owner stringclasses 14
values | repo stringclasses 14
values | id int64 116k 4.61B | issue_number int32 1 181k | author stringlengths 1 39 | body stringlengths 1 262k | created_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:16:18 | updated_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:22:56 | reactions unknown | author_association stringclasses 5
values |
|---|---|---|---|---|---|---|---|---|---|
ClickHouse | ClickHouse | 441,018,644 | 3,638 | alexey-milovidov | Yes, we can easily add `power` alias. | 2018-11-22T12:40:13 | 2018-11-22T12:40:13 | {} | MEMBER |
ClickHouse | ClickHouse | 441,177,255 | 721 | jorge-lavin | > Good evening.
> Seems that your container has no support for IPv6.
> Try to edit `/etc/clickhouse-server/config.xml` and set value of `<listen_host>` to `0.0.0.0` to listen wildcard IPv4 address. If there are more than one `<listen_host>`, leave just one.
I'm specifing that `<listen_host>` but I can't spawn a co... | 2018-11-23T08:20:03 | 2018-11-23T08:20:03 | {} | NONE |
ClickHouse | ClickHouse | 441,070,816 | 3,612 | levonet | @proller @alexey-milovidov @alesapin
И таки шо мне делать с PR?
Тут 2 строчки кода осталось, может посмотрите? | 2018-11-22T15:57:32 | 2018-11-22T15:57:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,136,272 | 3,617 | alexey-milovidov | libcurl is used only for interaction with "Key Management Server" (KMS).
I don't know whether the usage of KMS is mandatory. | 2018-11-23T00:12:17 | 2018-11-23T00:13:00 | {} | MEMBER |
ClickHouse | ClickHouse | 441,147,804 | 3,636 | xiaods | i use aliyun provider load balance proxy to nat clickhouse port 8123, maybe the ingress lb add health check to the port. let me check | 2018-11-23T03:04:04 | 2018-11-23T03:04:04 | {} | NONE |
ClickHouse | ClickHouse | 441,308,271 | 3,350 | alexey-milovidov | > Then is will dispatch on every iteration (codec_choose) and performance drops to as low as 1.03 GB/s.
It happens with multithreaded query execution:
- single thread: 490 MiB/s.
- 16 threads: 988 MiB/s.
Maybe this is due to poor implementation of `codec_choose` function. | 2018-11-23T19:35:45 | 2018-11-23T19:35:45 | {} | MEMBER |
ClickHouse | ClickHouse | 441,340,117 | 2,680 | alexey-milovidov | Now it works smoothly. I'll add a test. | 2018-11-24T03:15:47 | 2018-11-24T03:15:47 | {} | MEMBER |
ClickHouse | ClickHouse | 441,848,592 | 3,648 | calgs | Corrected Query [This worked].. Thanks so much!
```
WITH
0 AS StartingPosition,
[100, 5, 10] AS AddArr,
[5, 10, 25] AS ConsumeArray
SELECT arrayMap(day_idx -> ((arraySum(arraySlice(AddArr, 1, day_idx)) - arraySum(arraySlice(ConsumeArray, 1, day_idx))) + StartingPosition), range(length(AddArr)))
| 2018-11-27T00:11:10 | 2018-11-27T00:12:01 | {} | NONE |
ClickHouse | ClickHouse | 441,122,626 | 3,643 | alexey-milovidov | :+1: | 2018-11-22T21:29:58 | 2018-11-22T21:29:58 | {} | MEMBER |
ClickHouse | ClickHouse | 441,162,049 | 3,598 | nicelulu | @alesapin
Hello,thank you.
This is with -ss option and provide full output.
```
[root@server50-ke integration]# pytest -ss -k test_replicated_drop_partition
============================================================================================================================ test session starts ============... | 2018-11-23T06:09:01 | 2018-11-23T06:09:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,363,128 | 1,851 | xiaods | tcp health check is always trigger this error log. | 2018-11-24T12:04:54 | 2018-11-24T12:04:54 | {} | NONE |
ClickHouse | ClickHouse | 441,600,208 | 3,635 | KochetovNicolai | If your result set is not very big and can be placed to array, it's possible to calculate such aggregation using groupArray, arrayMap, arraySlice and sumArray functions.
It may be something like
```
groupArray(Sales) as sales_arr,
arrayMap(shift -> arraySum(arraySlice(sales_arr, shift, N)), range(length(sales_ar... | 2018-11-26T11:00:44 | 2018-11-26T11:00:44 | {} | MEMBER |
ClickHouse | ClickHouse | 441,605,490 | 2,211 | filimonov | Hm. Now i'm on another computer, and can't reproduce that either (even when opening shell to old pc).
So most probably it was something computer- / readline settings specific
Closing for now, i will add extra comments if i will have more details. | 2018-11-26T11:20:43 | 2018-11-26T11:20:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,089,306 | 3,377 | alexey-milovidov | > There is a problem now that comments copies in declarations of materialized and aliased columns.
It looks ugly in desc query and similar.
Please provide an example on how ugly it is.
Maybe it is tolerable. | 2018-11-22T17:20:37 | 2018-11-22T17:20:37 | {} | MEMBER |
ClickHouse | ClickHouse | 441,463,727 | 3,660 | blinkov | cc @zhang2014 @sundy-li | 2018-11-25T19:01:20 | 2018-11-25T19:01:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,631,735 | 3,667 | proller | What clickhouse version you have installed?
chown started with '-' symbol - errors should be ignored.
https://github.com/yandex/ClickHouse/blob/master/debian/clickhouse-server.service#L11
Also these chown will be removed here soon: https://github.com/yandex/ClickHouse/pull/2443 | 2018-11-26T13:04:24 | 2018-11-26T13:04:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,697,012 | 3,672 | KochetovNicolai | What is the partition key? Can you show `SHOW CREATE TABLE`? | 2018-11-26T16:11:10 | 2018-11-26T16:11:10 | {} | MEMBER |
ClickHouse | ClickHouse | 441,819,505 | 3,579 | 4n70w4 | Any news? | 2018-11-26T22:12:22 | 2018-11-26T22:12:22 | {} | NONE |
ClickHouse | ClickHouse | 441,073,509 | 3,377 | s-mx | There is a problem now that comments copies in declarations of materialized and aliased columns.
It looks ugly in desc query and similar. | 2018-11-22T16:07:47 | 2018-11-22T16:07:47 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,306,442 | 3,350 | alexey-milovidov | Ok.
The codec is correctly selected on my test server (AVX on E5-2650 v2).
```
SELECT count() FROM hits_1000m_transformed WHERE base64Decode(base64Encode(URL)) != URL
```
- 5.72 GB/s.
TODO: check what happens if I compile on a machine without certain instruction set and run on machine with that instruction se... | 2018-11-23T19:20:06 | 2018-11-23T19:20:06 | {} | MEMBER |
ClickHouse | ClickHouse | 441,560,063 | 2,577 | xiaods | @rpfennin got it. thanks for your remind | 2018-11-26T08:44:54 | 2018-11-26T08:44:54 | {} | NONE |
ClickHouse | ClickHouse | 441,614,285 | 2,211 | blinkov | @filimonov as most other C/C++ alternatives it's too basic to support stuff like inline syntax highlighting. | 2018-11-26T11:56:55 | 2018-11-26T11:56:55 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,645,637 | 3,659 | 754154377 | > Do you mean that you what to push down WHERE predicate from main query to VIEW? There is a setting `enable_optimize_predicate_expression`. Try to enable it and check if it works for your case.
For Example: To express my thoughts, I have fabricated the following functions, which do not actually exist.
create table... | 2018-11-26T13:51:54 | 2018-11-26T13:51:54 | {} | NONE |
ClickHouse | ClickHouse | 441,680,370 | 3,592 | kanterov | @alexey-milovidov did you have a chance to take a look? | 2018-11-26T15:31:42 | 2018-11-26T15:31:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,990,281 | 3,672 | KochetovNicolai | You can enable [part_log](https://clickhouse.yandex/docs/en/single/#part_log) to see what happens with parts.
Also the number of partitions can't decrease. Probably, you are talking about parts. All parts from all partitions are stored in the same folder. And only parts from the same partition can be merged. | 2018-11-27T09:34:29 | 2018-11-27T09:34:29 | {} | MEMBER |
ClickHouse | ClickHouse | 441,113,823 | 3,615 | champtar | Fixed with #3632 | 2018-11-22T20:12:41 | 2018-11-22T20:12:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,126,108 | 3,539 | alexey-milovidov | Resolved in c0e97a97cd256e2e35239e43e437e35da7c9329d | 2018-11-22T22:00:56 | 2018-11-22T22:00:56 | {} | MEMBER |
ClickHouse | ClickHouse | 441,307,408 | 3,350 | alexey-milovidov | > All vectorized instructions shows nearly same performance, actually.
On your query I also have the same results:
Queries executed: 71.
170.397 MiB/s for SSE42
181.017 MiB/s for AVX | 2018-11-23T19:28:24 | 2018-11-23T19:28:24 | {} | MEMBER |
ClickHouse | ClickHouse | 441,374,859 | 3,636 | den-crane | `<Trace>` -- it's not an error
You need to change log level.
Log levels are trace, debug, information, warning, error (in decreasing verbosity). Try debug.
https://clickhouse.yandex/docs/en/operations/server_settings/settings/#logger | 2018-11-24T15:18:08 | 2018-11-24T15:18:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,406,595 | 2,211 | alexey-milovidov | Cannot reproduce on Ubuntu.
Note that we link with readline (or libedit) library from OS. That makes it depend on exact version of readline that OS has at the build time. | 2018-11-25T00:42:37 | 2018-11-25T00:49:58 | {} | MEMBER |
ClickHouse | ClickHouse | 441,069,960 | 3,589 | alexey-milovidov | In stable release. | 2018-11-22T15:54:24 | 2018-11-22T15:54:24 | {} | MEMBER |
ClickHouse | ClickHouse | 441,113,853 | 3,615 | champtar | Thanks @KochetovNicolai | 2018-11-22T20:12:50 | 2018-11-22T20:12:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,312,726 | 3,406 | alexey-milovidov | https://gist.github.com/alexey-milovidov/9cbbc2916f8d946594049d424487e458
Now the `uniqHLL12` function can be considered obsolete. | 2018-11-23T20:15:56 | 2018-11-23T20:15:56 | {} | MEMBER |
ClickHouse | ClickHouse | 441,634,941 | 2,443 | filimonov | 👍
Это была одна из претензий наших ОПсов к кликхаусу :) | 2018-11-26T13:16:07 | 2018-11-26T13:16:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,781,304 | 3,659 | den-crane | You don't need parameters, it works out the box
If you create view like
create view view_shop_sale as **select event_date, shop_id, sale_amt from shop_sale**
**enable_optimize_predicate_expression = 0**
select * from view_shop_sale where eventDate= '2000-01-01' and shopId= 'AB01'
will be executed as
select... | 2018-11-26T20:12:30 | 2018-11-26T20:12:30 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,142,578 | 3,636 | xiaods | in telegram,
Alexey Milovidov, [22.11.18 21:43]
[In reply to Tommy xiao]
Maybe it is related to some health checks? I have no experience with kubernetes, but if it just connects to the port and closing connection immediately, these error messages just show it.
| 2018-11-23T01:51:41 | 2018-11-23T01:51:41 | {} | NONE |
ClickHouse | ClickHouse | 441,300,604 | 3,584 | alexey-milovidov | For Enum data types, the implicit default (that is used in totals) is the value with minimal numeric value.
This is documented.
| 2018-11-23T18:32:42 | 2018-11-23T18:32:42 | {} | MEMBER |
ClickHouse | ClickHouse | 441,589,050 | 3,656 | KochetovNicolai | Same error for system.numbers:
```sql
SELECT
formatReadableSize(number) AS number,
number AS a
FROM system.numbers
LIMIT 1
Received exception from server (version 18.14.2):
Code: 43. DB::Exception: Received from localhost:9000, ::1. DB::Exception: Cannot format String as size in bytes.
``` | 2018-11-26T10:22:43 | 2018-11-26T10:22:43 | {} | MEMBER |
ClickHouse | ClickHouse | 441,843,516 | 3,635 | calgs | Learning something new (and nice) every time. This is neat. Thank you so much. | 2018-11-26T23:45:58 | 2018-11-26T23:45:58 | {
"laugh": 1
} | NONE |
ClickHouse | ClickHouse | 441,993,600 | 3,677 | KochetovNicolai | From stacktrace I can assume that the issue the same as in #3615 which was fixed in #3632 .
Fix is not in any release yet, but you can build from master if you want to check it. | 2018-11-27T09:44:35 | 2018-11-27T09:44:35 | {} | MEMBER |
ClickHouse | ClickHouse | 441,216,556 | 3,377 | s-mx | > > There is a problem now that comments copies in declarations of materialized and aliased columns.
> > It looks ugly in desc query and similar.
>
> Please provide an example on how ugly it is.
> Maybe it is tolerable.
Never mind. I wrote down a note about that long ago and now I can't figure out what I meant. | 2018-11-23T11:23:17 | 2018-11-23T11:23:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,612,493 | 3,657 | proller | fixed here - https://github.com/yandex/ClickHouse/commit/ad6ae4fdbea33b5c56ed7674611c7794974c71b6 | 2018-11-26T11:49:34 | 2018-11-26T11:49:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,667,524 | 3,669 | champtar | Hi @Enmk @alexey-milovidov is there any plans to have an IP datatype where you can have both IPv4 and IPv6 ? Right now I'm storing all IPs as a FixedString(16) so it's way simpler when querying | 2018-11-26T14:57:04 | 2018-11-26T14:57:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,716,577 | 3,672 | M1ha-Shvn | Hmm... Two hours passed since I've investigated the problem, disabled import and created the issue. Inserting data has been disabled for this time. And now all partitions are merged... Strange thing, as there were no merge processes in system.merges when I stopped working on the issue (I've investigated for several hou... | 2018-11-26T17:03:05 | 2018-11-26T17:03:05 | {} | NONE |
ClickHouse | ClickHouse | 441,964,918 | 3,677 | shangshujie365 | 18.14.13 | 2018-11-27T08:10:29 | 2018-11-27T08:10:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,064,069 | 3,640 | polischouckserg | Thank you for pointing this out. | 2018-11-22T15:32:47 | 2018-11-22T15:32:47 | {} | NONE |
ClickHouse | ClickHouse | 441,072,385 | 3,614 | champtar | building master + #3632 now, results soon | 2018-11-22T16:03:26 | 2018-11-22T16:03:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,124,769 | 3,612 | alexey-milovidov | Впрочем, так как это было дополнительным пунктом, то просто мержим. | 2018-11-22T21:50:27 | 2018-11-22T21:50:27 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 441,315,012 | 3,617 | alexey-milovidov | > KMS is not mandatory, maybe we can tail it or updating HttpClient using Poco::Net lib
It's not really necessarily to rewrite parts of library :)
The only intent is to avoid/postpone full integration of `libcurl` to our build system, if we can start without it.
There are also possible security implications of usi... | 2018-11-23T20:38:58 | 2018-11-23T20:38:58 | {} | MEMBER |
ClickHouse | ClickHouse | 441,365,305 | 2,577 | rpfennin | it wasn't anything i needed to resolve. the logs are still a tad noisy but it doesn't affect anything. it was just related to the haproxy check. | 2018-11-24T12:42:06 | 2018-11-24T12:42:06 | {} | NONE |
ClickHouse | ClickHouse | 441,406,853 | 2,211 | alexey-milovidov | Need steps to reproduce.
PS. We have to rewrite readline library eventually. | 2018-11-25T00:49:29 | 2018-11-25T00:49:29 | {} | MEMBER |
ClickHouse | ClickHouse | 441,406,803 | 2,211 | alexey-milovidov | Cannot reproduce on Centos 7 in Docker with Altinity RPM packages:
```
docker run -it centos:centos7
yum install curl sudo
curl -s https://packagecloud.io/install/repositories/Altinity/clickhouse/script.rpm.sh | sudo bash
yum install clickhouse-client clickhouse-server
sudo /etc/init.d/clickhouse-server start
... | 2018-11-25T00:48:14 | 2018-11-25T00:51:11 | {} | MEMBER |
ClickHouse | ClickHouse | 441,698,940 | 3,672 | KochetovNicolai | Also you can check the number of parts in each partition to understand where the problem is:
```SQL
SELECT
database,
table,
partition,
count()
FROM system.parts
WHERE active
GROUP BY
database,
table,
partition
ORDER BY count() DESC
``` | 2018-11-26T16:16:08 | 2018-11-26T16:16:08 | {} | MEMBER |
ClickHouse | ClickHouse | 441,864,860 | 3,659 | 754154377 | > You don't need parameters, it works out the box
>
> If you create view like
> create view view_shop_sale as **select event_date, shop_id, sale_amt from shop_sale**
>
> **enable_optimize_predicate_expression = 0**
> select * from view_shop_sale where eventDate= '2000-01-01' and shopId= 'AB01'
> will be execut... | 2018-11-27T01:36:30 | 2018-11-27T01:36:30 | {} | NONE |
ClickHouse | ClickHouse | 442,003,015 | 3,676 | proller | Can you try install latest clickhouse v18.14.15 ? | 2018-11-27T10:13:36 | 2018-11-27T10:13:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,142,643 | 3,636 | xiaods | i know kubernetes service use proxy to NAT port, it should be check the port health check, i have no idea how to resolve it, let me have try to resolve it. | 2018-11-23T01:52:39 | 2018-11-23T01:52:39 | {} | NONE |
ClickHouse | ClickHouse | 441,309,132 | 3,350 | alexey-milovidov | This is due to write to a global variable ("false sharing") in "codec_choose_forced" method. | 2018-11-23T19:43:26 | 2018-11-23T19:43:26 | {} | MEMBER |
ClickHouse | ClickHouse | 441,328,052 | 3,584 | alexey-milovidov | This trick will help:
```
select toNullable(os_name) AS os_name, count() from analytics.apps_sessions group by os_name WITH TOTALS
``` | 2018-11-23T23:08:15 | 2018-11-23T23:08:27 | {} | MEMBER |
ClickHouse | ClickHouse | 441,487,738 | 2,668 | champtar | Doing some more tests, clickhouse is already doing some parallel aggregation
```
<Debug> executeQuery: (from [::1]:46112) SELECT quantilesTDigest(0.5,0.9,0.99)(response_size) from analytics.vme1
<Debug> analytics.vme1 (SelectExecutor): Key condition: unknown
<Debug> analytics.vme1 (SelectExecutor): MinMax index c... | 2018-11-26T00:24:20 | 2018-11-26T00:24:20 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,608,162 | 3,648 | KochetovNicolai | Now I don't know if you can calculate something dependent on previously calculated values (I think it's not possible for general case now). However, for your example you can avoid such calculations because
```
EndingPosition = sum(Added for prev. days) - sum(Consumed for prev. days) + StartingPosition_Day1
```
You... | 2018-11-26T11:31:31 | 2018-11-26T11:31:31 | {} | MEMBER |
ClickHouse | ClickHouse | 442,005,871 | 3,674 | proller | ```docker stop postgres``` - Are you sure in postgres name?
No ideas. | 2018-11-27T10:22:17 | 2018-11-27T10:22:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 442,025,097 | 3,676 | alexey-milovidov | Latest ClickHouse works on CentOS 6. | 2018-11-27T11:28:01 | 2018-11-27T11:28:01 | {} | MEMBER |
ClickHouse | ClickHouse | 442,025,373 | 3,676 | alexey-milovidov | ```
docker run -it centos:6 /bin/bash
yum install wget
wget --no-check-certificate https://repo.yandex.ru/clickhouse/deb/stable/main/clickhouse-common-static_18.14.15_amd64.deb
ar x clickhouse-common-static_18.14.15_amd64.deb
tar xf data.tar.gz
./usr/bin/clickhouse local --query "SELECT 1"
``` | 2018-11-27T11:29:07 | 2018-11-27T11:29:07 | {} | MEMBER |
ClickHouse | ClickHouse | 441,113,966 | 3,632 | champtar | I confirm this fix #3615, thanks @KochetovNicolai | 2018-11-22T20:13:42 | 2018-11-22T20:13:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,136,179 | 3,617 | alexey-milovidov | ```
~/work/libhdfs3/src$ grep -i -r uuid_ .
./rpc/RpcClient.cpp: uuid_t id;
./rpc/RpcClient.cpp: uuid_generate(id);
./rpc/RpcClient.cpp: clientId.resize(sizeof(uuid_t));
./rpc/RpcClient.cpp: memcpy(&clientId[0], id, sizeof(uuid_t));
./CMakeLists.txt: TARGET_LINK_LIBRARIES(libhdfs3-static ${LIBUUID_... | 2018-11-23T00:10:44 | 2018-11-23T00:10:44 | {} | MEMBER |
ClickHouse | ClickHouse | 441,217,168 | 1,522 | apisarenco | I got a similar error:
> Unknown packet 52 from client
```
2018.11.23 13:29:28.818418 [ 45 ] {} <Error> HTTPHandler: Code: 62, e.displayText() = DB::Exception: Syntax error: failed at position 38 (end of query): . Expected WHERE, e.what() = DB::Exception, Stack trace:
0. /usr/bin/clickhouse-server(StackTrace::S... | 2018-11-23T11:26:14 | 2018-11-23T12:50:11 | {} | NONE |
ClickHouse | ClickHouse | 441,310,187 | 3,350 | alexey-milovidov | (Solution: simply do not use "flag" argument of functions.) | 2018-11-23T19:53:02 | 2018-11-23T19:53:02 | {} | MEMBER |
ClickHouse | ClickHouse | 441,505,635 | 3,393 | shangshujie365 | @proller our os is centos, so, we should build ourselves | 2018-11-26T03:03:14 | 2018-11-26T03:03:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,586,004 | 3,658 | KochetovNicolai | What is the dictionary layout and lifetime? Is it possible that dictionary had updated between queries?
Can you look for some ids which appeared or disappeared and check what `dictHas` function returns for them? Can you check also if reading from external dictionary returns different results sometimes?
It also woul... | 2018-11-26T10:12:49 | 2018-11-26T10:12:49 | {} | MEMBER |
ClickHouse | ClickHouse | 441,632,359 | 3,667 | Mottl | > What clickhouse version you have installed?
Latest from repo
> Also these chown will be removed here soon: #2443
Thanks! | 2018-11-26T13:06:47 | 2018-11-26T13:06:47 | {} | NONE |
ClickHouse | ClickHouse | 441,954,792 | 3,677 | blinkov | @shangshujie365 which ClickHouse version are you using? | 2018-11-27T07:24:49 | 2018-11-27T07:24:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,019,505 | 3,638 | dfulachier | Thank you Alexey for your very quick answer (I was not able to measure the time it took, you were too fast ;-).
Surely a simple way to improve ClickHouse SQL standards conformity, and ClickHouse support for Tableau BI. | 2018-11-22T12:43:42 | 2018-11-22T12:43:42 | {} | NONE |
ClickHouse | ClickHouse | 441,285,348 | 3,584 | abyss7 | Can you show your `CREATE TABLE` statement? Or at least `os_name` definition? | 2018-11-23T16:51:47 | 2018-11-23T16:51:47 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,360,877 | 3,636 | xiaods | one possible solution:
because LB need health check port alive, i update config to change to http 8123 check, it get thing done. but it will trigger another log for me:
```
2018.11.24 19:19:10.147187 [ 65 ] {} <Trace> HTTPHandler-factory: HTTP Request for HTTPHandler-factory. Method: GET, Address: 192.168.3.68:489... | 2018-11-24T11:22:41 | 2018-11-24T11:22:41 | {} | NONE |
ClickHouse | ClickHouse | 441,610,491 | 2,211 | filimonov | BTW: Rewriting readline is an overkill. But there are quite nice readline alternatives, for example I have positive experience with [linenoise](https://github.com/antirez/linenoise ) - it's tiny, BSD licenced, quite mature, can be easelly plugged instead of readline. | 2018-11-26T11:41:13 | 2018-11-26T11:41:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,622,451 | 2,211 | filimonov | You're talking about something like https://github.com/prompt-toolkit/python-prompt-toolkit ? Reimplementing that (even some subset of that) in c/c++ is a quite huge task. | 2018-11-26T12:30:04 | 2018-11-26T12:30:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,718,468 | 3,672 | M1ha-Shvn | I've also tried calling `OPTIMIZE TABLE` with no results | 2018-11-26T17:08:28 | 2018-11-26T17:08:28 | {} | NONE |
ClickHouse | ClickHouse | 441,846,156 | 3,648 | calgs | Thanks.
Were you trying to propose something like this
```
WITH
0 AS StartingPosition,
[100, 5, 10] AS AddArr,
[5, 10, 25] AS ConsumeArray
SELECT arrayMap(day_idx -> ((sumArray(arraySlice(AddArr, 0, day_idx)) - sumArray(arraySlice(ConsumeArray, 0, day_idx))) + StartingPosition), range(length(A... | 2018-11-26T23:59:11 | 2018-11-27T00:09:06 | {} | NONE |
ClickHouse | ClickHouse | 441,886,979 | 3,668 | zhang2014 | @blinkov Thanks | 2018-11-27T03:22:29 | 2018-11-27T03:22:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 442,000,204 | 3,659 | KochetovNicolai | Yes, you can create view on any replica (or on cluster itself).
If you need several shards you can also create distributed table over views. | 2018-11-27T10:04:56 | 2018-11-27T10:04:56 | {} | MEMBER |
ClickHouse | ClickHouse | 441,052,456 | 3,640 | blinkov | That's deprecated method of creating MergeTree tables and you are referencing old unofficial docs. | 2018-11-22T14:49:40 | 2018-11-22T14:49:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,124,584 | 3,612 | alexey-milovidov | Если сейчас помержить, по получится, что одна из изначальных задач данного PR не решена (остановка odbc-bridge при завершении clickhouse-server). Последние два дня выясняли, почему он не останавливается сам. И в результате, есть такой PR: #3642 | 2018-11-22T21:49:03 | 2018-11-22T21:49:03 | {} | MEMBER |
ClickHouse | ClickHouse | 441,226,079 | 3,617 | chenxing-xc | > libcurl is used only for interaction with "Key Management Server" (KMS).
> I don't know whether the usage of KMS is mandatory.
KMS is not mandatory, maybe we can tail it or updating HttpClient using Poco::Net lib | 2018-11-23T12:12:10 | 2018-11-23T12:12:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,413,231 | 3,636 | xiaods | @den-crane got it. thanks a lot. | 2018-11-25T03:49:57 | 2018-11-25T03:49:57 | {} | NONE |
ClickHouse | ClickHouse | 441,562,625 | 3,598 | alesapin | I think you have some misconfiguration in your system, but now you can use [runner](https://github.com/yandex/ClickHouse/tree/master/dbms/tests/integration#running-with-runner-script) script in dbms/test/integration for integration tests. It doesn't require any dependencies and configuration -- only docker. Try it out. | 2018-11-26T08:54:10 | 2018-11-26T08:54:10 | {} | MEMBER |
ClickHouse | ClickHouse | 441,603,874 | 3,657 | KochetovNicolai | #3631 | 2018-11-26T11:14:38 | 2018-11-26T11:14:38 | {} | MEMBER |
ClickHouse | ClickHouse | 441,646,924 | 3,668 | blinkov | This touches docs/zh too @zhang2014 @sundy-li | 2018-11-26T13:56:15 | 2018-11-26T13:56:15 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,114,358 | 3,614 | champtar | can't reproduce on master + #3632 (https://github.com/champtar/ClickHouse/commit/2a8b78d8ef6e492fca8be2c78def7fe4c1aa0934)
Thanks | 2018-11-22T20:17:04 | 2018-11-22T20:17:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,124,017 | 3,617 | alexey-milovidov | We have to put all required libraries as contrib submodules. But it's Ok to start testing with system libraries. You can add the required libraries here:
https://github.com/yandex/ClickHouse/blob/master/docker/packager/binary/Dockerfile
for tests to be run. | 2018-11-22T21:43:14 | 2018-11-22T21:43:14 | {} | MEMBER |
ClickHouse | ClickHouse | 441,363,238 | 2,577 | xiaods | @rpfennin i came across same issue, do you resolve this issue? | 2018-11-24T12:06:43 | 2018-11-24T12:06:43 | {} | NONE |
ClickHouse | ClickHouse | 441,569,276 | 3,587 | blinkov | @SkeLLLa these properties are kind of independent of each other:
1. **high quality** usually means having stable public interface, reasonable test coverage and infrastructure (including integration tests), easy-to-understand and detailed enough documentation, lack of serious issues and so on.
2. **official** usually ... | 2018-11-26T09:17:22 | 2018-11-26T09:17:22 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,581,778 | 3,659 | KochetovNicolai | Do you mean that you what to push down WHERE predicate from main query to VIEW? There is a setting `enable_optimize_predicate_expression`. Try to enable it and check if it works for your case. | 2018-11-26T09:58:41 | 2018-11-26T09:58:41 | {
"confused": 1
} | MEMBER |
ClickHouse | ClickHouse | 441,607,843 | 2,211 | filimonov | I'm suspecting it was caused by that:
```
➜ cat ~/.inputrc
set blink-matching-paren on
``` | 2018-11-26T11:30:16 | 2018-11-26T11:30:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,176,236 | 3,617 | chenxing-xc | > ```
> ~/work/libhdfs3/src$ grep -i -r uuid_ .
> ./rpc/RpcClient.cpp: uuid_t id;
> ./rpc/RpcClient.cpp: uuid_generate(id);
> ./rpc/RpcClient.cpp: clientId.resize(sizeof(uuid_t));
> ./rpc/RpcClient.cpp: memcpy(&clientId[0], id, sizeof(uuid_t));
> ./CMakeLists.txt: TARGET_LINK_LIBRARIES(libhdfs3-sta... | 2018-11-23T08:13:44 | 2018-11-23T08:13:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 441,243,911 | 3,617 | alexey-milovidov | > how about replace it with boost::uuid lib?
It's Ok if it doesn't have extra dependencies. We need to just create a wrapper with single function (fake libuuid). | 2018-11-23T13:40:55 | 2018-11-23T13:40:55 | {} | MEMBER |
ClickHouse | ClickHouse | 441,313,051 | 2,073 | alexey-milovidov | We have added parameter to the `uniqCombined` function to tune the HLL quality/space in #3406.
But we still have to:
- dig into links you shared;
- change the hash function and introduce new aggregate function like `uniqEnhanced`. | 2018-11-23T20:19:12 | 2018-11-23T20:19:12 | {} | MEMBER |
ClickHouse | ClickHouse | 441,328,497 | 3,638 | alexey-milovidov | In master. | 2018-11-23T23:14:25 | 2018-11-23T23:14:25 | {} | MEMBER |
ClickHouse | ClickHouse | 441,359,643 | 3,636 | xiaods | i have confirm my cloud provider LB will arbitrary check port is alive, the action will caused the log is still happy, anyone know how to disable the error report? | 2018-11-24T11:02:01 | 2018-11-24T11:02:01 | {} | NONE |
ClickHouse | ClickHouse | 441,712,845 | 3,672 | M1ha-Shvn | ```sql
CREATE TABLE carrot.chevent (
_version UInt32 DEFAULT CAST(0, 'UInt32'),
id UInt64 DEFAULT CAST(0, 'UInt64'),
created DateTime DEFAULT CAST('0000000000', 'DateTime'),
app_id UInt64 DEFAULT CAST(0, 'UInt64'),
type_id UInt64 DEFAULT CAST(0, 'UInt64'),
user_id UInt64 DEFAULT CAST(0... | 2018-11-26T16:53:00 | 2018-11-26T16:53:00 | {} | NONE |
ClickHouse | ClickHouse | 442,023,706 | 3,676 | alexey-milovidov | https://github.com/yandex/ClickHouse/blob/master/CHANGELOG.md#bug-fixes-4 | 2018-11-27T11:22:59 | 2018-11-27T11:22:59 | {} | MEMBER |
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