Commit Graph

34 Commits

Author SHA1 Message Date
Alexey Milovidov
7f4d8d15cd Attempt to fix suboptimal performance when running query with ORDER BY and without GROUP BY to distributed table with very many remote servers [#METR-21408]. 2016-05-20 23:30:53 +03:00
Alexey Milovidov
aae7269dd0 Revert "Attempt to fix suboptimal performance when running query with ORDER BY and without GROUP BY to distributed table with very many remote servers [#METR-21408]."
This reverts commit bd47aaeefe38a1c55ed5a225cbda49db0f8ce1dc.
2016-05-20 23:27:04 +03:00
Alexey Milovidov
b7a05d0608 Attempt to fix suboptimal performance when running query with ORDER BY and without GROUP BY to distributed table with very many remote servers [#METR-21408]. 2016-05-20 23:01:34 +03:00
Alexey Milovidov
3923c7abce Merge 2016-04-15 20:42:51 +03:00
Alexey Milovidov
b664f367d8 Improved Summing/Aggregating streams [#METR-12588]. 2016-04-14 00:15:36 +03:00
Alexey Milovidov
49cf0f148c Better [#METR-12588]. 2016-04-13 07:15:30 +03:00
Alexey Milovidov
edc1bb39c7 Merge 2016-04-13 06:56:22 +03:00
Alexey Milovidov
13c7d0983a dbms: cutting dependency [#METR-2944].. 2016-01-12 00:46:36 +03:00
Alexey Milovidov
cc75d4603b dbms: improved performance of INSERT SELECT [#METR-19025]. 2015-11-29 16:18:12 +03:00
Alexey Milovidov
1f6def094f dbms: fixed build [#METR-18202]. 2015-09-29 22:19:54 +03:00
Alexey Milovidov
c94bd2fc09 dbms: removed useless code [#METR-16739]. 2015-06-08 23:22:02 +03:00
Alexey Milovidov
e3b0c97b0f dbms: fixed error with merging [#METR-16247]. 2015-05-12 07:55:14 +03:00
Alexey Milovidov
1685b293f7 dbms: tiny improvements [#METR-2944]. 2015-01-18 11:25:56 +03:00
Alexey Milovidov
8620b80d99 dbms: fixed collations; preparation to external sorting [#METR-2944]. 2015-01-07 18:30:11 +03:00
Alexey Milovidov
a58104c818 dbms: showing progress for INSERT SELECT query [#METR-13612]. 2014-11-09 02:52:18 +03:00
Michael Kolupaev
40d98ad7a9 dbms: more informative exception message when reading fails during merge (in lucky cases when an exception occurs instead of a segfault). [#METR-11980] 2014-07-21 15:34:43 +04:00
Sergey Fedorov
8f306f4238 Merge 2014-05-26 20:13:46 +04:00
Michael Kolupaev
b2fa912b2c Merge 2014-04-11 20:56:49 +04:00
Michael Kolupaev
ba9315d264 Merge 2014-03-14 21:03:52 +04:00
Alexey Milovidov
da62ed8c6f Merge 2013-10-01 20:38:01 +00:00
Alexey Milovidov
56d95e4268 dbms: optimized ORDER BY with LIMIT; rows_before_limit_at_least is temporarily broken [#CONV-2944]. 2013-09-16 05:44:47 +00:00
Alexey Milovidov
717a3fc591 dbms: fixed MergingSortedBlockInputStreams when one of stream is empty [#CONV-2944]. 2013-09-15 03:14:29 +00:00
Alexey Milovidov
6def419e85 dbms: development [#CONV-2944]. 2013-09-13 20:33:09 +00:00
Vyacheslav Alipov
f1c161842b added collation [#CONV-7651] 2013-05-28 16:56:05 +00:00
Alexey Milovidov
ce4161b4e0 dbms: development [#CONV-2944]. 2013-05-04 04:05:15 +00:00
Alexey Milovidov
85664affbf dbms: development of multi-queries [#CONV-2944]. 2013-05-03 10:20:53 +00:00
Alexey Milovidov
1a7af177cd dbms: development [#CONV-2944]. 2012-10-20 02:10:47 +00:00
Alexey Milovidov
ee72094d1d ███████████: development [#CONV-2944]. 2012-09-05 19:51:09 +00:00
Alexey Milovidov
d1db04f4ec dbms: development [#CONV-2944]. 2012-08-14 20:33:37 +00:00
Alexey Milovidov
eb8d9b5a97 dbms: development [#CONV-2944]. 2012-08-08 20:12:29 +00:00
Alexey Milovidov
4c931f147f dbms: development [#CONV-2944]. 2012-08-01 19:55:05 +00:00
Alexey Milovidov
75a80c192f dbms: merge sorting: probably better [#CONV-2944]. 2012-07-27 20:19:15 +00:00
Alexey Milovidov
b9cfda11ab dbms: development [#CONV-2944]. 2012-07-25 20:17:35 +00:00
Alexey Milovidov
cae3962251 dbms: development [#CONV-2944]. 2012-07-25 19:53:43 +00:00