Commit Graph

25 Commits

Author SHA1 Message Date
Nikita Mikhaylov
dbf5091016
Parallel reading from replicas (#29279) 2021-12-09 13:39:28 +03:00
Anton Popov
915ef50c2d optimize reading in order of key more 2021-08-04 18:18:03 +03:00
Anton Popov
fc9d72e75d fix performance of short queries with large number of columns 2021-08-02 15:03:55 +03:00
Anton Popov
c45a9e3bd6 Merge remote-tracking branch 'upstream/master' into HEAD 2021-07-16 17:11:34 +03:00
Maksim Kita
3d05f07ece
Merge pull request #25917 from excitoon-favorites/defaultblocksizeprediction
Using required columns for block size prediction
2021-07-13 20:05:41 +03:00
Anton Popov
cb042afa9d pushdown limit while reading in order of primary key 2021-07-13 17:24:45 +03:00
Anton Popov
19d0f1bbfc Merge remote-tracking branch 'upstream/master' into HEAD 2021-07-13 16:12:08 +03:00
Vladimir Chebotarev
e5cbd82879 Took PREWHERE into account. 2021-07-04 18:06:15 +03:00
Vladimir Chebotarev
6f5a72c963 Using required columns for block size prediction. 2021-07-02 16:55:00 +03:00
Anton Popov
fa8ad1a7c6 reduce memory usage in queries with 'ORDER BY primary_key' 2021-06-25 19:23:41 +03:00
Nikolai Kochetov
6bc0a628cd Remove PrewhereDAGInfo. 2021-06-25 17:49:28 +03:00
Azat Khuzhin
d2cf03ea41 Change logging from trace to debug for messages with rows/bytes 2021-04-15 21:00:16 +03:00
Ivan
495c6e03aa
Replace all Context references with std::weak_ptr (#22297)
* Replace all Context references with std::weak_ptr

* Fix shared context captured by value

* Fix build

* Fix Context with named sessions

* Fix copy context

* Fix gcc build

* Merge with master and fix build

* Fix gcc-9 build
2021-04-11 02:33:54 +03:00
Azat Khuzhin
60b000ed51 Fix approx total rows accounting for reverse reading from MergeTree 2021-04-06 21:13:51 +03:00
alesapin
5b5dd4fb28 Fix order by desc after alter 2020-10-12 11:28:47 +03:00
alesapin
4c0879ae30 Better logging in storages 2020-06-19 20:17:13 +03:00
alesapin
dffdece350 getColumns in StorageInMemoryMetadta (only compilable) 2020-06-17 19:39:58 +03:00
alesapin
1ddeb3d149 Buildable getSampleBlock in StorageInMemoryMetadata 2020-06-16 18:51:29 +03:00
alesapin
71f99a274d Compileable getSampleBlockWithColumns in StorageInMemoryMetadata 2020-06-16 17:25:08 +03:00
Alexey Milovidov
7e1813825b Return old names of macros 2020-05-24 01:24:01 +03:00
Alexey Milovidov
c87fb91532 Progress on task 2020-05-24 00:41:35 +03:00
Alexey Milovidov
a2ad11897f Remove duplicate whitespaces (preparation) 2020-05-23 21:53:58 +03:00
Alexey Milovidov
1f13515a65 Make all LOG in single line (preparation) 2020-05-23 21:31:37 +03:00
Azat Khuzhin
d93b9a57f6 Forward declaration for Context as much as possible.
Now after changing Context.h 488 modules will be recompiled instead of 582.
2020-05-21 01:53:18 +03:00
Ivan Lezhankin
06446b4f08 dbms/ → src/ 2020-04-03 18:14:31 +03:00