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 | 723,721,940 | 15,998 | winter7 | > You need to create a user with CREATE USER statement to be able to revoke rights.
Can I just modify `users.xml` to revoke rights? | 2020-11-09T02:42:22 | 2020-11-09T02:42:22 | {} | NONE |
ClickHouse | ClickHouse | 723,742,554 | 15,111 | vitlibar | The performance of the new protocol doesn't seem very different from what it is for the native TCP protocol:
```
time (clickhouse-client -q "SELECT number FROM numbers(200000000)" > a.txt)
real 0m14,887s
user 0m7,119s
sys 0m1,820s
```
```
time (clickhouse-grpc-client.py -q "SELECT number FROM numbers(2000... | 2020-11-09T04:10:53 | 2020-11-09T04:10:53 | {} | MEMBER |
ClickHouse | ClickHouse | 723,979,910 | 12,109 | CurtizJ | The return type will be the same as the return type of function, that `initializeAgregation` takes as first argument. In case of functions with suffix `State`, for which `initializeAgregation` is intended for, the return type will be [`AggregateFunction`](https://clickhouse.tech/docs/en/sql-reference/data-types/aggrega... | 2020-11-09T12:21:54 | 2020-11-09T12:21:54 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 724,030,751 | 7,249 | nvartolomei | #16433 | 2020-11-09T13:59:55 | 2020-11-09T13:59:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,044,856 | 16,814 | qoega | Duplicate of #16813? | 2020-11-09T14:23:53 | 2020-11-09T14:23:53 | {} | MEMBER |
ClickHouse | ClickHouse | 715,503,956 | 16,184 | Avogar | It doesn't work correctly in case when we select data without any subquery (directly from table) due to parallel aggregation. Example:
```
:) CREATE TABLE test_equal_ranges (x UInt32) ENGINE=MergeTree() ORDER BY x;
CREATE TABLE test_equal_ranges
(
`x` UInt32
)
ENGINE = MergeTree()
ORDER BY x
Query id: ... | 2020-10-23T18:26:46 | 2020-11-10T11:13:00 | {} | MEMBER |
ClickHouse | ClickHouse | 724,641,184 | 16,184 | Avogar | @hczhcz We discussed with @alexey-milovidov such functions that depend on the order. We don't want a common ClickHouse user to be able to use such functions without knowing that they depend on the order. So, we decided that it would be better to add a setting like `use_aggregate_functions_depended_on_order` and use cou... | 2020-11-10T11:24:08 | 2020-11-10T11:24:08 | {} | MEMBER |
ClickHouse | ClickHouse | 724,719,164 | 9,117 | flipper86 | I tried to achieve the same, couldn't change the system.zookeeper table. I'm currently stuck because I'm trying to get create a replicated table, but I get an error saying the zookeeper path already exists, yet I can't do any other operation because there is no table (no data nor metadata in clickhouse). So the zookeep... | 2020-11-10T13:59:13 | 2020-11-10T14:01:13 | {} | NONE |
ClickHouse | ClickHouse | 723,694,366 | 11,803 | alexey-milovidov | A test needed. | 2020-11-09T00:42:08 | 2020-11-09T00:42:08 | {} | MEMBER |
ClickHouse | ClickHouse | 723,847,337 | 16,318 | BayoNet | Replaced by #16770 | 2020-11-09T08:18:49 | 2020-11-09T08:18:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,073,006 | 16,040 | kitaisreal | @akuzm seems after rebase with master test does not fail | 2020-11-09T15:09:49 | 2020-11-09T15:09:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,322,932 | 16,787 | alexey-milovidov | > The true value of a library like fast_float is to offer exact parsing (down to the smallest bit). If that is not important to you, you can go even faster...
It depends on how faster we can go with slightly less precise result. If it can be two times faster, we would like to keep imprecise variant by default. If 1.... | 2020-11-09T22:44:03 | 2020-11-09T22:44:03 | {} | MEMBER |
ClickHouse | ClickHouse | 724,195,213 | 13,654 | den-crane | No, the expected result
```
┌─1─┬─b─┐
│ 1 │ 2 │
└───┴───┘
select 1
--xxxx
,2 b
;
``` | 2020-11-09T18:32:06 | 2020-11-09T18:32:06 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,217,062 | 16,787 | lemire | 1. The `fast_float` library has not been optimized for parsing integer values. It is not a difficult case and we could do better. I was unaware that people cared for this case, but the arguments that you are raising are good. Of course, one must be mindful that 64-bit floats can't represent all 64-bit integers.
2. ... | 2020-11-09T19:10:56 | 2020-11-09T19:10:56 | {} | NONE |
ClickHouse | ClickHouse | 724,400,772 | 16,825 | amosbird | Can we construct any performance tests to validate this method? | 2020-11-10T02:01:48 | 2020-11-10T02:01:48 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 724,471,109 | 16,798 | sundy-li | `roaring bitmap state` In ClickHouse is not the native way storage as `croaring`, see `AggregateFunctionGroupBitmapData.h`
> Is there a library that can we directly build a roaring bitmap with spark, and then bulk upload it?
No, but you can build one.
- Look at `DataTypeAggregateFunction`, you can implement t... | 2020-11-10T05:50:04 | 2020-11-10T05:50:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,707,922 | 8,646 | litaoyx | So is there a library that can we directly build a roaring bitmap with spark, and then bulk upload it? | 2020-11-09T01:46:40 | 2020-11-09T01:46:40 | {} | NONE |
ClickHouse | ClickHouse | 723,731,566 | 16,338 | akuzm | > the above normalization or flatten progress must be done in parse phase
Why? Currently you're doing it after parse, and it seems to work OK. It should be possible encode the structure of the UNION tree as a tree of `InterpeterSelectQuery`/`InterpreterSelectWithUnionQuery`, and then apply the needed transformations... | 2020-11-09T03:23:20 | 2020-11-09T03:23:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,835,221 | 16,123 | ucasfl | And there may be multiple combinators in an aggregate function, such as `avgIfState`, `sumStateForEach`. I think for aggregate functions with combinators, we shoule move -OrNull to the first when rewrite? | 2020-11-09T07:55:11 | 2020-11-09T07:55:11 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 724,031,326 | 16,433 | akuzm | > Regarding roles, they are not hierarchical as I understand. Do you propose to make roles hierarchical? And then allow assigning quotas per roles?
I'm not sure how we implemented them in CH, at least in Postgres [they are](https://www.postgresql.org/docs/current/role-membership.html), so it felt natural to me. [Thi... | 2020-11-09T14:00:56 | 2020-11-09T14:00:56 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,645,788 | 15,087 | Akazz | @fastio
Your suggestion about extending parameters list of ReplicatedMergeTree() with immediate declaration of ZK endpoints in SQL statement is quite interesting, although we would need to `ALTER TABLE zk_endpoint` every time any of ZK-node addresses/ports change.
I would say that for now (as long as PR #14155 is... | 2020-11-10T11:34:18 | 2020-11-10T11:34:18 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,717,074 | 16,835 | zhang2014 | For `SHOW CREATE TABLE t_circle_theme_liked_history`, what result set `structure` for return in MySQL?
It is like this?
```
+------------+------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table ... | 2020-11-10T13:55:43 | 2020-11-10T13:55:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,727,307 | 13,478 | bohutang | Hi Alexey,
It seems to make sense.
| 2020-11-09T03:05:11 | 2020-11-09T03:05:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,987,008 | 15,511 | nvartolomei | lgtm as well, thank you @alesapin! | 2020-11-09T12:37:27 | 2020-11-09T12:37:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,036,371 | 16,805 | filimonov | Sounds similar to https://github.com/ClickHouse/ClickHouse/issues/15651 | 2020-11-09T14:09:53 | 2020-11-09T14:09:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,387,367 | 16,803 | jjtjiang | the logs about the query that results in this crash are below:
2020.11.08 21:35:25.203668 [ 168 ] {} <Trace> HTTPHandler-factory: HTTP Request for HTTPHandler-factory. Method: GET, Address: [::ffff:10.88.132.218]:37294, User-Agent: Grafana/7.1.5, Content Type: , Transfer Encoding: identity
2020.11.08 21:35:25.204569... | 2020-11-10T01:21:23 | 2020-11-10T01:21:23 | {} | NONE |
ClickHouse | ClickHouse | 724,735,216 | 9,117 | tavplubix | > I tried to achieve the same, couldn't change the system.zookeeper table. I'm currently stuck because I'm trying to get create a replicated table, but I get an error saying the zookeeper path already exists, yet I can't do any other operation because there is no table (no data nor metadata in clickhouse). So the zooke... | 2020-11-10T14:25:46 | 2020-11-10T14:25:46 | {} | MEMBER |
ClickHouse | ClickHouse | 723,693,563 | 10,594 | alexey-milovidov | Most likely you have to raise `max_connections` in server config. | 2020-11-09T00:38:49 | 2020-11-09T00:38:49 | {} | MEMBER |
ClickHouse | ClickHouse | 723,693,865 | 12,297 | alexey-milovidov | A test needed. | 2020-11-09T00:40:02 | 2020-11-09T00:40:02 | {} | MEMBER |
ClickHouse | ClickHouse | 723,694,137 | 9,490 | alexey-milovidov | A test needed. | 2020-11-09T00:41:08 | 2020-11-09T00:41:08 | {} | MEMBER |
ClickHouse | ClickHouse | 723,869,242 | 16,800 | filimonov | Duplicate of #9259
P.S. Please update to 20.8 or newer (20.6 is not supported anymore). | 2020-11-09T08:57:16 | 2020-11-09T08:57:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,749,314 | 16,183 | akuzm | Special builds 4/5 -- clang-tidy has some complaints:
```
2020-11-06 05:15:47 /build/obj-x86_64-linux-gnu/../src/Parsers/ASTColumnsTransformers.cpp:217:16: error: redundant string initialization [readability-redundant-string-init,-warnings-as-errors]
2020-11-06 05:15:47 String expected_columns = "";
2020-11... | 2020-11-09T04:39:54 | 2020-11-09T04:39:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,818,012 | 16,787 | kitaisreal | @alexey-milovidov Yes. contacted you. | 2020-11-09T07:26:11 | 2020-11-09T07:26:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,034,416 | 16,807 | filimonov | 1) In newer versions (with database engine = Atomic) it's also `/var/lib/clickhouse/store`
2) when multidisk setup is used you need to repeat that for every disk
3) you can safely take the state of those folders only when clickhouse-server is stopped and `sync` command fired. For taking snapshots of the active table ... | 2020-11-09T14:06:23 | 2020-11-09T14:07:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,560,837 | 16,807 | lvdombrkr89 | @filimonov thanks for quick answer.
so in short it means if im stoping cilckhouse-server before rsync /data /metadata i should be fine later just restore this folders with correct rights, correct?
how i can find is there any replicated tables? this is legacy db not created be me and its first time when i use clic... | 2020-11-10T08:57:04 | 2020-11-10T08:57:04 | {} | NONE |
ClickHouse | ClickHouse | 724,568,827 | 16,827 | l1t1 | https://clickhouse.tech/docs/en/sql-reference/statements/select/join/ did not say it supports more than two tables | 2020-11-10T09:10:45 | 2020-11-10T09:10:45 | {} | NONE |
ClickHouse | ClickHouse | 724,404,185 | 16,825 | danlark1 | @alexey-milovidov any chances ci can go through due to Yandex checks? **UPD:** Solved by force tests marker | 2020-11-10T02:13:25 | 2020-11-10T09:37:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,711,950 | 16,831 | ZonghaoWang | Hi, I take join engine, to use the feature 'use_last_row', but how I can delete the old data, and the file in disk can not delete auto? | 2020-11-10T13:47:12 | 2020-11-10T13:47:12 | {} | NONE |
ClickHouse | ClickHouse | 723,772,796 | 16,433 | akuzm | This sounds very similar to quotas https://clickhouse.tech/docs/en/operations/quotas/
Can we use ['roles'](https://clickhouse.tech/docs/en/operations/access-rights/#role-management) as 'control groups'? This way we could mostly reuse the existing tools for configuring the limits.
Speaking about your immediate task... | 2020-11-09T05:48:42 | 2020-11-09T05:48:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,881,186 | 16,799 | filimonov | Your query is incorrect (you trying to do group by on the column which is an aggregation function).
But the error reported is totally misleading and should be improved.
Minimal testcase:
```
select number a, avg(number) b from numbers(1) group by a,b;
```
```
<=20.3:
Received exception from server (ver... | 2020-11-09T09:18:05 | 2020-11-09T09:18:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,059,575 | 16,805 | amosbird | Heh, actually it's fixed by https://github.com/ClickHouse/ClickHouse/pull/16253 | 2020-11-09T14:48:07 | 2020-11-09T14:48:07 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 724,084,246 | 16,040 | akuzm | > @akuzm seems after rebase with master test does not fail
They haven't finished yet, let's wait. | 2020-11-09T15:27:10 | 2020-11-09T15:27:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,585,529 | 16,825 | danlark1 | Perf tests are [here](https://clickhouse-test-reports.s3.yandex.net/16825/811c3e5cd18a19200edcf720b70754fc0536c07b/performance_comparison/report.html#fail1). 2.5% win overall for all tests, for desc data the speedup in 1400%, some more representative benchmarks as string_sort showed 15% boost
```
0.350 | 0.301 | -1... | 2020-11-10T09:39:42 | 2020-11-10T09:39:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,710,049 | 16,835 | rjfh1980s | > > I can see some other errors in the error log when I'm creating and deleting the database, and I don't know if this information is a bug or not? ck_test is another database that has been synchronized.
>
> This needs to be execute in MySQL : )
>
> by the way: MaterializeMySQL not support `SHOW CREATE TABLE` sta... | 2020-11-10T13:43:53 | 2020-11-10T13:43:53 | {} | NONE |
ClickHouse | ClickHouse | 724,727,678 | 16,835 | rjfh1980s | > SHOW MASTER LOGS
When I finish executing "SHOW MASTER LOGS;" statement, the output is:
> Log_name,File_size
mysql-bin.000001,177
mysql-bin.000002,177
mysql-bin.000003,1037
mysql-bin.000004,524475347
mysql-bin.000005,524671724
mysql-bin.000006,524845376
mysql-bin.000007,525021222
mysql-bin.000008,5247242... | 2020-11-10T14:13:19 | 2020-11-10T14:13:19 | {} | NONE |
ClickHouse | ClickHouse | 723,925,732 | 16,799 | kim-up | thx，GOOD! | 2020-11-09T10:35:02 | 2020-11-09T10:35:02 | {} | NONE |
ClickHouse | ClickHouse | 724,718,096 | 16,835 | rjfh1980s | > SHOW CREATE TABLE t_circle_theme_liked_history
Yes, that's right | 2020-11-10T13:57:25 | 2020-11-10T13:57:25 | {} | NONE |
ClickHouse | ClickHouse | 724,726,972 | 16,837 | alesapin | Just noticed that while implementing TestKeeperStorage. Seems like we never sent `close` request to the ZooKeeper server during normal shutdown. | 2020-11-10T14:12:14 | 2020-11-10T14:12:14 | {} | MEMBER |
ClickHouse | ClickHouse | 723,883,581 | 4,350 | filimonov | BTW - it's quite silly that we can't also use `numbers(...), numbers_mt(...), zeros(...)` etc. in readonly mode... | 2020-11-09T09:22:16 | 2020-11-09T09:22:16 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,031,108 | 7,751 | nvartolomei | #10485 and #16193 | 2020-11-09T14:00:31 | 2020-11-09T14:01:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,032,183 | 6,774 | nvartolomei | ssd cache dictionary seems close enough, #11947 | 2020-11-09T14:02:27 | 2020-11-09T14:02:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,326,994 | 16,787 | lemire | @alexey-milovidov This is very reasonable.
My belief is that once you have optimized the correct function (for example, fast_float), you can be well within the 1.5x factor. I could be wrong. If I am wrong, I'd be interested in finding that out. | 2020-11-09T22:52:59 | 2020-11-09T22:52:59 | {} | NONE |
ClickHouse | ClickHouse | 724,358,471 | 3,817 | sanathkumarbs | Could we get some insights that were shared over the email? Which option did you choose and was one outperforming the other? | 2020-11-10T00:02:46 | 2020-11-10T00:02:46 | {} | NONE |
ClickHouse | ClickHouse | 723,694,082 | 9,490 | alexey-milovidov | Not anymore:
```
$ clickhouse local --query "describe table file('', TSV, 'a int, b.c int')"
Code: 62, e.displayText() = DB::Exception: Syntax error (columns declaration list): failed at position 9 ('.'): .c int. Expected one of: nested table, ALIAS, identifier, DEFAULT, data type, MATERIALIZED (version 20.12.1.1)... | 2020-11-09T00:41:00 | 2020-11-09T00:41:00 | {} | MEMBER |
ClickHouse | ClickHouse | 723,830,863 | 16,123 | ucasfl | ```sql
SELECT sumIfOrNull(1, 0)
Query id: cfeae055-758d-4482-9cda-0ebac2bcca5f
┌─sumIfOrNull(1, 0)─┐
│ 0 │
└───────────────────┘
SELECT sumOrNullIf(1, 0)
Query id: eb9b740c-155e-46e4-9d44-5d67e6d2fb25
┌─sumOrNullIf(1, 0)─┐
│ ᴺᵁᴸᴸ │
└───────────────────┘
```
It's differ... | 2020-11-09T07:46:44 | 2020-11-09T07:46:44 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 724,432,737 | 16,789 | pan3793 | > We don't care about clean history but we want to keep commits to be able to find individual commits.
Actually git can keep both clean history and individual commits, just use rebase rather than squash.
 set max_memory_usage = 1;
SET max_memory_usage = 1
Query id: 0cfe3b13-0db7-4d54-b66e-9ebd106f9443
Ok.
... | 2020-11-09T00:41:59 | 2020-11-09T00:41:59 | {} | MEMBER |
ClickHouse | ClickHouse | 723,850,293 | 15,087 | amosbird | > > In production environment, hundreds of machines hold thousands of ReplicatedMergeTree tables.
> > The only zookeeper cluster is seriously overloaded even good performance machine used.
> > In some scenarios, we want to change the current zookeeper cluster to another one smoothly.
>
> I guess it will be very us... | 2020-11-09T08:24:23 | 2020-11-09T08:24:23 | {
"+1": 1
} | COLLABORATOR |
ClickHouse | ClickHouse | 724,010,863 | 8,262 | filimonov | After some rethinking of that scenario, there may be some scenarios when current behavior can lead to issues.
Imagine the following loading scenario
attach table1
attach kafka2table1_mv
attach kafka <- at that moment we have a correct consuming pipeline installed, and will start consuming successfully
atta... | 2020-11-09T13:24:11 | 2020-11-09T13:24:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,152,732 | 12,109 | AnaUvarova | > The return type will be the same as the return type of function, that `initializeAgregation` takes as first argument. In case of functions with suffix `State`, for which `initializeAgregation` is intended for, the return type will be [`AggregateFunction`](https://clickhouse.tech/docs/en/sql-reference/data-types/aggre... | 2020-11-09T17:17:50 | 2020-11-09T17:17:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,401,827 | 16,825 | danlark1 | > Can we construct any performance tests to validate this method?
I am happy to add more, however I am pretty sure there are enough queries with ORDER BY LIMIT N in the performance tests. I want to see them first | 2020-11-10T02:05:05 | 2020-11-10T02:09:57 | {
"rocket": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,575,018 | 16,827 | l1t1 | got it.
```
SELECT count(*)
FROM n AS a
CROSS JOIN
(
SELECT *
FROM n AS b
CROSS JOIN numbers(10) AS c
) AS d
┌────count()─┐
│ 1000000000 │
└────────────┘
1 rows in set. Elapsed: 41.331 sec. Processed 20.01 thousand rows, 160.09 KB (484.17 rows/s., 3.87 KB/s.)
``` | 2020-11-10T09:20:51 | 2020-11-10T09:20:51 | {} | NONE |
ClickHouse | ClickHouse | 724,582,045 | 16,827 | l1t1 | require this syntax | 2020-11-10T09:33:08 | 2020-11-10T09:33:08 | {} | NONE |
ClickHouse | ClickHouse | 723,696,149 | 10,505 | alexey-milovidov | But the issue reproduces: https://colab.research.google.com/drive/1Ac8qnT0XjEnrnWoFyNfAbfBdIVwMWqMJ?usp=sharing | 2020-11-09T00:50:11 | 2020-11-09T00:50:11 | {} | MEMBER |
ClickHouse | ClickHouse | 723,803,643 | 5,274 | bbszt | meet the same problem | 2020-11-09T06:56:15 | 2020-11-09T06:56:15 | {} | NONE |
ClickHouse | ClickHouse | 723,852,913 | 16,803 | amosbird | Please post the query that results in this crash. It should appear in some lines aboves `<Fatal> BaseDaemon: ########################################` | 2020-11-09T08:29:22 | 2020-11-09T08:29:22 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 723,897,943 | 16,610 | zhang2014 | test have been added in https://github.com/ClickHouse/ClickHouse/pull/16592/commits/85ed639f8e74fc992e30b3c618bec5db43386125 from @KochetovNicolai | 2020-11-09T09:46:30 | 2020-11-09T09:46:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,456,806 | 16,040 | akuzm | Test failures are known and not related to the changes. | 2020-11-10T05:14:01 | 2020-11-10T05:14:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,703,703 | 16,835 | zhang2014 | > I can see some other errors in the error log when I'm creating and deleting the database, and I don't know if this information is a bug or not? ck_test is another database that has been synchronized.
This needs to be execute in MySQL : )
by the way: MaterializeMySQL not support `SHOW CREATE TABLE` statement. | 2020-11-10T13:32:27 | 2020-11-10T13:33:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,696,702 | 7,963 | alexey-milovidov | @zhang2014 This issue looks dangerous, could you please check it? | 2020-11-09T00:53:18 | 2020-11-09T00:53:18 | {} | MEMBER |
ClickHouse | ClickHouse | 723,728,909 | 14,893 | guanlisheng | Agreed with @ns-gzhang and we are facing similar issues especially when used multiple tiered query engine solutions. | 2020-11-09T03:12:34 | 2020-11-09T03:12:34 | {} | NONE |
ClickHouse | ClickHouse | 723,746,706 | 16,610 | zhang2014 | @alexey-milovidov This is correct?
``` text
SELECT NULL > 0
Query id: a792cf05-c316-425b-a2a1-1368790b3ace
┌─greater(NULL, 0)─┐
│ ᴺᵁᴸᴸ │
└──────────────────┘
``` | 2020-11-09T04:28:43 | 2020-11-09T04:28:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,812,980 | 16,390 | alesapin | need to add some tests | 2020-11-09T07:16:08 | 2020-11-09T07:16:08 | {} | MEMBER |
ClickHouse | ClickHouse | 723,863,239 | 16,803 | filimonov | grep for a 'fd7d353f-8090-4c01-b24b-98a8b37a9830' in a log (it's a query which lead to that issue). | 2020-11-09T08:46:45 | 2020-11-09T08:46:45 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 723,949,449 | 16,808 | siradjev | Seems like covered by #8655 | 2020-11-09T11:19:04 | 2020-11-09T11:19:04 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 724,015,243 | 11,755 | lnurullina | are there any updates on this issue? really waiting for this fix, we need to update to 20 version and just can't because of it :( | 2020-11-09T13:32:25 | 2020-11-09T13:32:25 | {} | NONE |
ClickHouse | ClickHouse | 724,048,992 | 16,814 | ianton-ru | No, Backport to 20.10 vs 20.11. | 2020-11-09T14:30:23 | 2020-11-09T14:30:23 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,063,674 | 15,511 | alesapin | Test failures are not related to changes. | 2020-11-09T14:54:49 | 2020-11-09T14:54:49 | {} | MEMBER |
ClickHouse | ClickHouse | 724,067,787 | 16,815 | alexey-milovidov | Not a bugfix (because there was no bug). | 2020-11-09T15:01:11 | 2020-11-09T15:01:11 | {} | MEMBER |
ClickHouse | ClickHouse | 724,702,248 | 16,835 | rjfh1980s | > This problem looks like an unrecognized result set structure encountered when trying to fetch the MySQL table structure.
>
> Can you try to execute `SHOW CREATE TABLE ${any_table}` ? And paste the result(or result set structure) into this issue?
I can see some other errors in the error log when I'm creating and... | 2020-11-10T13:29:48 | 2020-11-10T13:31:03 | {} | NONE |
ClickHouse | ClickHouse | 723,696,321 | 10,505 | alexey-milovidov | You should ask Google Colab support about this issue. | 2020-11-09T00:51:10 | 2020-11-09T00:51:10 | {} | MEMBER |
ClickHouse | ClickHouse | 723,991,816 | 16,433 | nvartolomei | The first problem with quotas is that they are per interval. Second is that they have 1:1 mapping to a user, can't share it between multiple users.
Regarding roles, they are not hierarchical as I understand. Do you propose to make roles hierarchical? And then allow assigning quotas per roles?
The proposed mechani... | 2020-11-09T12:48:13 | 2020-11-09T12:48:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,634,957 | 16,695 | trollhe | thanks , Successfully processed. config file move to `/etc/clickhouse-server/users.d/ ` | 2020-11-10T11:12:07 | 2020-11-10T11:12:07 | {} | NONE |
ClickHouse | ClickHouse | 723,692,172 | 10,019 | alexey-milovidov | @azat Row based filters should be processed strictly before PREWHERE to be secure.
I doubt about in-order short-circuit processing of AND. | 2020-11-09T00:32:48 | 2020-11-09T00:32:48 | {} | MEMBER |
ClickHouse | ClickHouse | 723,752,955 | 6,349 | azat | @alexey-milovidov
>second query is not logged in query_log which causes 2 minor issues:
This is my todo list, I'm planning to separate local and distributed queries to separate processes (i.e. in system.processes), thus there will be:
- separate system.processes entries
- separate logging
- separate entries i... | 2020-11-09T04:54:21 | 2020-11-09T04:54:35 | {} | MEMBER |
ClickHouse | ClickHouse | 723,939,285 | 16,751 | tavplubix | Integration tests - test_storage_kafka - failure is related: https://gist.github.com/tavplubix/26022e8f3fbdb9451068ed5c98aeeb75 | 2020-11-09T11:00:24 | 2020-11-09T11:00:24 | {} | MEMBER |
ClickHouse | ClickHouse | 723,973,439 | 14,977 | ghost | @alexey-milovidov
I appreciate that you completely fixed this codes. I will try to write source codes more precisely so that other people would be able to read my code easily.
I learned a lot from you. thank you. | 2020-11-09T12:08:19 | 2020-11-09T12:08:19 | {} | NONE |
ClickHouse | ClickHouse | 724,037,346 | 16,805 | filimonov | @amosbird can you help with that? | 2020-11-09T14:11:43 | 2020-11-09T14:11:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,361,653 | 8,646 | kanterov | You can use standard roaring bitmap implementation. You need to prefix with length encoded as VarInt and byte marker saying that blob isLarge. Here large means that it uses roaring bitmap, see:
https://github.com/ClickHouse/ClickHouse/blob/master/src/AggregateFunctions/AggregateFunctionGroupBitmapData.h#L112 | 2020-11-10T00:10:19 | 2020-11-10T00:10:19 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,408,627 | 16,702 | baibaichen | @hodgesrm can we discuss here? Here are quote from slack:
> you are correct, at the level of individual blocks ClickHouse is very good and we rarely see problems. The transactional guarantees are not very consistent beyond that level. This is a community concern and I would encourage you to add your voice on the... | 2020-11-10T02:27:12 | 2020-11-10T02:27:12 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 724,523,925 | 16,627 | alesapin | ```
2020-11-09 15:27:11 [e2119a3fd15d] 2020.11.09 15:27:11.086007 [ 6886 ] {fe931347-6954-4169-be82-2fdfefcc7c1b} <Error> executeQuery: Code: 529, e.displayText() = DB::Exception: OPTIMIZE cannot be done on this replica because it is not a leader (version 20.12.1.5136) (from [::1]:37216) (in query: OPTIMIZE TABLE r_pr... | 2020-11-10T07:42:08 | 2020-11-10T07:42:08 | {} | MEMBER |
ClickHouse | ClickHouse | 724,609,786 | 16,830 | ucasfl | Because your server does not start up succussfully. | 2020-11-10T10:22:40 | 2020-11-10T10:22:40 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 724,633,898 | 16,830 | trollhe | you s
> 
> connect to
Are you starting in the right way?
try use clickhouse user to start service , or 'service clickhouse-server start'?
| 2020-11-10T11:10:02 | 2020-11-10T11:10:02 | {} | NONE |
ClickHouse | ClickHouse | 724,698,577 | 16,835 | zhang2014 | This problem looks like an unrecognized result set structure encountered when trying to fetch the MySQL table structure.
Can you try to execute `SHOW CREATE TABLE ${any_table}` ? And paste the result(or result set structure) into this issue?
| 2020-11-10T13:23:03 | 2020-11-10T13:23:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 773,881,771 | 19,252 | alexey-milovidov | @filimonov
`clickhouse-benchmark --query "SELECT count() FROM test.hits WHERE NOT ignore(toIPv6(toString(ClientIP6)))"`
21.1:
```
localhost:9000, queries 354, QPS: 65.969, RPS: 585399431.258, MiB/s: 8932.567, result RPS: 65.969, result MiB/s: 0.001.
0.000% 0.012 sec.
10.000% 0.014 sec.
20.... | 2021-02-05T08:34:40 | 2021-02-05T08:34:40 | {} | MEMBER |
ClickHouse | ClickHouse | 773,905,082 | 19,562 | qoega | It was minimized query from
https://clickhouse-test-reports.s3.yandex.net/20094/d2c1a97d8618bb94b28cabb7abaee0de187e2b4f/fuzzer_ubsan/report.html#fail1
``` sql
SELECT 0.00009999999747378752 * NULL, 1 * -2, 1024, sum(toUInt64(255, 1048576 * 65537, NULL * 100.0000991821289)) FROM (SELECT 1 * 1025, intDiv(number, 1.) ... | 2021-02-05T09:18:47 | 2021-02-05T09:18:47 | {} | MEMBER |
ClickHouse | ClickHouse | 773,917,150 | 19,969 | ys-zhaoyh | @alexey-milovidov I'm sorry to bother you. What more information do I need to provide? | 2021-02-05T09:40:06 | 2021-02-05T09:40:06 | {} | NONE |
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