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3892 Commits

Author SHA1 Message Date
Denny Crane
8a00be69b3
Update index.md 2023-05-24 10:40:33 -03:00
Dan Roscigno
c2f6999aca
Merge pull request #50157 from den-crane/Doc/greatest_least 
Doc. Move least/greatest to conditional-functions
 2023-05-24 09:01:58 -04:00
Kruglov Pavel
9545100c9e
Merge pull request #45427 from attack204/urlCluster 
Add urlCluster table function and refactor all *Cluster table functions
 2023-05-24 13:32:56 +02:00
Denny Crane
4a9b269cc4 move least/greatest to conditional-functions 2023-05-23 16:09:54 -03:00
Denny Crane
483a3cc5b1
Update comparison-functions.md 2023-05-23 15:59:08 -03:00
Robert Schulze
f4c73e94d2
Merge pull request #49989 from arenadata/ADQM-811 
Add support of Date|Date32 arguments to the toUnixTimestamp() function
 2023-05-23 08:55:56 +02:00
avogar
88e4c93abc Merge branch 'master' of github.com:ClickHouse/ClickHouse into urlCluster 2023-05-22 19:19:57 +00:00
Dan Roscigno
bb91e3ac2e
Merge pull request #50106 from ClickHouse/DanRoscigno-patch-5 
Dan roscigno patch 5
 2023-05-22 13:41:03 -04:00
DanRoscigno
eb7b5a5bb7 add more info to NLP docs 2023-05-22 13:02:39 -04:00
Dan Roscigno
ebff47ad3a
Update nlp-functions.md 2023-05-22 12:14:23 -04:00
Nikolay Degterinsky
d4b89cb643
Merge pull request #49356 from Ziy1-Tan/vcol 
Support for `_path` and `_file` virtual columns for table function `url`.
 2023-05-22 18:10:32 +02:00
Kruglov Pavel
b5cad024e0
Merge branch 'master' into urlCluster 2023-05-22 14:59:34 +02:00
Victor Krasnov
a7b641134a Follow the reviewer's recommendations regarding the documentation 2023-05-22 08:28:11 +00:00
Han Fei
2625696591
Merge branch 'master' into hanfei/regexp-doc 2023-05-21 23:42:01 +02:00
Robert Schulze
2a9ff30a7f
Merge pull request #49380 from azat/dict/hashed-memory 
Improve memory usage and speed of SPARSE_HASHED/HASHED dictionaries
 2023-05-21 15:46:41 +02:00
Robert Schulze
491cf8b6e1
Fix minor mistakes 2023-05-21 13:43:05 +00:00
Robert Schulze
9d9d4e3d62
Some fixups 2023-05-21 13:40:52 +00:00
Robert Schulze
312f751503
Uppercase remaining SQL keywords 2023-05-21 13:08:55 +00:00
Alexey Milovidov
2323542e47
Merge pull request #50022 from ClickHouse/geo-types-production-ready 
Geo types are production ready
 2023-05-20 02:02:23 +03:00
Dan Roscigno
1ded6d6409
Update grant.md 2023-05-19 16:53:26 -04:00
Dan Roscigno
1ef93e85aa
Merge branch 'master' into hanfei/regexp-doc 2023-05-19 14:23:23 -04:00
Alexey Milovidov
f5506210d6 Geo types are production ready 2023-05-19 12:43:55 +02:00
Azat Khuzhin
2b240d3721 Improve documentation for HASHED/SPARSE_HASHED/COMPLEX_KEY_HASHED/COMPLEX_KEY_SPARSE_HASHED 
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
 2023-05-19 06:07:21 +02:00
Azat Khuzhin
2996b38606 Add ability to configure maximum load factor for the HASHED/SPARSE_HASHED layout 
As it turns out, HashMap/PackedHashMap works great even with max load
factor of 0.99. By "great" I mean it least it works faster then
google sparsehash, and not to mention it's friendliness to the memory
allocator (it has zero fragmentation since it works with a continuious
memory region, in comparison to the sparsehash that doing lots of
realloc, which jemalloc does not like, due to it's slabs).

Here is a table of different setups:

settings                         | load (sec) | read (sec) | read (million rows/s) | bytes_allocated | RSS
-                                | -          | -          | -                     | -               | -
HASHED upstream                  | -          | -          | -                     | -               | 35GiB
SPARSE_HASHED upstream           | -          | -          | -                     | -               | 26GiB
-                                | -          | -          | -                     | -               | -
sparse_hash_map glibc hashbench  | -          | -          | -                     | -               | 17.5GiB
sparse_hash_map packed allocator | 101.878    | 231.48     | 4.32                  | -               | 17.7GiB
PackedHashMap 0.5                | 15.514     | 42.35      | 23.61                 | 20GiB           | 22GiB
hashed 0.95                      | 34.903     | 115.615    | 8.65                  | 16GiB           | 18.7GiB
**PackedHashMap 0.95**           | **93.6**   | **19.883** | **10.68**             | **10GiB**       | **12.8GiB**
PackedHashMap 0.99               | 26.113     | 83.6       | 11.96                 | 10GiB           | 12.3GiB

As it shows, PackedHashMap with 0.95 max_load_factor, eats 2.6x less
memory then SPARSE_HASHED in upstream, and it also 2x faster for read!

v2: fix grower
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
 2023-05-19 06:07:21 +02:00
Denny Crane
94fe224935
Update partition.md 2023-05-18 10:06:59 -03:00
Victor Krasnov
3c68d63213 Amend the toUnixTimestamp function documentation 2023-05-18 09:11:48 +00:00
Han Fei
549af4d351 address comments 2023-05-17 21:23:32 +02:00
Kruglov Pavel
4530f38fdf
Merge branch 'master' into urlCluster 2023-05-16 16:21:23 +02:00
Han Fei
7df0e9d933 fix broken link 2023-05-16 15:33:08 +02:00
Han Fei
a40d86b921
Update docs/en/sql-reference/dictionaries/index.md 
Co-authored-by: Sergei Trifonov <svtrifonov@gmail.com>
 2023-05-16 11:22:42 +02:00
Han Fei
ed5906f15d
Update docs/en/sql-reference/dictionaries/index.md 
Co-authored-by: Sergei Trifonov <svtrifonov@gmail.com>
 2023-05-16 11:22:31 +02:00
Han Fei
31b8e3c489
Update docs/en/sql-reference/dictionaries/index.md 
Co-authored-by: Sergei Trifonov <svtrifonov@gmail.com>
 2023-05-16 11:22:24 +02:00
Han Fei
e4e473ef30
Update docs/en/sql-reference/dictionaries/index.md 
Co-authored-by: Sergei Trifonov <svtrifonov@gmail.com>
 2023-05-16 11:22:14 +02:00
Han Fei
29aa960377 refine docs for regexp tree dictionary 2023-05-16 09:07:35 +02:00
Vitaly Baranov
bf3336a84e
Merge pull request #47640 from ilejn/row_policy_template 
Row policy for database
 2023-05-15 20:05:15 +02:00
avogar
f9e0eb47d7 Merge branch 'master' of github.com:ClickHouse/ClickHouse into urlCluster 2023-05-15 16:35:24 +00:00
robot-clickhouse
bec4edad65
Merge pull request #49856 from darkkeks/fix-date-time-functions-toc 
[docs] Remove "example" section from date-time-functions page toc
 2023-05-14 23:43:00 +02:00
Ilya Golshtein
7fa6ea4ccc row policy template: tests and code cleanup, code review changes 2023-05-13 22:30:02 +00:00
Nikolay Degterinsky
a2e7c77fe2
Merge pull request #49860 from ucasfl/doc 
update doc
 2023-05-13 23:26:40 +02:00
flynn
f775a466f7 update doc 2023-05-13 16:12:51 +00:00
Robert Schulze
0d9a6b5545
Update QPL docs 2023-05-13 13:26:47 +00:00
darkkeks
2b793e3a14 [docs] Remove "example" section from date-time-functions page toc 2023-05-13 16:22:17 +03:00
Alexey Milovidov
6df457dcaf
Merge pull request #49811 from jinjunzh/iaadeflate_swpath_compat 
qpl_deflate codec lower the minimum SIMD version to SSE 4.2
 2023-05-13 04:21:54 +03:00
Robert Schulze
f011421f32
Merge pull request #49825 from den-crane/patch-66 
Doc. Note about why Google CityHash <> cityHash64
 2023-05-12 20:01:58 +02:00
Yakko Majuri
eb6cbe63ee
Minor correction to example in COMMENT COLUMN 2023-05-12 11:54:53 -03:00
Robert Schulze
5133597661
+m 2023-05-12 16:51:47 +02:00
Robert Schulze
9d34233e65
Merge branch 'master' into iaadeflate_swpath_compat 2023-05-12 16:39:17 +02:00
Robert Schulze
5235f52de3
Small rewrite, removed note about farm hash (it seemed fragile: https://github.com/ClickHouse/ClickHouse/issues/8354#issuecomment-974808920) 2023-05-12 16:38:32 +02:00
jinjunzh
e72a6fe973 qpl-deflate codec lower the minimum SIMD version to SSE 4.2 2023-05-12 09:56:01 -04:00
DanRoscigno
0b9e575588 uplevel UDFs and link 2023-05-12 08:05:38 -04:00