Alexander Gololobov
ae0d00083c
Renamed __row_exists to _row_exists
2022-07-18 20:07:36 +02:00
Alexander Gololobov
f324ca9921
Cleanups
2022-07-18 20:07:22 +02:00
Alexander Gololobov
9de72d995a
POC lightweight delete using __row_exists virtual column and prewhere-like filtering
2022-07-18 20:06:42 +02:00
jianmei zhang
ca42f649da
Rewrite logic for loading deleted mask related to getDeletedMask()
2022-07-15 15:31:10 +08:00
jianmei zhang
d37152a5d6
Remove loadDeletedMask() and get deleted mask when needed
2022-07-15 12:32:42 +08:00
jianmei zhang
7e433859ea
Change deleted rows mask from String to Native UInt8 format
2022-07-15 12:32:41 +08:00
jianmei zhang
8ad2bb7c33
Code changes due to master new fixes, and update reference for mutations table
2022-07-15 12:32:41 +08:00
jianmei zhang
11fdea6e4b
Add missing code for deleted_mask_filter_holder
2022-07-15 12:32:41 +08:00
jianmei zhang
9d27af7ee2
For some columns mutations, skip to apply deleted mask when read some columns. Also add unit test case
2022-07-15 12:32:41 +08:00
jianmei zhang
b4a37e1e22
Disable optimizations for count() when lightweight delete exists, add hasLightweightDelete() function in IMergeTreeDataPart
2022-07-15 12:32:41 +08:00
jianmei zhang
8696319d62
Support lightweight delete execution using string as deleted rows mask,also part of select can handle LWD
2022-07-15 12:32:41 +08:00
Alexander Gololobov
0ee47363d4
Fixed includes
2022-06-22 19:08:18 +02:00
Alexander Gololobov
e5b55b965b
Removed incorrect check
2022-06-22 17:23:09 +02:00
Alexander Gololobov
dbc6d1a159
Cleanups
2022-06-22 17:23:09 +02:00
Alexander Gololobov
b3922461b3
Properly handle empty actions
2022-06-22 17:23:09 +02:00
Alexander Gololobov
ba89c3954c
Do not add the same vitrual if it has been added by prev_reader
2022-06-22 17:23:09 +02:00
Alexander Gololobov
a9e3b8d29e
Don't read the same columns again
2022-06-22 17:23:09 +02:00
Alexander Gololobov
4e426c63cc
Debuging test failures
2022-06-22 17:23:09 +02:00
Alexander Gololobov
6a26325fab
Test dirty hacks for multiple PREWHERE steps
2022-06-22 17:23:05 +02:00
Alexander Gololobov
87b669f439
Intermediate changes
2022-06-22 17:17:42 +02:00
Alexander Gololobov
64a2f3734b
Protect ReadResult internals from MergeTreeRangeReader clients
2022-06-22 17:17:42 +02:00
Danila Kutenin
08e3f77a9c
Optimize most important parts with NEON SIMD
...
First part, updated most UTF8, hashing, memory and codecs. Except
utf8lower and upper, maybe a little later.
That includes huge amount of research with movemask dealing. Exact
details and blog post TBD.
2022-06-15 13:19:29 +00:00
Alexey Milovidov
f860407af5
Merge pull request #37777 from ClickHouse/avx512_tail_zero
...
Use multitarget framework for numZerosInTail implementation
2022-06-04 01:46:56 +03:00
Alexander Gololobov
0b004b907a
Added AVX2 implementation of numZerosInTail
2022-06-02 13:01:13 +02:00
Nikolai Kochetov
fc726c236f
Merge pull request #37661 from ClickHouse/no_alias_actions
...
Trying to remove prewhere_info.alias_actions as they seem to always be included in prewhere_actions
2022-06-02 12:31:04 +02:00
Alexander Gololobov
d8e4dcf9e2
Use multitarget framework for numZerosInTail implementation
2022-06-02 11:23:44 +02:00
Alexander Gololobov
a0cf902d49
Merge pull request #37588 from yaqi-zhao/avx512_tail_zero
...
add avx512 support for mergetree reader
2022-06-02 08:51:52 +03:00
Alexander Gololobov
26609a1875
Style fixes
2022-05-31 21:41:10 +02:00
yaqi-zhao
a2857491c4
add avx512 support for mergetreereader
2022-05-30 20:53:00 -04:00
Alexander Gololobov
e2dd6f6249
Removed prewhere_info.alias_actions
2022-05-30 19:58:23 +02:00
Alexander Gololobov
c484a1c269
Preserve order of virtual columns in the header and in data chunks when adding _part_offset together with other virtual columns
2022-04-25 12:10:56 +02:00
roverxu
29a842bf22
feat(...): [LWD] support getting _part_offset of a row
2022-03-15 15:40:10 +08:00
Maksim Kita
b1a956c5f1
clang-tidy check performance-move-const-arg fix
2022-03-02 18:15:27 +00:00
Amos Bird
d3bd8b5f93
Cosmetic fix
2022-02-17 14:31:22 +08:00
Amos Bird
6d62060e16
Build improvement
2022-01-17 22:36:27 +08:00
Nikita Mikhaylov
dbf5091016
Parallel reading from replicas ( #29279 )
2021-12-09 13:39:28 +03:00
kssenii
3d01fbf603
Review fixes
2021-10-28 11:32:37 +03:00
kssenii
9461e225bb
Merge branch 'master' of github.com:ClickHouse/ClickHouse into disk-async-read
2021-10-27 22:47:47 +03:00
Azat Khuzhin
16cd70aee9
Fix PREWHERE with WHERE in case of always true PREWHERE
2021-10-26 00:02:41 +03:00
kssenii
e4e157688d
Review fixes
2021-10-21 01:57:43 +03:00
kssenii
3d39ea8e37
Fix WHERE
2021-10-18 11:06:30 +03:00
kssenii
3995506d37
Adjust range reader for remote fs reads
2021-10-15 11:36:26 +03:00
Alexey Milovidov
fe6b7c77c7
Rename "common" to "base"
2021-10-02 10:13:14 +03:00
Nikolai Kochetov
bb4c11cd27
Merge pull request #27298 from ClickHouse/fix-23515
...
Fix bug from #23515 .
2021-08-09 23:25:30 +03:00
Nikolai Kochetov
4a00e402ae
Fix spelling.
2021-08-09 12:09:09 +03:00
Nikolai Kochetov
3cbeab8959
Fix incorrect row-level filtering
2021-08-06 21:16:06 +03:00
Nikolai Kochetov
7320411a7f
Fix bug from #23515 .
2021-08-06 16:39:11 +03:00
Nikolai Kochetov
bf827936b7
Rename PrewhereActions
2021-06-29 14:53:34 +03:00
Nikolai Kochetov
6bc0a628cd
Remove PrewhereDAGInfo.
2021-06-25 17:49:28 +03:00
Maksim Kita
67e9b85951
Merge ext into common
2021-06-16 23:28:41 +03:00
