStats to use HLL12 [#CONV-8544] 2013-08-22 10:58:52 +00:00
Vyacheslav Alipov
e68f0a2f69 added uniq_hll12 to ███████████, increased accuracy of HLL12 [#CONV-8544] 2013-08-22 09:43:19 +00:00
Vyacheslav Alipov
602bea808d added uniq functions with HLL support [#CONV-8544] 2013-08-21 13:26:42 +00:00
Alexey Milovidov
1d7fd1644d dbms: fixed error in prev. revision [#CONV-2944]. 2013-06-30 11:40:30 +00:00
Alexey Milovidov
43825cdf95 dbms: improved performance of finalizing aggregate functions [#CONV-2944]. 2013-06-30 11:38:46 +00:00
Alexey Milovidov
79afdbc193 dbms: removed useless code [#CONV-2944]. 2013-06-30 10:14:50 +00:00
Alexey Milovidov
0931ac57ae dbms: improved performance [#CONV-2944]. 2013-06-25 14:16:16 +00:00
Alexey Milovidov
235c9ce7dd dbms: improved performance of aggregation a little [#CONV-2944]. 2013-06-25 08:06:40 +00:00
Alexey Milovidov
20a164a2d1 dbms: added aggregate functions uniqIf, avgIf [#CONV-7862]. 2013-06-13 20:30:47 +00:00
Alexey Milovidov
67b0719f26 Global stat: dbms: added aggregate function 'uniqState'; added compatibility with ███████████ [#CONV-7315]. 2013-04-26 18:57:08 +00:00
Alexey Milovidov
d4c64603a2 dbms: improvement of aggregation (incomplete) [#CONV-2944]. 2013-02-08 19:34:44 +00:00
Alexey Milovidov
4c7a2a1198 dbms: improved performance of aggregating strings [#CONV-2944]. 2013-01-07 05:33:15 +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
494b212f3a dbms: removed VarUInt and VarInt data types [#CONV-2944]. 2012-12-14 20:24:26 +00:00
Alexey Milovidov
3bffaff936 dbms: development [#CONV-2944]. 2011-12-19 08:06:31 +00:00