Alexey Milovidov
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baf29f5c48
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NULLs support: fixed totally wrong code [#METR-19266].
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2016-12-30 08:13:14 +03:00 |
|
Alexey Arno
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a4f2f74b8e
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dbms: Server: changes to make the code a tad more readable [#METR-19266]
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2016-10-18 15:36:36 +03:00 |
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Alexey Arno
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2a0c842966
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dbms: Server: added support for aggregation with nullable keys [#METR-19266]
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2016-10-18 13:09:48 +03:00 |
|
Alexey Arno
|
10770bc921
|
dbms: Server: Fixed typo. [#METR-19266]
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2016-09-16 21:47:46 +03:00 |
|
Alexey Arno
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e0347308b9
|
dbms: Server: Adding nullable type support to functions manipulating arrays. [#METR-19266]
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2016-09-16 19:11:36 +03:00 |
|
Alexey Milovidov
|
f5f38e1e50
|
Better support for tuples, arrays in SELECT DISTINCT [#METR-22035].
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2016-07-10 18:58:58 +03:00 |
|
Alexey Milovidov
|
4c7eb03b63
|
Using std::shared_ptr for data types [#METR-21503].
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2016-05-28 13:35:44 +03:00 |
|
Alexey Milovidov
|
fade06af59
|
Partially reverted [#METR-20892].
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2016-04-15 04:48:29 +03:00 |
|
Alexey Milovidov
|
f7c09d58a5
|
Attempt to improve performance [#METR-20892].
|
2016-04-15 03:33:21 +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
|
b793248b8f
|
dbms: fixed error [#METR-2944].
|
2015-02-25 22:45:32 +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
|
bbd48f8921
|
dbms: Aggregator: added specialization for many (up to 256 bit) fixed-size keys (up to 3x performance improvement) [#METR-2944].
|
2015-02-22 08:53:16 +03:00 |
|
Alexey Milovidov
|
a838833a30
|
dbms: improved performance of aggregation by few fixed-size keys (up to 18%) [#METR-2944].
|
2015-02-22 05:18:39 +03:00 |
|
Alexey Milovidov
|
e9232fc2fc
|
dbms: more scalable aggregator: development [#METR-2944].
|
2014-12-30 21:04:53 +03:00 |
|
Alexey Milovidov
|
32a2ec00d1
|
dbms: more scalable aggragator: preparation [#METR-2944].
|
2014-12-24 22:00:14 +03:00 |
|
Alexey Milovidov
|
a800baba16
|
dbms: more neat [#METR-2944].
|
2014-10-07 02:48:20 +04:00 |
|
Alexey Milovidov
|
897752de16
|
dbms: unified hash tables: development [#METR-2944].
|
2014-04-29 04:28:18 +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
|
40464a0123
|
dbms: added new aggregation method [#CONV-2944].
|
2013-09-15 10:53:10 +00:00 |
|
Alexey Milovidov
|
73c3fa0f8a
|
dbms: probably improved aggregation [#CONV-2944].
|
2013-09-15 07:17:26 +00:00 |
|
Alexey Milovidov
|
08e6150fe9
|
SipHash: more handy [#CONV-2944].
|
2013-08-28 17:13:43 +00:00 |
|
Alexey Milovidov
|
d3d9aa327e
|
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].
|
2013-06-30 16:56:00 +00:00 |
|
Alexey Milovidov
|
b73bbbd7a7
|
dbms, sqxxl: fixed error [#CONV-7289].
|
2013-04-13 00:56:07 +00:00 |
|
Alexey Milovidov
|
4403d1a51e
|
dbms: added missing modification [#CONV-2944].
|
2013-02-17 23:28:52 +00:00 |
|
Alexey Milovidov
|
e9a9124069
|
dbms: continuing improvement (incomplete) [#CONV-2944].
|
2013-02-08 20:34:30 +00:00 |
|
Alexey Milovidov
|
d4c64603a2
|
dbms: improvement of aggregation (incomplete) [#CONV-2944].
|
2013-02-08 19:34:44 +00:00 |
|
Alexey Milovidov
|
e7093907ef
|
dbms: improved performance of aggregation [#CONV-2944].
|
2013-01-08 19:41:22 +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
|
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
|
51d9240f74
|
dbms: tiny modifications [#CONV-2944].
|
2012-10-07 00:23:36 +00:00 |
|
Alexey Milovidov
|
cc1dc34b9e
|
███████████: UserAgent: slightly better [#CONV-2807].
|
2012-09-17 07:54:49 +00:00 |
|
Alexey Milovidov
|
9cd4ad0a9a
|
dbms: development [#CONV-2944].
|
2012-08-23 23:49:28 +00:00 |
|
Alexey Milovidov
|
fc0088bfd3
|
dbms: development [#CONV-2944].
|
2012-08-23 20:22:44 +00:00 |
|