Alexey Milovidov
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fade06af59
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Partially reverted [#METR-20892].
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2016-04-15 04:48:29 +03:00 |
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Alexey Milovidov
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f7c09d58a5
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Attempt to improve performance [#METR-20892].
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2016-04-15 03:33:21 +03:00 |
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Alexey Milovidov
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804216f678
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dbms: added full support of GROUP BY arrays [#METR-13168].
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2015-10-04 09:10:48 +03:00 |
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Alexey Milovidov
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b793248b8f
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dbms: fixed error [#METR-2944].
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2015-02-25 22:45:32 +03:00 |
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Alexey Milovidov
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dc6259d931
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dbms: added aggregation method 'concat' - performance improvement in generic case [#METR-2944].
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2015-02-22 19:09:16 +03:00 |
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Alexey Milovidov
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bbd48f8921
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dbms: Aggregator: added specialization for many (up to 256 bit) fixed-size keys (up to 3x performance improvement) [#METR-2944].
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2015-02-22 08:53:16 +03:00 |
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Alexey Milovidov
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a838833a30
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dbms: improved performance of aggregation by few fixed-size keys (up to 18%) [#METR-2944].
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2015-02-22 05:18:39 +03:00 |
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Alexey Milovidov
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e9232fc2fc
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dbms: more scalable aggregator: development [#METR-2944].
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2014-12-30 21:04:53 +03:00 |
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Alexey Milovidov
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32a2ec00d1
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dbms: more scalable aggragator: preparation [#METR-2944].
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2014-12-24 22:00:14 +03:00 |
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Alexey Milovidov
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a800baba16
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dbms: more neat [#METR-2944].
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2014-10-07 02:48:20 +04:00 |
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Alexey Milovidov
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897752de16
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dbms: unified hash tables: development [#METR-2944].
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2014-04-29 04:28:18 +04:00 |
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Alexey Milovidov
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8232983714
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dbms: unified hash tables: development [#METR-2944].
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2014-04-28 05:48:24 +04:00 |
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Alexey Milovidov
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0fe0e21c4b
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dbms: added aggregate function uniqExact [#METR-2944].
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2014-02-02 09:08:06 +00:00 |
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Alexey Milovidov
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40464a0123
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dbms: added new aggregation method [#CONV-2944].
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2013-09-15 10:53:10 +00:00 |
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Alexey Milovidov
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73c3fa0f8a
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dbms: probably improved aggregation [#CONV-2944].
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2013-09-15 07:17:26 +00:00 |
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Alexey Milovidov
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08e6150fe9
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SipHash: more handy [#CONV-2944].
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2013-08-28 17:13:43 +00:00 |
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Alexey Milovidov
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d3d9aa327e
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dbms: improved performance of aggregation by many fields: lowered number of allocs; more direct memory layout; don't use temporary Fields; lowered memory consumption [#CONV-2944].
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2013-06-30 16:56:00 +00:00 |
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Alexey Milovidov
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b73bbbd7a7
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dbms, sqxxl: fixed error [#CONV-7289].
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2013-04-13 00:56:07 +00:00 |
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Alexey Milovidov
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4403d1a51e
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dbms: added missing modification [#CONV-2944].
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2013-02-17 23:28:52 +00:00 |
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Alexey Milovidov
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e9a9124069
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dbms: continuing improvement (incomplete) [#CONV-2944].
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2013-02-08 20:34:30 +00:00 |
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Alexey Milovidov
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d4c64603a2
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dbms: improvement of aggregation (incomplete) [#CONV-2944].
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2013-02-08 19:34:44 +00:00 |
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Alexey Milovidov
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e7093907ef
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dbms: improved performance of aggregation [#CONV-2944].
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2013-01-08 19:41:22 +00:00 |
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Alexey Milovidov
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865130d3b6
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dbms: improved performance (less copies of fields) [#CONV-2944].
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2013-01-07 06:47:15 +00:00 |
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Alexey Milovidov
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7b3f533ecd
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Using own Field class instead of boost::variant (experimental) [#CONV-2944].
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2013-01-05 20:03:19 +00:00 |
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Alexey Milovidov
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2eee93e1d5
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dbms: improved performance of aggregation by many fields; fixed error in function concat [#CONV-2944].
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2012-10-07 06:30:10 +00:00 |
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Alexey Milovidov
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51d9240f74
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dbms: tiny modifications [#CONV-2944].
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2012-10-07 00:23:36 +00:00 |
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Alexey Milovidov
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cc1dc34b9e
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███████████: UserAgent: slightly better [#CONV-2807].
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2012-09-17 07:54:49 +00:00 |
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Alexey Milovidov
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9cd4ad0a9a
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dbms: development [#CONV-2944].
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2012-08-23 23:49:28 +00:00 |
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Alexey Milovidov
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fc0088bfd3
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dbms: development [#CONV-2944].
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2012-08-23 20:22:44 +00:00 |
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