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 | 706,740,105 | 15,835 | misja-alma | Thanks, I checked and you are right. I don't know what went wrong the first time but I recreated the table and now things seem to work correctly. Also nice that the index can also be used in LIKE queries, as long as I add the comma's.
However, I noticed that the difference starts to become smaller when there are mor... | 2020-10-11T17:39:37 | 2020-10-11T18:10:40 | {} | NONE |
ClickHouse | ClickHouse | 706,861,413 | 8,301 | filimonov | I think there are more places like this, but that exact issue is fixed in #11900 | 2020-10-12T05:02:59 | 2020-10-12T05:02:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,931,127 | 12,078 | filimonov | Doesn't reproduced on >= 20.5 | 2020-10-12T07:26:10 | 2020-10-12T07:26:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,052,078 | 15,610 | filimonov | > Hello,
> I have kind of the same issue with Clickhouse-Copier in version 20.9.2.20
Most probably you have completely different issue. Please provide exact error message you have with stacktrace (from logs). | 2020-10-12T11:06:05 | 2020-10-12T11:06:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,180,530 | 12,470 | alesapin | `test_host_ip_change/test.py::test_ip_change_update_dns_cache` flaky in this branch. | 2020-10-12T15:13:36 | 2020-10-12T15:13:36 | {} | MEMBER |
ClickHouse | ClickHouse | 707,309,401 | 15,236 | alesapin | Wow! Nothing failed. | 2020-10-12T19:40:02 | 2020-10-12T19:40:02 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 707,340,671 | 15,843 | alexey-milovidov | > 01509_check_many_parallel_quorum_inserts
Flaky test. | 2020-10-12T20:53:57 | 2020-10-12T20:53:57 | {} | MEMBER |
ClickHouse | ClickHouse | 706,682,506 | 15,809 | alexey-milovidov | > Docs check — Found 1 errors
Infrastructure error. | 2020-10-11T10:22:09 | 2020-10-11T10:22:09 | {} | MEMBER |
ClickHouse | ClickHouse | 706,705,205 | 15,832 | den-crane | You need to map ports from docker to a host. `-p 8123:8123`
```bash
$ docker run -d --name zx --ulimit nofile=262144:262144 -p 8123:8123 -p 9000:9000 yandex/clickhouse-server:latest
$ curl localhost:9000
Port 9000 is for clickhouse-client program.
You must use port 8123 for HTTP.
$ curl localhost:8123
Ok.... | 2020-10-11T13:30:18 | 2020-10-11T13:30:18 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,710,971 | 15,841 | guxiaobo | After installing ccache using brew install ccache, there is only the objcopy problem left. | 2020-10-11T14:14:39 | 2020-10-11T14:15:20 | {} | NONE |
ClickHouse | ClickHouse | 706,712,960 | 15,497 | alexey-milovidov | I will add a few more tests and merge.
PS. I hope it's Ok to not print fractional parts of seconds? It's easy to do but I'm afraid of too much logic inside this function... | 2020-10-11T14:28:59 | 2020-10-11T14:28:59 | {} | MEMBER |
ClickHouse | ClickHouse | 706,889,435 | 15,792 | filimonov | Regression, versions <= 19.17 work as expected. | 2020-10-12T06:10:09 | 2020-10-12T06:10:09 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 671,660,254 | 13,101 | spihiker | 最新的稳定版(20.5.4.40)也有这样的问题。
```
2020.08.11 08:37:07.819541 [ 13943 ] {} <Fatal> BaseDaemon: ########################################
2020.08.11 08:37:07.819566 [ 13943 ] {} <Fatal> BaseDaemon: (version 20.5.4.40 (official build), no build id) (from thread 11610) (query_id: e8520b9e-75aa-47bd-aab5-e80eaf5dce65) Receive... | 2020-08-11T00:45:53 | 2020-10-12T08:53:29 | {} | NONE |
ClickHouse | ClickHouse | 706,683,510 | 15,736 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:30:50 | 2020-10-11T10:30:50 | {} | MEMBER |
ClickHouse | ClickHouse | 706,829,173 | 15,802 | y45398jp123 | thanks so much for reply, quick and professional ! | 2020-10-12T03:04:26 | 2020-10-12T03:04:26 | {} | NONE |
ClickHouse | ClickHouse | 707,227,289 | 15,848 | qinglok | Yes, it seems to solve the problem.
Another question about AggregatingMergeTree is why there is no data in the tables of the AggregatingMergeTree engine after the CH service is restarted? | 2020-10-12T16:39:43 | 2020-10-12T16:39:43 | {} | NONE |
ClickHouse | ClickHouse | 707,309,043 | 15,852 | alesapin | Error found by fuzzer https://gist.github.com/alesapin/093e3af97fb3144ccc4ea6e977d290e5 | 2020-10-12T19:39:16 | 2020-10-12T19:39:16 | {} | MEMBER |
ClickHouse | ClickHouse | 707,328,372 | 15,876 | alexey-milovidov | Yes, it applies universally.
switchover
fover
... | 2020-10-12T20:24:52 | 2020-10-12T20:24:52 | {} | MEMBER |
ClickHouse | ClickHouse | 706,691,393 | 15,840 | alexey-milovidov | Not a bugfix. | 2020-10-11T11:37:12 | 2020-10-11T11:37:12 | {} | MEMBER |
ClickHouse | ClickHouse | 706,815,869 | 15,775 | yisany | oh, thanks. | 2020-10-12T02:08:57 | 2020-10-12T02:08:57 | {} | NONE |
ClickHouse | ClickHouse | 706,856,084 | 15,471 | zhang2014 | #15767 is better. | 2020-10-12T04:44:59 | 2020-10-12T04:44:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,982,363 | 13,101 | filimonov | @spihiker please try to minimize the example, i.e. remove the element of the query one by one while the issue keep reproducing.
After that - provide the minimized query which fails together with table definitions. Otherwise we can't help you.
| 2020-10-12T08:56:30 | 2020-10-12T08:56:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,061,736 | 14,053 | Zer0Divis0r | @filimonov , yes, I have simplified this case, and have the dataset that clearly shows unexpected behavior:
```
CREATE TABLE default.sessions_test13 (
`a` Date,
`b` UInt16,
`c.d` Array(Date),
`dcount` UInt16 ALIAS length(c.d)
) ENGINE = MergeTree PARTITION BY toMonday(a)
ORDER BY
(a, b) SETTINGS in... | 2020-10-12T11:27:09 | 2020-10-12T11:27:09 | {} | NONE |
ClickHouse | ClickHouse | 707,180,511 | 14,053 | den-crane | @Zer0Divis0r you need to upgrade CH to 20.3.20.6
```
20.3.20.6
SELECT
count(),
min(length(c.d)) AS minExpr,
min(dcount) AS minAlias,
max(length(c.d)) AS maxExpr,
max(dcount) AS maxAlias,
b
FROM default.sessions_test13
GROUP BY b
┌─count()─┬─minExpr─┬─minAlias─┬─maxExpr─┬─maxAli... | 2020-10-12T15:13:35 | 2020-10-12T15:14:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,182,593 | 14,053 | den-crane | I'll add tests for this case. | 2020-10-12T15:16:59 | 2020-10-12T15:16:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,291,032 | 15,520 | nikitamikhaylov | Backported to 20.3 here https://github.com/ClickHouse/ClickHouse/pull/9624/commits/b0e4db3b36c2bdce8b91e4a3916031e9dab57369, will be in the next patch release. | 2020-10-12T18:56:30 | 2020-10-12T18:57:07 | {} | MEMBER |
ClickHouse | ClickHouse | 706,682,838 | 15,809 | alexey-milovidov | > launch something if you use a customized terminal
This will be useful for `EXPLAIN PIPELINE graph = 1`: https://presentations.clickhouse.tech/meetup46/explain.pdf
To open a window with graph viewer... | 2020-10-11T10:24:47 | 2020-10-11T10:24:47 | {} | MEMBER |
ClickHouse | ClickHouse | 706,706,444 | 15,835 | den-crane | What CH version do you use? | 2020-10-11T13:40:03 | 2020-10-11T13:40:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,784,482 | 5,293 | heyciao | > @heyciao We cannot use notice because it goes to the error log, see the details in #15531
> What we can do instead is to lower the level of these messages:
>
> ```
> <Information> TCPHandler: Processed in 0.025 sec.
> ```
Not sure about what you mean with "lower". Anyway it's for sure ok as long as it separa... | 2020-10-11T23:24:22 | 2020-10-11T23:28:42 | {} | NONE |
ClickHouse | ClickHouse | 706,989,376 | 15,856 | vladimir-golovchenko | Related issue: https://github.com/ClickHouse/ClickHouse/issues/11245. | 2020-10-12T09:08:17 | 2020-10-12T09:08:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,119,971 | 15,539 | den-crane | duplicate https://github.com/ClickHouse/ClickHouse/issues/11068 | 2020-10-12T13:27:53 | 2020-10-12T13:27:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,122,648 | 12,513 | zhang2014 | Minimal example:
```
SET enable_optimize_predicate_expression = 0;
SELECT min(number) as min_number FROM numbers(10) WHERE 1 GROUP BY number ORDER BY min_number;
``` | 2020-10-12T13:32:42 | 2020-10-12T13:32:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,324,152 | 15,876 | azat | >Style check — Found 3 errors
```
/place/sandbox-data/tasks/4/8/795063184/ClickHouse/tests/queries/0_stateless/01521_connections_with_failover_max_tries_0.reference
/place/sandbox-data/tasks/4/8/795063184/ClickHouse/tests/queries/0_stateless/01521_connections_with_failover_max_tries_0.sql
Tests should not be name... | 2020-10-12T20:15:05 | 2020-10-12T20:15:05 | {} | MEMBER |
ClickHouse | ClickHouse | 706,683,524 | 15,707 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:30:59 | 2020-10-11T10:30:59 | {} | MEMBER |
ClickHouse | ClickHouse | 706,683,534 | 15,495 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:31:05 | 2020-10-11T10:31:05 | {} | MEMBER |
ClickHouse | ClickHouse | 706,709,672 | 15,836 | den-crane | You are missing something.
There is no such things like `shard mode` or `replica mode`.
Everything will work as expected if you go my way. | 2020-10-11T14:04:43 | 2020-10-11T14:04:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,719,225 | 15,809 | alexey-milovidov | No, it's too ugly :(

| 2020-10-11T15:10:38 | 2020-10-11T15:10:38 | {} | MEMBER |
ClickHouse | ClickHouse | 706,812,193 | 15,702 | liangli1213 | @BohuTANG , is that works on your side with my described configuration? | 2020-10-12T01:51:09 | 2020-10-12T01:51:09 | {} | NONE |
ClickHouse | ClickHouse | 706,863,135 | 8,026 | filimonov | Since #12771 cyrus is included and used for rdkafka.
I think now we can also switch hdfs to use cyrus. Also openldap need to have cyrus | 2020-10-12T05:07:13 | 2020-10-12T05:07:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,029,769 | 15,823 | alesapin | > @alesapin Thanks for review. Added functional test.
Ok, but maybe we can also check that our `PRIMARY KEY` works? For example, create `ReplacingMergeTree` with some primary key, insert several rows with equal primary key value and execute `SELECT .. FINAL`. If everything works well we should see only one row. Also... | 2020-10-12T10:19:16 | 2020-10-12T10:19:16 | {} | MEMBER |
ClickHouse | ClickHouse | 707,343,866 | 15,848 | den-crane | What CH version do you use?
>Another question about AggregatingMergeTree is why there is no data in the
>tables of the AggregatingMergeTree engine after the CH service is restarted?
Disk corruption?
Check startup messages **grep table_name /var/log/clickhouse-server/clickhouse-server.log** | 2020-10-12T21:01:33 | 2020-10-12T21:01:33 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,702,811 | 15,834 | den-crane | 1. toString
SELECT concat(toString(generateUUIDv4()), 'a')
2.
```sql
SELECT hex(reinterpretAsString(generateUUIDv4()))
┌─hex(reinterpretAsString(generateUUIDv4()))─┐
│ DE4714DB26C20FB3D049657C3F60F99F │
└────────────────────────────────────────────┘
``` | 2020-10-11T13:11:30 | 2020-10-11T13:11:30 | {
"heart": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,707,376 | 15,836 | lddlww | > In this case both replica will ingest data from kafka in parallel (50%+50%).
>
> In cause if replicaA is down another replica replicaB will continue to ingest all 100% kafka messages.
i think it's shard mode not replicas,or i missing somehting?
| 2020-10-11T13:47:30 | 2020-10-11T13:47:49 | {} | NONE |
ClickHouse | ClickHouse | 706,985,191 | 11,068 | filimonov | Old versions had the same issue.
```
Received exception from server (version 18.16.1):
Code: 47. DB::Exception: Received from localhost:9000, 127.0.0.1. DB::Exception: Unknown identifier: b.value.
Received exception from server (version 19.11.14):
Code: 47. DB::Exception: Received from localhost:9000. DB::Ex... | 2020-10-12T09:01:16 | 2020-10-12T09:02:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,119,277 | 15,539 | den-crane | WA: is to specify database
FROM **default**.vmr_global_variables t
| 2020-10-12T13:26:32 | 2020-10-12T13:26:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,273,295 | 15,118 | tavplubix | Fixed in #15767 | 2020-10-12T18:15:18 | 2020-10-12T18:15:18 | {} | MEMBER |
ClickHouse | ClickHouse | 707,331,988 | 15,876 | azat | >switchover
>fover
This will not include setting name, renamed to `01521_distributed_query_hang` | 2020-10-12T20:33:08 | 2020-10-12T20:33:08 | {} | MEMBER |
ClickHouse | ClickHouse | 706,758,564 | 15,844 | azat | >I wonder why we should bother with tuning of "Unbundled" build.
I use it for faster compilation, and tons of warnings from 3way compare hide some real stuff
>It's third-class build, barely needed for anything.
Indeed.
>You can freely disable libraries, disable warnings, etc...
Some of these I can fix wi... | 2020-10-11T19:49:14 | 2020-10-11T19:49:14 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 706,894,353 | 15,835 | misja-alma | @den-crane I just reported what I was seeing. I also don't quite understand why the index query slowed down when filling more than one partition. But I have a feeling that it might just be the amount of data that made the index grow so large that it didn't fit into memory anymore.
To test this I tried making the index... | 2020-10-12T06:20:34 | 2020-10-12T06:20:34 | {} | NONE |
ClickHouse | ClickHouse | 707,006,538 | 15,520 | filimonov | One of backports missing | 2020-10-12T09:37:42 | 2020-10-12T09:37:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,111,444 | 12,513 | zhang2014 | Sorry, I don't know why I missed it. I will try to fix it. | 2020-10-12T13:11:54 | 2020-10-12T13:11:54 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,122,079 | 15,848 | den-crane | What CH version do you use?
Try to lower max_memory_usage to 10G `<max_memory_usage>10000000000` and max_bytes_before_external_group_by to 4G `<max_bytes_before_external_group_by>4000000000`
| 2020-10-12T13:31:34 | 2020-10-12T13:31:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,137,899 | 15,872 | socketpair | version 20.7.2.30 | 2020-10-12T13:58:52 | 2020-10-12T13:58:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,308,642 | 14,877 | alexey-milovidov | @Doslin Your CMakeLists.txt file is from very old revision.
It was changed more than one year ago: https://github.com/ClickHouse/ClickHouse/commit/1b5192706e39746e9485bac569c051bbb654c823#diff-af3b638bc2a3e6c650974192a53c7291L201 | 2020-10-12T19:38:16 | 2020-10-12T19:38:16 | {} | MEMBER |
ClickHouse | ClickHouse | 706,968,541 | 15,852 | alesapin | Unfortunately, I forgot to remove this code :( | 2020-10-12T08:31:31 | 2020-10-12T09:32:42 | {} | MEMBER |
ClickHouse | ClickHouse | 707,137,601 | 15,823 | kitaisreal | @alesapin agreed. Updated tests with ATTACH DETACH and ReplacingMergeTree engine. | 2020-10-12T13:58:26 | 2020-10-12T13:58:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,688,323 | 15,757 | filimonov | It's not 100% reliable, but time windows are quite wide (dozens of seconds) and those tests normally work good enough and don't flap (they exis in CI for many months already).
And there are lot of timing invariants in Kafka anyway (for example if you will not do poll at least once per 60 sec you will be kicked off ... | 2020-10-11T11:11:14 | 2020-10-11T11:11:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,858,543 | 15,782 | zhang2014 | This is impossible. Try to consider the following use cases
```
in mysql:> CREATE TABLE test(a int);
in mysql:> INSERT INTO test VALUES(1)(1)(2)(2)
in mysql:> UPDATE test SET a = 2 WHERE a = 1; /// ClickHouse will not know how to merge.
``` | 2020-10-12T04:53:52 | 2020-10-12T04:53:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,273,383 | 14,829 | tavplubix | Fixed in #15767 | 2020-10-12T18:15:31 | 2020-10-12T18:15:31 | {} | MEMBER |
ClickHouse | ClickHouse | 706,681,597 | 15,818 | alexey-milovidov | Fuzzer has found an error https://github.com/ClickHouse/ClickHouse/issues/14100, @KochetovNicolai | 2020-10-11T10:13:56 | 2020-10-11T10:14:05 | {} | MEMBER |
ClickHouse | ClickHouse | 706,683,544 | 15,195 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:31:07 | 2020-10-11T10:31:07 | {} | MEMBER |
ClickHouse | ClickHouse | 706,701,681 | 15,757 | filimonov | > > normally work good enough and don't flap
>
> :(
It's not possible to make all integration tests 100% reliable (unless you mock all the external parts, which has no sense at all as it's too much work).
Under normal condition those tests should not flap, in some special conditions (thread fuzzer, etc) those... | 2020-10-11T13:01:58 | 2020-10-11T13:01:58 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,178,607 | 14,053 | den-crane | it's already fixed even in 20.3
```
20.3.8.53
./x.sh
67 1 0 8 7 7367
20.3.19.4
./x.sh
67 1 1 8 8 7367
20.10.1.4853
┌─count()─┬─minExpr─┬─minAlias─┬─maxExpr─┬─maxAlias─┬────b─┐
│ 67 │ 1 │ 1 │ 8 │ 8 │ 7367 │
└─────────┴─────────┴──────────┴─────────┴──────────┴──────┘
... | 2020-10-12T15:10:14 | 2020-10-12T15:10:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,705,852 | 15,836 | den-crane | You should create all the same at both replicas
replicaA: kafka table, ReplicatedMergeTree table, materialized view
replicaB: kafka table, ReplicatedMergeTree table, materialized view
In this case both replica will ingest data from kafka in parallel (50%+50%).
In cause if replicaA is down another replica replic... | 2020-10-11T13:35:35 | 2020-10-11T13:35:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,718,704 | 15,809 | alexey-milovidov | Not enough beautiful.

I would like to add one extra newline after `Query id: 6b355015-08fd-4e55-883f-8c9d9a93728f`.
PS. I have looked second time and now it appears to be Ok. No c... | 2020-10-11T15:07:31 | 2020-10-11T15:08:24 | {} | MEMBER |
ClickHouse | ClickHouse | 707,131,341 | 15,851 | den-crane | And starting from CH 20.10
```sql
alter table table1
MODIFY COLUMN Value
REMOVE DEFAULT;
``` | 2020-10-12T13:48:27 | 2020-10-12T13:48:58 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,319,172 | 15,878 | kevinchiang | Screenshot of formatting issue (now fixed in 77e5a63)
<img width="1258" alt="Screen Shot 2020-10-12 at 12 57 34 PM" src="https://user-images.githubusercontent.com/3395738/95785795-47d41180-0c8b-11eb-9687-22ff0be4e8cb.png"> | 2020-10-12T20:03:22 | 2020-10-12T20:03:22 | {} | NONE |
ClickHouse | ClickHouse | 706,683,518 | 15,796 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:30:54 | 2020-10-11T10:30:54 | {} | MEMBER |
ClickHouse | ClickHouse | 706,691,604 | 15,757 | alexey-milovidov | > normally work good enough and don't flap
:( | 2020-10-11T11:38:39 | 2020-10-11T11:38:39 | {} | MEMBER |
ClickHouse | ClickHouse | 706,757,860 | 15,065 | MaxTheHuman | > Implementation of GROUPING SETS in ClickHouse
Hello, can I do this task? @alexey-milovidov | 2020-10-11T19:43:06 | 2020-10-11T19:43:06 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,863,921 | 12,513 | filimonov | Regression, not fixed for 3 months. Increasing priority. | 2020-10-12T05:09:04 | 2020-10-12T05:09:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,887,116 | 15,199 | filimonov | rebased on master. | 2020-10-12T06:04:38 | 2020-10-12T06:04:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,978,969 | 13,990 | filimonov | Regression. Worked on <= 20.1 | 2020-10-12T08:50:20 | 2020-10-12T08:50:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,980,072 | 13,492 | filimonov | Test should be added. | 2020-10-12T08:52:22 | 2020-10-12T08:52:22 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,128,336 | 15,851 | den-crane | String type: MODIFY COLUMN Value DEFAULT ''
Int32 type: MODIFY COLUMN Value DEFAULT 0 | 2020-10-12T13:43:16 | 2020-10-12T13:43:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,327,458 | 15,845 | alexey-milovidov | Let's also add a test, see `tests/queries/0_stateless` and https://clickhouse.tech/docs/en/development/tests/ | 2020-10-12T20:22:48 | 2020-10-12T20:23:17 | {} | MEMBER |
ClickHouse | ClickHouse | 706,682,369 | 15,817 | alexey-milovidov | Only "Arcadia" remains... | 2020-10-11T10:20:49 | 2020-10-11T10:20:49 | {} | MEMBER |
ClickHouse | ClickHouse | 706,683,528 | 15,672 | alexey-milovidov | 20.6 no longer supported. | 2020-10-11T10:31:01 | 2020-10-11T10:31:01 | {} | MEMBER |
ClickHouse | ClickHouse | 706,691,367 | 15,837 | alexey-milovidov | Not a bugfix. | 2020-10-11T11:37:03 | 2020-10-11T11:37:03 | {} | MEMBER |
ClickHouse | ClickHouse | 706,691,384 | 15,839 | alexey-milovidov | Not a bugfix. | 2020-10-11T11:37:09 | 2020-10-11T11:37:09 | {} | MEMBER |
ClickHouse | ClickHouse | 706,756,549 | 15,844 | alexey-milovidov | I wonder why we should bother with tuning of "Unbundled" build.
It's third-class build, barely needed for anything.
You can freely disable libraries, disable warnings, etc... | 2020-10-11T19:32:33 | 2020-10-11T19:32:33 | {} | MEMBER |
ClickHouse | ClickHouse | 706,811,931 | 15,265 | liangli1213 | @BohuTANG , as I explained, the backup user works well in MySQL, but when I use same account the make replication in ClickHouse, issue raise, I'm wondering if you can reproduce it on your side? | 2020-10-12T01:49:58 | 2020-10-12T01:49:58 | {} | NONE |
ClickHouse | ClickHouse | 706,920,506 | 12,501 | filimonov | Should be fixed in https://github.com/ClickHouse/ClickHouse/pull/14646
All versions released after 14th of September should have it fixed. | 2020-10-12T07:07:30 | 2020-10-12T07:07:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,991,548 | 15,823 | kitaisreal | @alesapin Thanks for review. Added functional test. | 2020-10-12T09:12:04 | 2020-10-12T09:12:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,702,409 | 15,805 | den-crane | You can use `optimize_throw_if_noop`
_optimize_throw_if_noop - If setting is enabled and OPTIMIZE query didn't actually assign a merge then an explanatory exception is thrown_
```sql
set optimize_throw_if_noop=1;
optimize table rmt final;
``` | 2020-10-11T13:08:17 | 2020-10-11T13:08:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,703,949 | 15,833 | den-crane | Because CH has only HashJoin join method. And the current implementation does not use indexes.
You did not create index in ORACLE. So ORACLE used HashJoin for both cases `in` and `join`.
But in CH you created an index `ORDER BY id;` and CH able to use indexes for IN.
Try CH without indexes `ORDER BY tuple();`.
... | 2020-10-11T13:20:09 | 2020-10-11T13:24:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,887,245 | 15,780 | filimonov | Regression | 2020-10-12T06:04:57 | 2020-10-12T06:04:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,935,486 | 14,978 | filimonov | ```
CREATE TABLE test1
(
`insid` UInt64,
`insidvalue` UInt64
)
ENGINE = MergeTree
ORDER BY tuple();
CREATE TABLE test2
(
`insid` UInt64,
`svalue` String
)
ENGINE = MergeTree
ORDER BY tuple();
SELECT NULL AS svalue
FROM test1 AS t1
LEFT JOIN
(
SELECT
insid,
... | 2020-10-12T07:33:57 | 2020-10-12T07:33:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,012,927 | 14,053 | filimonov | @Zer0Divis0r any update? | 2020-10-12T09:49:21 | 2020-10-12T09:49:21 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 707,057,015 | 15,610 | KochetovNicolai | Possible fix #15645 is in 20.8.4.
@aubweb9 could you please update to last 20.8 stable and check if issue still exists? | 2020-10-12T11:16:52 | 2020-10-12T11:16:52 | {} | MEMBER |
ClickHouse | ClickHouse | 707,092,092 | 10,637 | George3d6 | This doesn't seem to work currently and it's not present in the docs on dockerhub. Has this feature been removed? | 2020-10-12T12:32:51 | 2020-10-12T12:32:51 | {
"eyes": 5
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,684,059 | 15,776 | alexey-milovidov | https://github.com/ClickHouse/ClickHouse/blob/master/tests/queries/0_stateless/00940_order_by_read_in_order.sql | 2020-10-11T10:35:36 | 2020-10-11T10:35:36 | {} | MEMBER |
ClickHouse | ClickHouse | 706,711,503 | 15,835 | den-crane | `route_index` analysis takes 200ms -- and this is expected.
```sql
CREATE TABLE MY_TABLE
(
`Year` LowCardinality(String),
`Route` String,
`Count` Float64,
INDEX route_index (Route) TYPE tokenbf_v1(256, 2, 0) GRANULARITY 1
)
ENGINE = MergeTree
ORDER BY tuple()
SETTINGS index_granularity = 12... | 2020-10-11T14:18:45 | 2020-10-11T14:34:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,765,547 | 15,835 | den-crane | @misja-alma I don't understand what is you mean about partitions. Partition pruning works before index analysis.
```sql
CREATE TABLE MY_TABLE
(
`Year` LowCardinality(String),
`Route` String,
`Count` Float64,
INDEX route_index (Route) TYPE tokenbf_v1(256, 2, 0) GRANULARITY 1
)
ENGINE = Mer... | 2020-10-11T20:42:38 | 2020-10-11T20:42:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 706,919,735 | 15,850 | alesapin | Merge without tests to check in master. | 2020-10-12T07:06:13 | 2020-10-12T07:06:13 | {} | MEMBER |
ClickHouse | ClickHouse | 707,133,483 | 15,851 | MasterGroosha | @den-crane Thank you! Looking forward to installing 20.10 as soon as it is released. | 2020-10-12T13:51:58 | 2020-10-12T13:51:58 | {} | NONE |
ClickHouse | ClickHouse | 707,329,587 | 15,236 | alexey-milovidov | But now fast test failed. | 2020-10-12T20:27:43 | 2020-10-12T20:27:43 | {} | MEMBER |
ClickHouse | ClickHouse | 731,260,180 | 16,535 | akuzm | AST Fuzzer https://github.com/ClickHouse/ClickHouse/issues/17235 | 2020-11-20T16:11:41 | 2020-11-20T16:11:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 731,339,344 | 17,237 | den-crane | https://t.me/c/1425947904/8205
https://github.com/ClickHouse/ClickHouse/pull/11593
https://github.com/ClickHouse/ClickHouse/pull/11661
```
Denny Crane [Vertica DBA at Revjet(NB,Canada)], [Oct 14, 2020 at 3:49:44 PM]:
А -State научились null ?
https://github.com/ClickHouse/ClickHouse/issues/3402#issuecom... | 2020-11-20T18:32:46 | 2020-11-20T18:36:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 731,444,353 | 17,144 | fibersel | @alexey-milovidov @akuzm Can someone merge or review this MR?
It seems that fallen test don't belong to my MR. | 2020-11-20T22:42:05 | 2020-11-20T22:42:05 | {} | CONTRIBUTOR |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.