3278 Commits

Author	SHA1	Message	Date
Alexey Milovidov	99d7aa59b8	dbms: allowed to merge partial-aggregated streams memory-efficient in parallel [#METR-17000].	2015-12-02 01:35:48 +03:00
Alexey Milovidov	d76d57dda2	dbms: better [#METR-17000].	2015-12-02 00:20:14 +03:00
Alexey Milovidov	8844334423	dbms: external aggregation: development [#METR-17000].	2015-12-01 19:58:15 +03:00
Alexey Milovidov	fe8f947a43	dbms: allowed external aggregation with non-parallel aggregation [#METR-17000].	2015-12-01 17:43:51 +03:00
Alexey Milovidov	eef5fcc466	dbms: addition to prev. revision [#METR-17000].	2015-12-01 17:11:31 +03:00
Alexey Milovidov	02b16fce06	dbms: external aggregation: initial implementation [#METR-17000].	2015-12-01 17:09:05 +03:00
Alexey Milovidov	48e840a199	dbms: external aggregation: development [#METR-17000].	2015-11-30 22:57:46 +03:00
Andrey Mironov	386d560d39	dbms: refactor DoubleConverter [#METR-17328]	2015-11-30 20:55:42 +03:00
Andrey Mironov	1ca3d930da	dbms: do not allocate memory for default strings in cache dictionaries [#METR-17328]	2015-11-30 20:55:42 +03:00
Alexey Milovidov	83cf1f81ec	dbms: Aggregator: preparation [#METR-17000].	2015-11-30 19:57:05 +03:00
Alexey Milovidov	eb4034f7f2	dbms: better [#METR-2944].	2015-11-29 20:06:30 +03:00
Alexey Milovidov	cc75d4603b	dbms: improved performance of INSERT SELECT [#METR-19025].	2015-11-29 16:18:12 +03:00
Alexey Milovidov	b6aaf1fe32	dbms: development; provided monotonicity properties for date-time functions [#METR-19052].	2015-11-29 14:58:44 +03:00
Alexey Milovidov	d9bc972a59	dbms: allowed to use index if column is wrapped by piecewise-monotonic functions: initial implementation [#METR-19052].	2015-11-29 11:06:29 +03:00
Alexey Milovidov	98b3bfa48d	dbms: workaround for incompatibility with gcc and clang [#METR-19128].	2015-11-27 00:31:06 +03:00
Alexey Milovidov	747525d818	dbms: quantileTDigest: attempt to fix an error (incomplete) [#METR-19024].	2015-11-26 00:42:41 +03:00
Alexey Milovidov	8c8210062a	dbms: added support for hex escape sequences in strings [#METR-19072].	2015-11-25 06:11:17 +03:00
Andrey Mironov	699e5480f6	dbms: use ArenaWithFreeLists for strings in cache dictionary [#METR-17328]	2015-11-24 15:47:51 +03:00
Andrey Mironov	7159c57280	dbms: fix error with ternary operator having priority lower than binary + [#METR-17328]	2015-11-24 14:28:29 +03:00
Andrey Mironov	ee21853933	dbms: MongoDBDictionarySource now can use complex keys[#METR-17328]	2015-11-24 14:28:29 +03:00
Andrey Mironov	24f986c9f1	dbms: fixed ArenaWithFreeLists "off-by-one" error which lead to allocating blocks of size less than required.	2015-11-24 14:28:29 +03:00
Alexey Milovidov	eca62f753c	dbms: fixed error [#METR-19024].	2015-11-24 06:21:37 +03:00
Alexey Milovidov	d189c6206a	dbms: fixed error [#METR-19024].	2015-11-24 04:21:28 +03:00
Alexey Milovidov	bb88a1e1bf	dbms: quantiles: allowed parameters in non-increasing order [#METR-18778].	2015-11-24 00:33:43 +03:00
Alexey Milovidov	49be9e9b3e	dbms: added comment [#METR-19024].	2015-11-23 23:24:54 +03:00
Alexey Milovidov	c9ea87ec11	dbms: addition to prev. revision [#METR-2944].	2015-11-21 22:52:31 +03:00
Alexey Milovidov	7cf850f194	dbms: fixed error in prev. revision [#METR-2944].	2015-11-21 22:51:47 +03:00
Alexey Milovidov	1889600e39	dbms: improved performance of Aggregator in non-compiled case [#METR-2944].	2015-11-21 22:46:27 +03:00
Alexey Milovidov	6584d9ca6c	dbms: better [#METR-2944].	2015-11-21 21:56:54 +03:00
Alexey Milovidov	c461d32474	dbms: fixed comment [#METR-2944].	2015-11-21 18:51:09 +03:00
Alexey Milovidov	8314861690	dbms: improved performance of INSERT SELECT [#METR-19025].	2015-11-21 18:47:32 +03:00
Alexey Milovidov	2c67747a0d	dbms: implemented quantilesTDigest and quantilesTDigestWeighted aggregate functions [#METR-19024].	2015-11-21 17:04:43 +03:00
Alexey Milovidov	31c09b4d2d	dbms: added weighted variants of t-digest [#METR-19024].	2015-11-21 16:24:51 +03:00
Alexey Milovidov	57e8a8fdbb	dbms: added t-digest algorithm [#METR-19024].	2015-11-21 15:47:41 +03:00
Alexey Milovidov	d7c24b8203	dbms: fixed build [#METR-2944].	2015-11-21 06:20:31 +03:00
Alexey Milovidov	659cf5a940	dbms: improved performance of ColumnArray::filter [#METR-19022].	2015-11-21 06:19:43 +03:00
Andrey Mironov	715d2f6ce5	dbms: add key description to system.dictionaries[#METR-17328]	2015-11-20 19:20:54 +03:00
Andrey Mironov	aece1d21f8	dbms: improve dictGet functions for constant defaults [#METR-17328], [#METR-18520]	2015-11-20 18:53:23 +03:00
Alexey Milovidov	2d00e5d84f	dbms: SAMPLE ... OFFSET development: using rational numbers [#METR-18847].	2015-11-20 00:34:53 +03:00
Andrey Mironov	295e23a587	dbms: reimplement ArenaWithFreeLists on top of Arena [#METR-17328], [#METR-18520]	2015-11-19 18:06:00 +03:00
Andrey Mironov	de8eb7b914	dbms: fix debug build of ArenaWithFreeLists. [#METR-17328], [#METR-18520]	2015-11-19 16:41:35 +03:00
Andrey Mironov	6c8c0e03cb	dbms: slightly refactor most dictionaries, add dictHas function for all dictionaries supporting dictGet*OrDefault. [#METR-17328], [#METR-18520]	2015-11-19 16:15:02 +03:00
Andrey Mironov	6d42868283	dbms: ClickHouseDictionarySource: check that key is present before dereferencing [#METR-18945]	2015-11-19 09:50:05 +03:00
Alexey Milovidov	09dd253636	dbms: added support for SAMPLE ... OFFSET [#METR-18847].	2015-11-19 00:37:28 +03:00
Alexey Milovidov	8255d76754	dbms: added missing include [#METR-18945].	2015-11-19 00:35:24 +03:00
Andrey Mironov	e4ecbf42b1	dbms: fix cache-type dictionary memory effect on default values [#METR-17382]	2015-11-18 17:06:53 +03:00
Andrey Mironov	8feafa0da2	dbms: add dictGet*OrDefault for all new dictionaries [#METR-17382]	2015-11-18 16:31:29 +03:00
Andrey Mironov	4f1caeb0e4	dbms: SmallObjectPool for ComplexKeyCacheDictionary [#METR-17382]	2015-11-18 14:53:15 +03:00
Andrey Mironov	2e8cc93664	dbms: ArenaWithFreeLists basic implementation. [#METR-17382]	2015-11-17 19:09:43 +03:00
Alexey Milovidov	0270f2ff4d	dbms: addition [#METR-18778].	2015-11-17 02:49:18 +03:00