Commit Graph

919 Commits

Author SHA1 Message Date
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
Alexey Milovidov
83cf1f81ec dbms: Aggregator: preparation [#METR-17000]. 2015-11-30 19:57:05 +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
1889600e39 dbms: improved performance of Aggregator in non-compiled case [#METR-2944]. 2015-11-21 22:46:27 +03:00
Alexey Milovidov
8314861690 dbms: improved performance of INSERT SELECT [#METR-19025]. 2015-11-21 18:47:32 +03:00
Alexey Milovidov
2d00e5d84f dbms: SAMPLE ... OFFSET development: using rational numbers [#METR-18847]. 2015-11-20 00:34:53 +03:00
Alexey Milovidov
df3f04cdeb dbms: fixing warnings in gcc-5 [#METR-18843]. 2015-11-16 06:28:10 +03:00
Alexey Milovidov
4b29a48124 dbms: fixed error [#METR-17109]. 2015-11-09 21:45:55 +03:00
Alexey Milovidov
4482871274 dbms: allowed aliases without AS keyword in SELECT clause at top level [#METR-15573]. 2015-11-08 03:28:12 +03:00
Alexey Arno
29dc5f91d1 Merge 2015-11-06 20:44:01 +03:00
Alexey Arno
67d42f3aa8 dbms: Server: Bug fix. If the FROM section of a subquery does not refer to a table, the depth (as specified in the algorithm for distributed IN/JOIN subqueries processing) of this subquery must not increase. [#METR-18524] 2015-11-05 14:11:20 +03:00
Alexey Milovidov
213a6dedbd dbms: probably fixed error [#METR-18611]. 2015-11-02 22:19:29 +03:00
Alexey Milovidov
89848a098a dbms: setting Content-Type header in HTTP interface [#METR-18603]. 2015-10-31 00:19:54 +03:00
Andrey Mironov
37ba429c1e dbms: handle ALIAS columns differently, support them in ARRAY JOIN. [#METR-18221] 2015-10-29 18:42:40 +03:00
Alexey Milovidov
c9a8f19def dbms: fixed error with tuples of consts [#METR-18586]. 2015-10-29 00:21:18 +03:00
Alexey Milovidov
09e3e62539 Merge 2015-10-23 04:44:50 +03:00
Alexey Milovidov
5cd5c0dde5 dbms: using 'max_rows_to_group_by' limit while merging aggregate states (in certain cases) [#METR-18507]. 2015-10-23 04:43:42 +03:00
Alexey Milovidov
6f00b5949c dbms: fixed ARRAY JOIN when joined array is not used, but original is used [#METR-18406]. 2015-10-22 23:56:52 +03:00
Alexey Milovidov
90ff83b1ba dbms: using max_rows_to_group_by limit while merging aggregate states (incomplete) [#METR-18507]. 2015-10-22 04:44:33 +03:00
Alexey Arno
2660fbaa21 dbms: Server: merged branch METR-16213 into master 2015-10-20 17:59:29 +03:00
Alexey Milovidov
203beb9621 dbms: caching DNS for table function 'remote' [#METR-18472]. 2015-10-16 19:10:10 +03:00
Alexey Milovidov
5e21d6a11d dbms: implemented TODO [#METR-18472]. 2015-10-16 18:36:23 +03:00
Alexey Milovidov
fc745dbfa1 dbms: fixed error with removing temporary columns [#METR-18448]. 2015-10-15 19:10:08 +03:00
Alexey Arno
5f17c9d55d Merge 2015-10-12 17:53:16 +03:00
Alexey Milovidov
bb283e6602 dbms: added support for different numeric types in function has [#METR-18382]. 2015-10-12 10:05:54 +03:00
Alexey Milovidov
a62fdf0e24 dbms: removing temporary columns early [#METR-18361]. 2015-10-08 06:41:11 +03:00
Alexey Milovidov
9f5aa6c26e dbms: Set 'merge_tree_uniform_read_distribution' to true by default [#METR-16457]. 2015-10-08 03:09:48 +03:00
Alexey Milovidov
9facd5bc56 Removed link-time dependency [#METR-17973]. 2015-10-05 10:04:42 +03:00
Alexey Milovidov
baa25bf288 Addition to prev. revision [#METR-17973]. 2015-10-05 04:52:00 +03:00
Alexey Milovidov
3183deadef Moved files [#METR-17973]. 2015-10-05 04:50:42 +03:00
Alexey Milovidov
0ddb9cffdd Addition to prev. revision [#METR-17973]. 2015-10-05 04:40:00 +03:00
Alexey Milovidov
918422ad48 Moved files [#METR-17973]. 2015-10-05 04:35:28 +03:00
Alexey Milovidov
3a5032fd4a Moved files [#METR-17973]. 2015-10-05 03:52:29 +03:00
Alexey Milovidov
4a061b97cb Moved file [#METR-17973]. 2015-10-05 03:44:40 +03:00
Alexey Milovidov
804216f678 dbms: added full support of GROUP BY arrays [#METR-13168]. 2015-10-04 09:10:48 +03:00
Alexey Arno
ddf5996c44 Merge 2015-10-01 18:10:41 +03:00
Alexey Milovidov
1f6def094f dbms: fixed build [#METR-18202]. 2015-09-29 22:19:54 +03:00
Alexey Arno
8bdb8f93c0 Merge 2015-09-29 17:40:23 +03:00
Alexey Milovidov
949dfb4226 dbms: fixed build [#METR-2807]. 2015-09-27 17:28:43 +03:00
Alexey Milovidov
c1bb394e8d dbms: caching DNS requests for authentification [#METR-18213]. 2015-09-27 05:18:00 +03:00
Alexey Milovidov
093a8b12a7 dbms: added 'max_network_bytes' setting [#METR-18186]. 2015-09-25 15:52:47 +03:00
Alexey Milovidov
c757bf9063 dbms: setting thread names [#METR-2944]. 2015-09-24 21:54:21 +03:00
Alexey Milovidov
0e57c8c423 dbms: allowed to specify passwords in hashed form [#METR-18119]. 2015-09-24 10:18:05 +03:00
Alexey Milovidov
1481d7f293 dbms: specifying port to send queries in ZK [#METR-18167]. 2015-09-24 07:50:53 +03:00
Alexey Arno
7d52bb7ccf dbms: Server: Small code simplification. [#METR-17668] 2015-09-22 18:23:49 +03:00
Alexey Milovidov
6571769d3b dbms: added setting 'select_sequential_consistency' [#METR-16779]. 2015-09-20 14:54:58 +03:00
Alexey Milovidov
5af56824f2 dbms: improved texts [#METR-17688]. 2015-09-19 00:35:35 +03:00
Alexey Arno
1cae6e8b54 Merge 2015-09-18 16:36:10 +03:00
Pavel Kartavyy
44c810b228 ███████████: split ClickHouse query to several sub queries [#METR-17968] 2015-09-14 11:50:35 +03:00
Alexey Milovidov
aaa70348af dbms: quorum inserts: development [#METR-16779]. 2015-09-09 21:15:36 +03:00
Alexey Milovidov
47f291d721 dbms: fixed error with MemoryTracker in synchronous loading of external dictionaries [#METR-17969]. 2015-09-09 03:54:17 +03:00
Alexey Milovidov
0ca77545b2 dbms: added setting 'max_concurrent_queries_for_user' [#METR-17965]. 2015-09-09 00:01:43 +03:00
Alexey Milovidov
2311c69d53 dbms: development of memory efficient distributed aggregation method [#METR-17536]. 2015-09-07 10:40:14 +03:00
Alexey Milovidov
9f38f15294 dbms: pull scheme for GLOBAL subqueries: development [#METR-17758]. 2015-09-05 00:39:10 +03:00
Alexey Milovidov
e82e19ee75 dbms: pull scheme for GLOBAL subqueries: development: added ability to SELECT from temporary tables of another query [#METR-17758]. 2015-09-04 23:52:00 +03:00
Alexey Milovidov
193113dc63 Merge 2015-09-04 23:00:32 +03:00
Alexey Milovidov
7dc7144011 dbms: fixed error with column order in RIGHT and FULL JOINs [#METR-17550]. 2015-09-03 23:48:02 +03:00
Andrey Mironov
e8111d7e07 Merge 2015-09-03 15:07:46 +03:00
Andrey Mironov
288f46936a Merge 2015-09-02 18:48:10 +03:00
Andrey Mironov
ef356f9267 Merge 2015-09-01 19:09:12 +03:00
Andrey Mironov
84d24ae336 merge branch 'master' 2015-08-31 18:50:06 +03:00
Alexey Milovidov
10a3d616f6 dbms: pull scheme for GLOBAL subqueries: development [#METR-17758]. 2015-08-20 00:15:27 +03:00
Alexey Milovidov
cf4a0e85ef dbms: lowered memory usage for INSERT [#METR-17704]. 2015-08-14 05:45:40 +03:00
Alexey Milovidov
dea3c8b8a4 dbms: external dictionaries: fixed bunch of errors; added optional parameter 'dont_check_update_time' for MySQL dictionary source [#METR-17508]. 2015-08-12 06:57:32 +03:00
Alexey Milovidov
5b0b5dc9cf dbms: added memory-efficient mode of distributed aggregation [#METR-17536]. 2015-07-31 02:41:02 +03:00
Alexey Milovidov
0439ef5f7f dbms: implemented LEFT ARRAY JOIN [#METR-17474]. 2015-07-26 13:54:45 +03:00
Alexey Milovidov
80ce5f1f65 dbms: scalar subqueries: initial implementation [#METR-17472]. 2015-07-25 14:47:50 +03:00
Alexey Milovidov
e3449cae83 dbms: added progress for query CREATE AS SELECT [#METR-17470]. 2015-07-25 12:56:56 +03:00
Alexey Milovidov
763fe6fb93 dbms: added CROSS JOIN [#METR-16893]. 2015-07-23 23:23:24 +03:00
Alexey Milovidov
b0387d5ccf dbms: FULL and RIGHT JOINs: partial implementation [#METR-15418]. 2015-07-22 05:59:47 +03:00
Alexey Milovidov
d44cc0ca08 dbms: preparations [#METR-15418]. 2015-07-22 04:46:35 +03:00
Alexey Milovidov
71ae4a9931 dbms: preparation [#METR-15418]. 2015-07-22 03:59:22 +03:00
Andrey Mironov
f4b0c505da dbms: materialize defaults to avoid type safety problems while sorting [#METR-17391] 2015-07-21 20:19:21 +03:00
Alexey Milovidov
d5a69e8e31 dbms: fixed error with GROUP BY empty arrays [#METR-17361]. 2015-07-18 07:18:14 +03:00
Alexey Milovidov
c0e029bb1b dbms: renamed ColumnWithNameAndType to ColumnWithTypeAndName for clarification [#METR-2944]. 2015-07-17 04:27:35 +03:00
Alexey Milovidov
71f64f2d49 Merge 2015-07-17 00:32:51 +03:00
Alexey Milovidov
6815bd7c00 dbms: addition to prev. revision [#METR-15553]. 2015-07-15 05:58:28 +03:00
Alexey Milovidov
bc3a0de6ab dbms: fixed GLOBAL IN inside subquery [#METR-15553]. 2015-07-15 05:52:19 +03:00
Alexey Milovidov
226731128b dbms: get rid of columns inside Context [#METR-15553]. 2015-07-15 04:26:35 +03:00
Andrey Mironov
874f665ffd Merge 2015-07-14 16:11:38 +03:00
Andrey Mironov
f92714712f dbms: extract IDictionaryBase, fix devirtualization. [#METR-17111] 2015-07-13 20:11:17 +03:00
Alexey Arno
aa30036fd4 dbms: Server: Cosmetic changes that make easier to read, understand, and maintain the code that handles UNION ALL. [#METR-14099] 2015-07-13 18:02:29 +03:00
Alexey Milovidov
5ed6a1d446 dbms: QueryLog: development [#METR-16946]. 2015-07-01 08:18:54 +03:00
Alexey Milovidov
b5fd5fe490 dbms: QueryLog: development (incomplete) [#METR-16946]. 2015-06-30 00:35:35 +03:00
Alexey Milovidov
efc741efb0 dbms: added setting 'distributed_group_by_no_merge' [#METR-17060]. 2015-06-28 09:48:42 +03:00
Alexey Milovidov
4cebee36ea dbms: added setting 'skip_unavailable_shards' [#METR-17059]. 2015-06-28 09:38:18 +03:00
Alexey Milovidov
c36fdf0e56 dbms: initial implementation of QueryLog [#METR-16946]. 2015-06-26 23:48:10 +03:00
Alexey Milovidov
c9e225be12 dbms: QueryLog: development [#METR-16946]. 2015-06-26 22:23:25 +03:00
Andrey Mironov
aa7fe63962 dbms: temporarily add merge_tree_uniform_read_distribution setting. [#METR-16457] 2015-06-24 16:22:31 +03:00
Alexey Milovidov
8ab76848d7 dbms: QueryLog: development [#METR-16946]. 2015-06-23 00:26:03 +03:00
Alexey Milovidov
6f3d8f0efc dbms: added simple priorities system [#METR-16911]. 2015-06-21 09:06:04 +03:00
Alexey Milovidov
0719320758 dbms: improvement [#METR-2944]. 2015-06-18 05:11:05 +03:00
Alexey Milovidov
73072b58c7 dbms: fixed comment [#METR-2944]. 2015-06-17 00:41:47 +03:00
Alexey Milovidov
a9becd36ea dbms: allowed constant expressions in IN [#METR-2944]. 2015-06-12 08:18:47 +03:00
Alexey Milovidov
9237e308fb dbms: JOIN: added checking of types of key columns [#METR-16762]. 2015-06-10 02:50:22 +03:00
Alexey Milovidov
161d30c902 dbms: adding checking of types when JOIN (incomplete) [#METR-16762]. 2015-06-10 00:34:45 +03:00
Andrey Mironov
4fca014e1b dbms: reload initially failed dictionaries with exponential backoff [#METR-16702] 2015-06-09 19:18:49 +03:00
Alexey Milovidov
51be2693ee dbms: addition to SETTINGS [#METR-16354]. 2015-06-06 23:00:08 +03:00
Alexey Milovidov
854a2f4cc8 dbms: added optional section SETTINGS to SELECT query [#METR-16354]. 2015-06-06 00:28:04 +03:00
Alexey Milovidov
96f1bbc379 dbms: added support for randomization of quota intervals [#METR-16576]. 2015-05-30 00:32:10 +03:00
Alexey Milovidov
3786513a3c dbms: fixing error [#METR-16575]. 2015-05-29 00:41:28 +03:00
Alexey Milovidov
0984363b9c dbms: removed passing DataTypeFactory everywhere [#METR-16545]. 2015-05-28 06:49:28 +03:00
Alexey Milovidov
5390f492e1 dbms: JOIN with empty table: additions [#METR-16476]. 2015-05-27 03:55:54 +03:00
Andrey Mironov
31b868184d dbms: show all dictionaries in system.dictionaries, even the ones failed to load. [#METR-16466] 2015-05-26 14:54:05 +03:00
Alexey Milovidov
baaf5d0485 dbms: allowed to JOIN with empty table [#METR-16476]. 2015-05-26 03:37:48 +03:00
Pavel Kartavyy
ce8e182d9c dbms: fix comments for network_compression_method [#METR-16391] 2015-05-22 18:22:37 +03:00
Pavel Kartavyy
665afc2550 dbms: renamed SettingsNetworkCompressionMethod to SettingsCompressionMethod[#METR-16391] 2015-05-22 18:22:36 +03:00
Pavel Kartavyy
65d74a6195 dbms: add network compression method to settings [#METR-16391]
dbms: add network compression method to settings [#METR-16391]
2015-05-22 18:22:36 +03:00
Andrey Mironov
9b5ff37c09 dbms: set optimize_move_to_prewhere to on by default [#METR-13020] 2015-05-21 19:26:23 +03:00
Alexey Milovidov
8a1ea8cdad dbms: disabled max_streams_to_max_threads_ratio by default [#METR-2944]. 2015-05-12 08:01:43 +03:00
Alexey Milovidov
566b62854b dbms: more unform distribution of work among threads (experimental) [#METR-2944]. 2015-05-11 03:11:22 +03:00
Andrey Mironov
759f10aa88 dbms: add builtin_dictionaries_reload_interval to config [#METR-16143] 2015-05-07 18:06:11 +03:00
Alexey Arno
44066984cf Merge 2015-05-07 13:31:50 +03:00
Alexey Milovidov
c57063be27 Merge 2015-05-07 02:35:54 +03:00
Alexey Milovidov
a5afb7a863 dbms: cut dependency [#METR-2944]. 2015-05-07 02:35:37 +03:00
Alexey Milovidov
46eb776111 dbms: increased 'max_ast_elements' by default and for profile 'web' [#METRIKASUPP-5044]. 2015-05-05 17:54:14 +03:00
Alexey Arno
550d5e9e7a dbms: Server: Fixed hostname + IP address presentation. [#METR-15859] 2015-05-05 13:13:45 +03:00
Alexey Milovidov
310ed66b00 Revert "dbms: improvement (incomplete) [#METR-16164]."
This reverts commit 6f4f44ce7980cace32edd0913b8d1d53cd51682b.
2015-05-03 12:13:08 +03:00
Alexey Arno
fa78aa633f Merge 2015-04-30 15:43:16 +03:00
Alexey Milovidov
b5f1084132 dbms: improvement (incomplete) [#METR-16164]. 2015-04-30 08:45:34 +03:00
Alexey Arno
999bc75dfe dbms: Server: Removed unneeded optimization (ii). [#METR-14408] 2015-04-23 16:16:42 +03:00
Alexey Arno
a15052e0e6 Merge 2015-04-23 15:57:39 +03:00
Alexey Arno
80850909c7 Merge 2015-04-23 14:07:15 +03:00
Alexey Arno
5136ffb2a6 dbms: Server: Simplified code. [#METR-14408] 2015-04-21 18:12:08 +03:00
Andrey Mironov
77b2ef6f81 Merge 2015-04-21 16:10:08 +03:00
Alexey Milovidov
4f469ea831 dbms: preparation [#METR-15418]. 2015-04-19 01:33:24 +03:00
Alexey Milovidov
9077eb4f3c dbms: preparation [#METR-15418]. 2015-04-19 01:30:43 +03:00
Alexey Arno
8a317f076d Merge 2015-04-17 16:56:29 +03:00
Alexey Milovidov
a2f2cc369d dbms: preparation for FULL and RIGHT JOINs [#METR-15418]. 2015-04-17 11:46:06 +03:00
Alexey Milovidov
124a12095a dbms: added support for selecting stronger compression method [#METR-15386]. 2015-04-17 08:35:53 +03:00
Alexey Arno
7d00e235ea Merge 2015-04-16 17:27:56 +03:00
Alexey Milovidov
a5ac7fb70c dbms: disabled direct IO by default [#METR-15090]. 2015-04-16 14:47:17 +03:00
Alexey Milovidov
c89b7dcf92 dbms: implementation of WITH TOTALS inside JOINed subqueries [#METR-15417]. 2015-04-16 12:55:24 +03:00
Alexey Milovidov
e4bd9b1dec dbms: cut another dependency [#METR-2944]. 2015-04-16 10:22:29 +03:00
Alexey Milovidov
114b3de689 dbms: cut dependencies [#METR-2944]. 2015-04-16 09:12:35 +03:00
Alexey Arno
ac1e12e8dc dbms: Server: tweaked comments. [#METR-15090] 2015-04-15 11:45:22 +03:00
Alexey Arno
96f33e9238 dbms: Server: Code cleanups. [#METR-15090] 2015-04-14 17:58:59 +03:00
Alexey Arno
9bcb33c1d7 Merge 2015-04-14 17:21:19 +03:00
Alexey Arno
d35e4d0e4d dbms: Server: Code cleanups. [#METR-15090] 2015-04-14 16:44:38 +03:00
Alexey Milovidov
c4ea83a906 dbms: cut dependencies [#METR-2944]. 2015-04-14 05:45:30 +03:00
Alexey Milovidov
cac503ff82 Merge 2015-04-12 07:39:20 +03:00
Alexey Arno
b5c1932b8c Merge 2015-04-10 20:51:39 +03:00
Alexey Milovidov
eaa412df2b dbms: added setting 'strict_insert_defaults' (incomplete) [#METR-15913]. 2015-04-10 03:43:08 +03:00
Andrey Mironov
ba2e06a6e6 propagate exception from dictionaries on server start, fix race condition 2015-04-02 19:37:05 +03:00
Alexey Milovidov
666c154e5d dbms: fixed compiler, added test [#METR-2944]. 2015-04-01 07:14:15 +03:00
Alexey Milovidov
d3d3329d79 dbms: updated default setting for compiler [#METR-2944]. 2015-03-29 12:20:28 +03:00
Andrey Mironov
082620d054 dbms: do not attempt loading builtin dictionaries if config has no corresponding keys. [#METR-15691] 2015-03-27 18:44:52 +03:00
Andrey Mironov
edbe23ac1f dbms: add dictionaries_lazy_load config parameter, defaults to true. [#METR-15691] 2015-03-27 16:11:31 +03:00
Alexey Milovidov
06c35e0faa dbms: improvement [#METR-15484]. 2015-03-27 06:37:46 +03:00
Alexey Milovidov
7c74a112a0 dbms: tiny improvement [#METR-2944]. 2015-03-25 04:45:42 +03:00
Andrey Mironov
e521611c98 dbms:dummy system.dictionaries and dictionary exception logging. [#METR-13298] 2015-03-24 12:50:39 +03:00
Alexey Milovidov
904bd9713c dbms: slightly increased default value of setting 'group_by_two_level_threshold' (it's better, but exact amount is a guess) [#METR-2944]. 2015-03-24 03:44:54 +03:00
Alexey Milovidov
05401b901b dbms: better exception safety [#METR-15530]. 2015-03-23 04:10:06 +03:00
Andrey Mironov
4243f54911 dbms: support multiple dictionaries config files with glob pattern [#METR-13298] 2015-03-18 19:07:15 +03:00
Alexey Milovidov
026670c4ec dbms: fixed error with exception safety [#METR-15451]. 2015-03-15 14:30:26 +03:00
Alexey Milovidov
0a27283081 dbms: added setting 'force_index_by_date' [#METR-15484]. 2015-03-14 04:20:10 +03:00
Alexey Arno
241e35b424 Merge 2015-03-13 16:18:47 +03:00
Alexey Milovidov
db2956eb73 dbms: removing duplicate elements from ORDER BY [#METR-2944]. 2015-03-12 06:31:15 +03:00
Alexey Milovidov
1d7d1051a2 dbms: fixed error [#METR-15451]. 2015-03-12 05:22:55 +03:00
Alexey Arno
b9260807fd dbms: Server: feature development. [#METR-15090] 2015-03-11 14:31:09 +03:00
Alexey Milovidov
82b3fb4921 dbms: addition to prev. revision [#METR-15352]. 2015-03-07 04:10:14 +03:00
Andrey Mironov
c880ae8abb dbms: CacheDictionary: store values for missing ids explicitly. Store exceptions for more user-friendly error messages [#METR-13298] 2015-03-06 19:13:59 +03:00
Alexey Arno
380e17b899 dbms: Server: feature development. [#METR-15090] 2015-03-05 17:59:29 +03:00
Alexey Milovidov
9981a29365 dbms: fixed error with IN [#METR-15293]. 2015-03-03 23:00:39 +03:00
Alexey Milovidov
f33348442b dbms: updated default value of setting 'optimize_min_equality_disjunction_chain_length' [#METR-2944]. 2015-03-02 08:42:02 +03:00
Alexey Milovidov
ab0e29f0f2 dbms: Set: removed special case for small sets (not worth in most cases) [#METR-2944]. 2015-03-02 08:41:21 +03:00
Alexey Milovidov
e109ac1f57 dbms: improved performance for small sets [#METR-2944]. 2015-03-02 04:11:37 +03:00
Alexey Milovidov
0828dba841 dbms: preparation [#METR-2944]. 2015-03-02 04:10:58 +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
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
b793248b8f dbms: fixed error [#METR-2944]. 2015-02-25 22:45:32 +03:00
Alexey Arno
e4875354bb dbms: Server: simplified code and updated settings [#METR-14875] 2015-02-25 17:23:15 +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
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
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 Milovidov
f7ef574ed2 dbms: improved performance of Set, Join, Distinct and arrayEnumerateUniq [#METR-2944]. 2015-02-20 22:48:52 +03:00
Alexey Arno
9e44061a2f dbms: Server: cosmetic changes [#METR-14875] 2015-02-20 14:33:21 +03:00
Alexey Arno
64c8535382 dbms: Server: performance optimization [#METR-14875] 2015-02-20 13:37:55 +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
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
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
Alexey Arno
8407779d2e dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:15 +03:00
Alexey Arno
0869016283 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
2c547ad2fd dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
f6745b2972 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
932755f851 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
c342867233 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Arno
c95bec1cf4 dbms: Server: feature development [#METR-14875] 2015-02-18 20:03:14 +03:00
Alexey Milovidov
7d4ce4b505 dbms: added settings to fine tune reads from merge tree [#METR-2944]. 2015-02-15 05:31:48 +03:00