2424 Commits

Author	SHA1	Message	Date
Alexey Milovidov	eea281236d	dbms: improved performance of aggregate functions argMin, argMax (about 5 times) [#METR-2944].	2015-03-01 04:06:49 +03:00
Alexey Milovidov	6ee73f0e05	dbms: improved error messages for table function remote [#METR-15145].	2015-02-28 00:05:56 +03:00
Alexey Milovidov	df2ccb311c	dbms: report error when Buffer table refers to itself [#METR-15167].	2015-02-27 23:39:34 +03:00
Alexey Milovidov	a321aa8108	dbms: added value 2 for setting 'readonly'; ignoring settings from remote client in readonly mode [#METR-15168].	2015-02-27 23:35:26 +03:00
Alexey Milovidov	03b1849bac	dbms: added aggregate functions quantileTimingWeighted, quantilesTimingWeighted, medianTimingWeighted [#METR-15181].	2015-02-27 20:38:21 +03:00
Andrey Mironov	c20d5338f0	dbms: StringRef operator std::string made explicit	2015-02-27 17:28:19 +03:00
Andrey Mironov	9d7fd21463	dbms:drastically improve performance by caching current time [#METR-13298]	2015-02-27 16:12:30 +03:00
Andrey Mironov	3f34c733dd	dbms: refactor FlatDictionary to use tuple and less macro-code[#METR-13298]	2015-02-27 16:12:30 +03:00
Alexey Arno	ca1c0756c2	dbms: Server: further simplification of memory ordering [#METR-14410]	2015-02-27 15:00:02 +03:00
Andrey Mironov	20eb5013a4	dbms: cache dictionary revamp [#METR-13298]	2015-02-26 17:53:45 +03:00
Andrey Mironov	cc6ac6b930	dbms: implicit conversion operator for StringRef to std::string	2015-02-26 17:53:45 +03:00
Andrey Mironov	70817eb5a6	dbms: move semantics for PODArray	2015-02-26 17:53:45 +03:00
Alexey Milovidov	b793248b8f	dbms: fixed error [#METR-2944].	2015-02-25 22:45:32 +03:00
Alexey Arno	bfc98adc19	dbms: Server: updated comments [#METR-14410]	2015-02-25 20:40:13 +03:00
Alexey Arno	30eee9b656	dbms: Server: fixed race conditions in ParallelReplicas [#METR-14410]	2015-02-25 20:15:31 +03:00
Alexey Arno	d96e9f3f75	dbms: Server: simplified thread-aware order of memory accesses since there are only a few stores that seldom happen [#METR-14410]	2015-02-25 17:28:42 +03:00
Alexey Arno	e4875354bb	dbms: Server: simplified code and updated settings [#METR-14875]	2015-02-25 17:23:15 +03:00
Alexey Arno	7fdc23c5f2	dbms: Server: fix race conditions [#METR-14410]	2015-02-25 15:43:06 +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	82e782d6f9	dbms: fixed error in prev. revision [#METR-2944].	2015-02-22 21:02:54 +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	f8f806ff58	dbms: fixed performance issue with very small blocks [#METR-2944].	2015-02-22 18:31:39 +03:00
Alexey Milovidov	c744e73ba4	dbms: tiny modification [#METR-2944].	2015-02-22 18:30:31 +03:00
Alexey Milovidov	e34eb1abcf	dbms: addition to prev. revision [#METR-2944].	2015-02-22 14:25:26 +03:00
Alexey Milovidov	0c144eb619	dbms: addition to prev. revision [#METR-2944].	2015-02-22 13:53:09 +03:00
Alexey Milovidov	664d85e08f	dbms: added support for value 'auto' of setting 'max_threads'; using that value by default [#METR-2944].	2015-02-22 13:50:36 +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	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	b6f4d3d3e8	dbms: added setting 'group_by_two_level_threshold' for fine tuning [#METR-2944].	2015-02-22 08:51:16 +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 Arno	37dee7d6ef	dbms: Server: applied much better fix for instruction ordering [#METR-14410]	2015-02-21 16:59:15 +03:00
Alexey Milovidov	5070e7642d	dbms: added SmallSet and SmallMap [#METR-2944].	2015-02-21 03:28:53 +03:00
Alexey Milovidov	f7ef574ed2	dbms: improved performance of Set, Join, Distinct and arrayEnumerateUniq [#METR-2944].	2015-02-20 22:48:52 +03:00
Alexey Arno	d4f6e1209a	dbms: Server: fixed RemoteBlockInputStream destructor policy [#METR-14410]	2015-02-20 17:43:22 +03:00
Alexey Arno	025fcd815d	Enforce ordering of variable assignment [#METR-14410]	2015-02-20 16:32:20 +03:00
Alexey Arno	9e44061a2f	dbms: Server: cosmetic changes [#METR-14875]	2015-02-20 14:33:21 +03:00
Andrey Mironov	e175883dd3	dbms: remove redundant checks in FunctionDictIsIn. [#METR-13298]	2015-02-20 13:57:38 +03:00
Alexey Arno	64c8535382	dbms: Server: performance optimization [#METR-14875]	2015-02-20 13:37:55 +03:00
Andrey Mironov	7dd6397245	dbms: alter appendTrailingCharIfAbsent behaviour [#METR-15071]	2015-02-19 18:28:24 +03:00
Andrey Mironov	cf8a927150	dbms: invert the way multiple values are acquired from the dictionary [#METR-13298]	2015-02-19 18:28:24 +03:00
Alexey Arno	533783d64b	dbms: Server: performance optimization (minimize copies and reallocations) [#METR-14875]	2015-02-19 17:55:47 +03:00
Alexey Arno	86129c634f	dbms: Server: performance optimization [#METR-14875]	2015-02-19 14:08:49 +03:00
Alexey Arno	a4f4c6a811	dbms: Server: performance optimization [#METR-14875]	2015-02-19 02:15:20 +03:00
Alexey Arno	19a93cc0bf	dbms: Server: fixed DAG traversal [#METR-14875]	2015-02-19 01:13:54 +03:00
Alexey Arno	d5d41df78d	dbms: Server: cosmetic changes [#METR-14875]	2015-02-18 21:18:37 +03:00
Alexey Arno	123acacb4d	dbms: Server: removed old code [#METR-14875]	2015-02-18 20:43:44 +03:00
Alexey Arno	fe8713a030	Merge	2015-02-18 20:41:51 +03:00
Alexey Arno	3d497e689b	dbms: Server: compilation fix [#METR-14875]	2015-02-18 20:09:06 +03:00
Alexey Arno	cd59370159	dbms: Server: feature development [#METR-14875]	2015-02-18 20:05:25 +03:00
Alexey Arno	4dd8387f2d	dbms: Server: feature development [#METR-14875]	2015-02-18 20:05:25 +03:00