Alexey Milovidov
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2b4f3b5d34
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Renamed method (less confusion) [#METR-2944].
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2017-01-02 23:12:12 +03:00 |
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Vitaliy Lyudvichenko
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5aa1822fb2
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Consecutive optimization for vertical merge. [#METR-23783]
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2016-12-18 22:12:25 +03:00 |
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Vitaliy Lyudvichenko
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202ba912ce
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Vertical merging algorithm for MergeTree engines. [#METR-23305]
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2016-11-29 22:41:31 +03:00 |
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alexey-milovidov
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8c2e228856
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Revert "New "vertical" algorithm for MergeTrees' parts merges"
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2016-11-24 23:08:54 +04:00 |
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Vitaliy Lyudvichenko
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588add5a49
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Added requested changes.
Also fixed single thread read from empty storage Log.
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2016-11-23 15:52:12 +03:00 |
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Vitaliy Lyudvichenko
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ec9bcd8054
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Vertical merging algorithm for ordinary MergeTreee.
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2016-11-23 15:47:19 +03:00 |
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Alexey Milovidov
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6c476974d4
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Maybe better [#METR-22173].
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2016-08-04 07:51:41 +03:00 |
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Alexey Milovidov
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4c7eb03b63
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Using std::shared_ptr for data types [#METR-21503].
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2016-05-28 13:35:44 +03:00 |
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Alexey Milovidov
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7f4d8d15cd
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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].
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2016-05-20 23:30:53 +03:00 |
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Alexey Milovidov
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aae7269dd0
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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.
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2016-05-20 23:27:04 +03:00 |
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Alexey Milovidov
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b7a05d0608
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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].
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2016-05-20 23:01:34 +03:00 |
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Alexey Milovidov
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3923c7abce
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Merge
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2016-04-15 20:42:51 +03:00 |
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Alexey Milovidov
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b664f367d8
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Improved Summing/Aggregating streams [#METR-12588].
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2016-04-14 00:15:36 +03:00 |
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Alexey Milovidov
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49cf0f148c
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Better [#METR-12588].
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2016-04-13 07:15:30 +03:00 |
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Alexey Milovidov
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edc1bb39c7
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Merge
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2016-04-13 06:56:22 +03:00 |
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Alexey Milovidov
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13c7d0983a
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dbms: cutting dependency [#METR-2944]..
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2016-01-12 00:46:36 +03:00 |
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Alexey Milovidov
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cc75d4603b
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dbms: improved performance of INSERT SELECT [#METR-19025].
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2015-11-29 16:18:12 +03:00 |
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Alexey Milovidov
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1f6def094f
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dbms: fixed build [#METR-18202].
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2015-09-29 22:19:54 +03:00 |
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Alexey Milovidov
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c94bd2fc09
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dbms: removed useless code [#METR-16739].
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2015-06-08 23:22:02 +03:00 |
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Alexey Milovidov
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e3b0c97b0f
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dbms: fixed error with merging [#METR-16247].
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2015-05-12 07:55:14 +03:00 |
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Alexey Milovidov
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1685b293f7
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dbms: tiny improvements [#METR-2944].
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2015-01-18 11:25:56 +03:00 |
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Alexey Milovidov
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8620b80d99
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dbms: fixed collations; preparation to external sorting [#METR-2944].
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2015-01-07 18:30:11 +03:00 |
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Alexey Milovidov
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a58104c818
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dbms: showing progress for INSERT SELECT query [#METR-13612].
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2014-11-09 02:52:18 +03:00 |
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Michael Kolupaev
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40d98ad7a9
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dbms: more informative exception message when reading fails during merge (in lucky cases when an exception occurs instead of a segfault). [#METR-11980]
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2014-07-21 15:34:43 +04:00 |
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Sergey Fedorov
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8f306f4238
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Merge
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2014-05-26 20:13:46 +04:00 |
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Michael Kolupaev
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b2fa912b2c
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Merge
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2014-04-11 20:56:49 +04:00 |
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Michael Kolupaev
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ba9315d264
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Merge
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2014-03-14 21:03:52 +04:00 |
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Alexey Milovidov
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da62ed8c6f
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Merge
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2013-10-01 20:38:01 +00:00 |
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Alexey Milovidov
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56d95e4268
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dbms: optimized ORDER BY with LIMIT; rows_before_limit_at_least is temporarily broken [#CONV-2944].
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2013-09-16 05:44:47 +00:00 |
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Alexey Milovidov
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717a3fc591
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dbms: fixed MergingSortedBlockInputStreams when one of stream is empty [#CONV-2944].
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2013-09-15 03:14:29 +00:00 |
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Alexey Milovidov
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6def419e85
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dbms: development [#CONV-2944].
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2013-09-13 20:33:09 +00:00 |
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Vyacheslav Alipov
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f1c161842b
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added collation [#CONV-7651]
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2013-05-28 16:56:05 +00:00 |
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Alexey Milovidov
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ce4161b4e0
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dbms: development [#CONV-2944].
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2013-05-04 04:05:15 +00:00 |
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Alexey Milovidov
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85664affbf
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dbms: development of multi-queries [#CONV-2944].
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2013-05-03 10:20:53 +00:00 |
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Alexey Milovidov
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1a7af177cd
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dbms: development [#CONV-2944].
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2012-10-20 02:10:47 +00:00 |
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Alexey Milovidov
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ee72094d1d
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███████████: development [#CONV-2944].
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2012-09-05 19:51:09 +00:00 |
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Alexey Milovidov
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d1db04f4ec
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dbms: development [#CONV-2944].
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2012-08-14 20:33:37 +00:00 |
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Alexey Milovidov
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eb8d9b5a97
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dbms: development [#CONV-2944].
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2012-08-08 20:12:29 +00:00 |
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Alexey Milovidov
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4c931f147f
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dbms: development [#CONV-2944].
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2012-08-01 19:55:05 +00:00 |
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Alexey Milovidov
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75a80c192f
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dbms: merge sorting: probably better [#CONV-2944].
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2012-07-27 20:19:15 +00:00 |
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Alexey Milovidov
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b9cfda11ab
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dbms: development [#CONV-2944].
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2012-07-25 20:17:35 +00:00 |
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Alexey Milovidov
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cae3962251
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dbms: development [#CONV-2944].
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2012-07-25 19:53:43 +00:00 |
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