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 | 557,090,737 | 7,872 | den-crane | >Hi, how can I query something like this
CH does not support correlated subqueries.
>I tried using JOIN like this
>but it showed processing all the rows from TABLE_B (tens of millions of rows).
It's actually the best way (HashJoin) to solve this on BigData.
>col2_from_a is the sorting key of TABLE_A, col2_... | 2019-11-21T13:44:45 | 2019-11-21T13:47:40 | {
"heart": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,364,794 | 7,522 | yingfeng | A[ new proposal](https://github.com/ClickHouse/ClickHouse/issues/7837) to redesign Kafka Engine could help to resolve this issue too | 2019-11-22T02:52:15 | 2019-11-22T02:52:15 | {} | NONE |
ClickHouse | ClickHouse | 557,652,307 | 7,895 | den-crane | uniqExact & group by & ..... &... does not take into account partitioning & sort order.
(no such optimization yet) | 2019-11-22T18:59:21 | 2019-11-22T18:59:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,727,516 | 7,856 | nickevin | It works, thanks. | 2019-11-22T23:08:10 | 2019-11-22T23:08:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,417,855 | 3,277 | darkleaf | Есть какие-нибудь новости? Очень хочется эту фичу. | 2019-11-22T07:06:15 | 2019-11-22T07:06:15 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,529,012 | 7,888 | tavplubix | There is setting `log_queries`, which enables query logging (disabled by default) and it may have different values for different users and profiles. | 2019-11-22T13:20:45 | 2019-11-22T13:20:45 | {} | MEMBER |
ClickHouse | ClickHouse | 557,594,452 | 2,621 | den-crane | > @den-crane, в вашем случае пользователь получил ошибку ?
> у меня заливатор получает "200 OK" и не может определить что операция не выполнилась.
ОК. Это интересно.
Непонятно `заливатор должен понимать ошибку 500 и делать повторную попытку отправить данные.`.
Т.е. заливатор получает 500 и при повторе 200 и д... | 2019-11-22T16:13:49 | 2019-11-22T16:14:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,968,921 | 7,572 | zhang2014 | The overall logic is almost the same as before, except that:
- CustomExecutor is split into two [method](https://github.com/ClickHouse/ClickHouse/pull/7572/files#diff-0570b5612cf5edeb8f08779efc1189ccR28) (They have new names: `HTTPHandlerCreator` and `HTTPHandlerMatcher`. `HTTPHandlerMatcher` determines whether the `... | 2019-11-25T03:12:42 | 2019-11-25T03:12:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,840,807 | 7,848 | sundy-li | @nauu BTW, there's a tool in `ClickHouse/docs/tools/easy_diff.py`, we shall use it for tracking docs update. | 2019-11-20T05:11:03 | 2019-11-20T08:27:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,987,437 | 7,678 | millb | 01019_Buffer_and_max_memory_usage fail isn't caused by my changes. | 2019-11-20T12:42:27 | 2019-11-20T12:42:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,080,891 | 1,118 | hustnn | > First, we are planning to implement rich profiling info for a query, to know,
how much time is spent in each server node, in each thread for each subquery, on
CPU, disk IO, network and synchronization.
@alexey-milovidov Do you know the PRs about this task? | 2019-11-21T13:18:44 | 2019-11-21T13:18:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,416,966 | 7,885 | tmpbin | I got same issue,
I tested and used these docker images on docker: `yandex/clickhouse-server:19.15`, `yandex/clickhouse-server:19.16`, `yandex/clickhouse-server:19.17`
when I run `select count(*) from mysql('xxxx', '**', '***', '*****', '****') ` server returns
```
┌─count()─┐
│ 0 │
└─────────┘
1 rows ... | 2019-11-22T07:02:49 | 2019-11-22T07:14:13 | {} | NONE |
ClickHouse | ClickHouse | 558,266,983 | 7,817 | yamrzou | Thank you guys for your reactivity! | 2019-11-25T17:50:47 | 2019-11-25T17:50:47 | {} | NONE |
ClickHouse | ClickHouse | 556,215,798 | 7,865 | den-crane | Ah, double quote escaping works only inside quoted string.
```
749a2c8c-3682-4745-aefe-c21b3164bade,name,"""Y COMPANY"" COM"
749a2c8c-3682-4745-aefe-c21b3164bade,hash,67FF87AF9E9E4BA9E4C03FAC4A23F21C
```
-----------------------
So yeah CH supports only double quote escaping by double quote.
This string `[,"M... | 2019-11-20T18:31:08 | 2019-11-20T19:08:49 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,268,213 | 7,779 | tavplubix | msan report looks not related to this changes | 2019-11-21T20:56:00 | 2019-11-21T20:56:00 | {} | MEMBER |
ClickHouse | ClickHouse | 557,411,643 | 7,885 | filimonov | 1) What is MySQL version? distribution ( mysql, mariadb, percona)?
2) can you please show also how table was created on mysql side? (i.e. create table statement) | 2019-11-22T06:41:40 | 2019-11-22T06:41:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,672,406 | 7,837 | josepowera | Just a comment regarding "as low number of destinations as possible" for Exactly-Once
There should be a way to send to multiple destinations at the end (using MV, cascded MV or something similar) as in issue #6430 | 2019-11-22T19:57:26 | 2019-11-22T19:57:26 | {} | NONE |
ClickHouse | ClickHouse | 558,146,012 | 7,888 | Tasselmi | > @Tasselmi it's a user or query level setting, so it must be set in users.xml for a user profile.
OK.
It works fine now. Thanks. | 2019-11-25T13:04:30 | 2019-11-25T13:04:30 | {} | NONE |
ClickHouse | ClickHouse | 555,862,440 | 7,856 | nickevin | I meet the same question, and I need help. | 2019-11-20T06:40:03 | 2019-11-20T06:40:03 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,038,829 | 7,863 | Jokser | To avoid `minio` module missing in integration tests image `yandex/clickhouse-integration-tests-runner` should be rebuild using modified Dockerfile in the current branch. | 2019-11-20T14:56:09 | 2019-11-20T14:56:09 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,089,858 | 7,874 | tavplubix | Most likely it happened because `.dockerignore` does not affect `--volume` bindings, so python cache files created outside container was used inside it. Try remove all `__pycache__` dirs and `*.pyc` files in `/bigdata/zhichyu/2/ClickHouse/dbms/tests/integration/` and sub-directories, it should help. | 2019-11-21T13:42:34 | 2019-11-21T13:42:34 | {} | MEMBER |
ClickHouse | ClickHouse | 557,757,246 | 7,888 | Tasselmi | > There is setting `log_queries`, which enables query logging (disabled by default) and it may have different values for different users and profiles.
I've setted `log_queries` in `config.xml`. | 2019-11-23T02:26:58 | 2019-11-23T02:26:58 | {} | NONE |
ClickHouse | ClickHouse | 557,843,806 | 7,892 | filimonov | ```
SELECT xxHash64(toString(generateUUIDv4()))
FROM numbers(1000000)
FORMAT Null
1000000 rows in set. Elapsed: 0.069 sec. Processed 1.05 million rows, 8.39 MB (15.26 million rows/s., 122.07 MB/s.)
laptop5591 :) select xxHash64(reinterpretAsFixedString(generateUUIDv4())) from numbers(1000000) format Null;
... | 2019-11-23T23:54:57 | 2019-11-23T23:54:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,003,520 | 7,572 | zhang2014 | The document will be commit in another pr | 2019-11-25T05:59:59 | 2019-11-25T05:59:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,091,757 | 6,877 | filimonov | @gongled not sure if you have the same. Can you please attach full stack trace, i.e. lines which follows "Address not mapped to object" | 2019-11-25T10:29:13 | 2019-11-25T10:29:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,118,389 | 7,902 | abyss7 | Also please provide the ACL information on `/var/lib/clickhouse/status`, `/var/lib/clickhouse/metadata/system//query_log_0.sql` and all intermediate folders - owner, group, access rights.
And tell under which user you're starting `clickhouse-server`? | 2019-11-25T11:40:54 | 2019-11-25T11:40:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,139,125 | 6,877 | KochetovNicolai | @filimonov to reproduce it you probably need to kill server in the middle of alter. It still may be not trivial to reproduce (I've converted all non-PK columns from out test server several month ago and saw no problems).
@volfco @gongled is it possible for you to send me your data which causes seagfault? | 2019-11-25T12:44:11 | 2019-11-25T12:44:11 | {} | MEMBER |
ClickHouse | ClickHouse | 558,204,244 | 7,910 | abyss7 | Please, describe the points 4) and 5) in more details:
- What exact data do you send to port 9000?
- What port exactly can't you connect to afterwards and how does it look like? What is an error message on client?
- Is the mentioned error message the only one, or are there more messages?
- Why do you send to server... | 2019-11-25T15:24:42 | 2019-11-25T15:24:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,077,825 | 7,876 | filimonov | as a workaround / expected behavior:
```
SET date_time_input_format = 'best_effort'
SELECT toDateTime('<Empty>')
Received exception from server (version 19.18.1):
Code: 41. DB::Exception: Received from localhost:9000. DB::Exception: Cannot parse datetime: Cannot parse DateTime from String.
0 rows in set. E... | 2019-11-21T13:10:48 | 2019-11-21T13:10:48 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,964,508 | 7,872 | qza1800 | @den-crane Thank you so much for your useful information.
Actually I thought about the query you suggested, but I'm trying to create a `View` which `<some filter from TABLE_A>` is coming later. | 2019-11-25T02:40:52 | 2019-11-25T02:40:52 | {} | NONE |
ClickHouse | ClickHouse | 558,116,870 | 7,902 | abyss7 | From what version have you upgraded? | 2019-11-25T11:36:11 | 2019-11-25T11:36:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,285,893 | 7,913 | KochetovNicolai | [#CLICKHOUSE-4621] | 2019-11-25T18:39:53 | 2019-11-25T18:39:53 | {} | MEMBER |
ClickHouse | ClickHouse | 556,006,536 | 7,840 | nikitamikhaylov | Everything is ok. But you have realization details in abstraction which is incorrect (according to SOLID and common sense). I've already told you how to fix it in private messages. | 2019-11-20T13:37:24 | 2019-11-20T13:37:24 | {} | MEMBER |
ClickHouse | ClickHouse | 556,048,755 | 7,861 | rccclr | Hello
Many thanks for your response.
This is the file with problems (view image), some rows, has this problem and i need ignore, and load the rest.
When try:
clickhouse-client --format_csv_delimiter=$'\x0B' --format_csv_allow_double_quotes=0 --format_csv_allow_single_quotes=1 --input_format_allow_errors_num=1... | 2019-11-20T15:16:27 | 2019-11-20T15:16:27 | {} | NONE |
ClickHouse | ClickHouse | 556,183,295 | 7,865 | den-crane | --format_csv_allow_double_quotes=0
```
cat testdata.csv | clickhouse-client --format_csv_allow_double_quotes=0 --host=localhost --query='INSERT INTO events (event_id, property_name, property_value) FORMAT CSV'
``` | 2019-11-20T18:03:20 | 2019-11-20T18:45:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,010,302 | 7,865 | goranc | Thanks for info, sometimes is hard to find proper parameter.
Parameter "format_csv_allow_double_quotes" resolve the problem, and there is no need to escape double quote at all.
Other special characters should be escaped as usual.
| 2019-11-21T10:01:14 | 2019-11-21T10:01:14 | {} | NONE |
ClickHouse | ClickHouse | 557,147,410 | 2,416 | den-crane | > to reuse subquery result , please save a kid has suffered so much !!!
> `WITH (SELECT a, b, c FROM test) AS a_ table`
temporary tables https://clickhouse.yandex/docs/en/query_language/create/#temporary-tables | 2019-11-21T15:53:42 | 2019-11-21T15:53:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,386,715 | 2,416 | Tasselmi | > > to reuse subquery result , please save a kid has suffered so much !!!
> > `WITH (SELECT a, b, c FROM test) AS a_ table`
>
> temporary tables https://clickhouse.yandex/docs/en/query_language/create/#temporary-tables
this is not a very appropriate solution | 2019-11-22T04:44:49 | 2019-11-22T04:44:49 | {} | NONE |
ClickHouse | ClickHouse | 557,811,063 | 7,888 | alexey-milovidov | @Tasselmi it's a user or query level setting, so it must be set in users.xml for a user profile. | 2019-11-23T16:16:43 | 2019-11-23T16:16:43 | {} | MEMBER |
ClickHouse | ClickHouse | 557,868,702 | 7,572 | ValBaturin | @zhang2014 overall it looks great. Could you please provide a short description of what it's been done, so I'll speed less time playing a guessing game, you know. As I say it feels like a decent patch even though I haven't checked it fully yet. | 2019-11-24T08:40:27 | 2019-11-24T08:40:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,423,738 | 7,865 | alexey-milovidov | @den-crane backslash escaping is for TSV and escaping by doubling quotes is for CSV. | 2019-11-20T21:31:15 | 2019-11-20T21:31:15 | {} | MEMBER |
ClickHouse | ClickHouse | 557,093,122 | 7,877 | den-crane | Duplicate for https://github.com/ClickHouse/ClickHouse/issues/2416 | 2019-11-21T13:50:52 | 2019-11-21T13:50:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,112,822 | 2,416 | Tasselmi | to reuse subquery result , please save a kid has suffered so much !!!
`WITH (SELECT a, b, c FROM test) AS a_ table` | 2019-11-21T14:37:07 | 2019-11-21T14:37:07 | {} | NONE |
ClickHouse | ClickHouse | 557,502,620 | 32 | Rostish | Hi!
Could you update status for stored procedure feature? | 2019-11-22T11:48:39 | 2019-11-22T11:48:39 | {} | NONE |
ClickHouse | ClickHouse | 557,563,280 | 7,880 | akonyaev90 | Description fixed.
@tavplubix, can you restart "Description check" ?
Or I should push dummy commit? | 2019-11-22T14:58:50 | 2019-11-22T14:58:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,623,911 | 7,601 | tavplubix | Related: #7762 | 2019-11-22T17:36:33 | 2019-11-22T17:36:33 | {} | MEMBER |
ClickHouse | ClickHouse | 557,927,843 | 7,900 | vdimir | Also I add metric names in snake case following [prometheus guidelines](https://prometheus.io/docs/practices/naming/). I wrote names directly in source code, because some metrics should contain units suffix (or `_total`) and some names needs to be changed to plural form. | 2019-11-24T21:04:40 | 2019-11-24T21:04:40 | {} | MEMBER |
ClickHouse | ClickHouse | 558,273,763 | 7,900 | abyss7 | > Should AsyncMetrics be added to Prometheus ad in Graphite exporter?
> Or some data from system.parts, e.g. disk usage for each table or number of rows ?
For now we suggest that only `metrics` and `events` contain all that we need. | 2019-11-25T18:08:28 | 2019-11-25T18:08:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,944,022 | 7,817 | DeanThompson | I have also encountered this problem, my workaround is:
- Create a tmp table and change all `Float32` and `Float64` columns to `String`
- Load data to the tmp table
- Insert rows from tmp table, converting `String` values to Float (using `toFloat64OrNull` or other functions) | 2019-11-20T10:35:32 | 2019-11-20T10:35:32 | {} | NONE |
ClickHouse | ClickHouse | 556,012,215 | 7,864 | den-crane | All CH code is in this repo including all build scripts / rpm / deb / docker / freebsd / macos
https://github.com/ClickHouse/ClickHouse/tree/master/debian
https://github.com/ClickHouse/ClickHouse/blob/master/utils/release/release_lib.sh#L184 | 2019-11-20T13:52:26 | 2019-11-20T13:52:26 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,306,959 | 7,856 | filimonov | Maybe that can help: #5946
I.e.:
```
) engine = HDFS('hdfs://hduser3511@namenode/user/hive/warehouse/xxxxxx.db/table_hdfs/000000_0', CSV);
``` | 2019-11-21T22:47:13 | 2019-11-21T22:47:13 | {
"laugh": 3
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,375,089 | 7,884 | zhang2014 | LGTM | 2019-11-22T03:41:14 | 2019-11-22T03:41:14 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,524,305 | 7,891 | andrei-karpliuk | expect something like this:

| 2019-11-22T13:06:23 | 2019-11-22T13:06:23 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,640,352 | 7,892 | den-crane | select cityHash64(toString(toUUID('00da1615-acd3-48ec-8dfc-1cc78cae98ce'))) from numbers(1000000) format Null;
1000000 rows in set. Elapsed: 0.004 sec.
select xxHash32(toString(toUUID('00da1615-acd3-48ec-8dfc-1cc78cae98ce'))) from numbers(1000000) format Null;
1000000 rows in set. Elapsed: 0.003 sec. | 2019-11-22T18:26:28 | 2019-11-22T18:26:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,682,758 | 7,895 | George3d6 | Ok, but even in that case, I see no reason why `uniqExact` should run oom when the group-by variant doesn't. | 2019-11-22T20:29:43 | 2019-11-22T20:29:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,129,435 | 6,877 | filimonov | unsuccessful attempt to reproduce the bug:
```
DROP TABLE IF EXISTS test_low_cardinality_alter;
CREATE TABLE test_low_cardinality_alter
(
`id` String,
sample_type String,
inserted_on DateTime DEFAULT now(),
inserted_on_date Date DEFAULT toDate(inserted_on),
sign ... | 2019-11-25T12:15:12 | 2019-11-25T12:15:12 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,272,508 | 7,872 | filimonov | #6697 | 2019-11-21T21:08:16 | 2019-11-21T21:08:16 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,409,999 | 7,886 | filimonov | It is already fixed in master: #7777
As a workaround - cast to a 'wider' integer type first.
```sql
SELECT arrayIntersect([toUInt32(5), 6], [toUInt32(800262), 800261]) AS result;
-- or
SELECT arrayIntersect(CAST([5, 6],'Array(UInt32)'), CAST([800262, 800261],'Array(UInt32)')) AS result;
``` | 2019-11-22T06:35:03 | 2019-11-22T06:37:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,423,132 | 2,621 | urykhy | @den-crane, в вашем случае пользователь получил ошибку ?
у меня заливатор получает "200 OK" и не может определить что операция не выполнилась.
| 2019-11-22T07:27:39 | 2019-11-22T07:27:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,470,968 | 7,879 | Akazz | > Could you please also update ToC and create symlinks from zh, fa languages to en?
Thanks for pointing this out! I somehow took it for granted that ToC would update itself automatically | 2019-11-22T10:03:42 | 2019-11-22T10:03:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,908,344 | 7,900 | vdimir | Initial implementation very basic, and I want to discuss some question.
Prometheus support Histogram and Summary [metric types](https://prometheus.io/docs/concepts/metric_types/).
Should we use one of them (e.g. for `CurrentMetrics`)?
It may require collecting and analyzing metrics in background (now it scrapped... | 2019-11-24T17:12:01 | 2019-11-24T21:07:40 | {} | MEMBER |
ClickHouse | ClickHouse | 557,690,009 | 7,895 | den-crane | It could be because CH chooses different aggregation algorithms. But it difficult to reproduce.
I did several tests and [select A, uniqExact(B) from testuniqExact group by A] always eats 2 times less than [select A, count(*) from(select A, B from testuniqExact group by A,B) group by A ]
```
create table testun... | 2019-11-22T20:52:53 | 2019-11-22T20:55:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,693,419 | 7,895 | den-crane | Though. I can.
```
create table testuniqExact(A Int64, B Int64) Engine = MergeTree() order by tuple();
insert into testuniqExact select number, number*2 from numbers(100000000);
select A, uniqExact(B) from testuniqExact group by A format Null;
Peak memory usage (for query): 21.27 GiB.
select A, count(*) fro... | 2019-11-22T21:03:31 | 2019-11-22T21:03:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,784,743 | 7,837 | abyss7 | > Just a comment regarding "as low number of destinations as possible" for Exactly-Once
>
> There should be a way to send to multiple destinations at the end (using MV, cascded MV or something similar) as in issue #6430
This should work out-of-the-box, using MVs on `another_table` from example. | 2019-11-23T10:10:13 | 2019-11-23T10:10:13 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,130,993 | 7,899 | filimonov | Déjà vu https://github.com/ClickHouse/ClickHouse/issues/2093
/cc @alesapin | 2019-11-25T12:19:50 | 2019-11-25T12:20:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,286,758 | 7,907 | KochetovNicolai | [#CLICKHOUSE-1219] | 2019-11-25T18:42:05 | 2019-11-25T18:42:05 | {} | MEMBER |
ClickHouse | ClickHouse | 555,864,495 | 6,168 | YiuRULE | Alright, I tried to do my best concerning the test, hope than every will be fine now, could be reviewed again if needed :) | 2019-11-20T06:48:01 | 2019-11-20T06:48:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,909,499 | 7,859 | excitoon | Made complete pull request by mistake, it should be a draft... | 2019-11-20T09:06:01 | 2019-11-20T09:06:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,264,484 | 7,869 | cdraugr | The best commit I've ever seen..! | 2019-11-21T20:45:03 | 2019-11-21T20:45:03 | {} | NONE |
ClickHouse | ClickHouse | 557,577,801 | 7,885 | tavplubix | Probably related: #7762 | 2019-11-22T15:30:31 | 2019-11-22T15:30:31 | {} | MEMBER |
ClickHouse | ClickHouse | 557,695,343 | 7,895 | den-crane | https://github.com/ClickHouse/ClickHouse/issues/4510
https://github.com/ClickHouse/ClickHouse/issues/6565 | 2019-11-22T21:09:36 | 2019-11-22T21:09:36 | {
"rocket": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,182,243 | 7,835 | abyss7 | @filimonov did the cache clean-up actually help? | 2019-11-20T18:02:25 | 2019-11-20T18:02:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,023,668 | 7,093 | hustnn | Hi @alexey-milovidov
I want to add elapsed time for each stream like **BlockInputStream to get more detailed performance result? Is there any example on it?
Thanks. | 2019-11-21T10:34:39 | 2019-11-21T10:34:39 | {
"eyes": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,287,139 | 2,621 | den-crane | @urykhy неатомарность вставки в таблицу и MV -- общеизвестны (by design) и документированы. Легко воспроизводится throwIf
```
create table testX ( A Int64) engine=MergeTree order by tuple();
create MATERIALIZED view testXA engine=MergeTree order by tuple() as select * from testX;
create MATERIALIZED view testXB... | 2019-11-21T21:47:39 | 2019-11-21T21:49:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,484,139 | 7,572 | zhang2014 | @ValBaturin Can you help me review this PR again?
| 2019-11-22T10:44:21 | 2019-11-22T10:44:21 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,964,727 | 7,872 | qza1800 | > #6697
So I think I should close this issue here. Thank you. | 2019-11-25T02:42:13 | 2019-11-25T02:42:13 | {} | NONE |
ClickHouse | ClickHouse | 558,097,586 | 2,621 | urykhy | заливатор периодически получает 500 и повторяет заливку блока до получения "200 OK".
| 2019-11-25T10:43:07 | 2019-11-25T10:43:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,187,112 | 7,911 | KochetovNicolai | Can't find any related issue ... | 2019-11-25T14:45:32 | 2019-11-25T14:45:32 | {} | MEMBER |
ClickHouse | ClickHouse | 554,369,610 | 7,572 | zhang2014 | @ValBaturin Thanks your review
> Executor family doesn't fit into the current interpreter design. HTTPInputStreams and HTTPOutputStreams should be defined in DataStreams or at least in server.
I move them into DataStreams
> CustomHTTP name as it was already mentioned above is misleading e.g. it might mean an ... | 2019-11-15T14:02:35 | 2019-11-20T10:44:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,050,254 | 2,621 | urykhy | сделали стенд (к сожалению он использует внутренние компоненты, но думаю повторить не сложно) для выявления бага:
1. КХ (19.15.3.6) + ZK
2. 1 шард. реплицируемая таблица (куда заливаем данные) + реплицируемая MV.
3. запускаем заливку данных, заливатор должен понимать ошибку 500 и делать повторную попытку отправить... | 2019-11-21T11:48:54 | 2019-11-21T11:49:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,242,336 | 7,882 | den-crane | As I understand this is by performance reason.
But maybe in case of error CH can try to analyze / parse it with a slow parser (fallback) to produce more clear message?
| 2019-11-21T19:43:59 | 2019-11-21T19:47:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,659,659 | 7,817 | den-crane | JFYI fixed: 19.17.4.11-stable , 19.16.5.15-stable | 2019-11-22T19:20:25 | 2019-11-22T19:20:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,946,078 | 7,812 | yuzhichang | @akuzm All tests passed. It's ready to merge. | 2019-11-25T00:29:01 | 2019-11-25T00:29:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,889,122 | 7,114 | filimonov | It seems like the reason is pthread is not linked into protoc directly, and `protoc` works only when one of the libraries it links (for example libunwind) requires pthread.
That dirty hack fixes the gcc-9 build:
```diff
diff --git a/cmake/protoc.cmake b/cmake/protoc.cmake
index 5777b16..49aa106 100644
--- a/cm... | 2019-11-20T08:10:43 | 2019-11-20T08:11:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 555,892,777 | 7,603 | kevintop | What is the cause of this problem? How to avoid? | 2019-11-20T08:20:38 | 2019-11-20T08:20:38 | {} | NONE |
ClickHouse | ClickHouse | 555,930,178 | 6,168 | nikitamikhaylov | That's amazing! I will read it in a day. | 2019-11-20T09:58:44 | 2019-11-20T09:58:44 | {} | MEMBER |
ClickHouse | ClickHouse | 556,027,400 | 7,861 | den-crane | try invisible character
--format_csv_delimiter=$'\x0B'
and
--format_csv_allow_single_quotes=0
or
--format_csv_allow_double_quotes=0 | 2019-11-20T14:30:00 | 2019-11-20T14:33:02 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,089,375 | 7,864 | filimonov | Here is (unfinished) PR which builds ClickHouse natively and also produce srpm:
https://github.com/ClickHouse/ClickHouse/pull/7120
Also Altinity rpm builder is able to produce srpm: https://github.com/Altinity/clickhouse-rpm | 2019-11-20T16:37:08 | 2019-11-20T16:37:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,983,926 | 7,861 | rccclr | Many thanks for you help.
Clickhouse is the best... | 2019-11-21T08:55:31 | 2019-11-21T08:55:31 | {} | NONE |
ClickHouse | ClickHouse | 557,356,780 | 7,874 | yuzhichang | @tavplubix Your suggestion works! Thanks.
It's better to set `PY_IGNORE_IMPORTMISMATCH=1` and remove all `__pycache__` dirs and `*.pyc` files at `dbms/tests/integration/image/dockerd-entrypoint.sh` and `runner`.
And it's even better to simplify integration framework. Python dependencies and container-in-container mak... | 2019-11-22T02:15:48 | 2019-11-22T02:19:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,577,849 | 7,893 | nikitamikhaylov | #3280 | 2019-11-22T15:30:37 | 2019-11-22T15:30:37 | {} | MEMBER |
ClickHouse | ClickHouse | 557,595,782 | 2,416 | den-crane |
> this is not a very appropriate solution
There is no other solutions. So. | 2019-11-22T16:17:29 | 2019-11-22T16:17:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,958,841 | 7,900 | zhang2014 | Can it be implemented through a configuration of this #7572 ? | 2019-11-25T02:05:41 | 2019-11-25T02:05:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,126,155 | 5,289 | filimonov | I wasn't able to reproduce that. :\ But there are other reports that the bug is still here.
I've tried that:
```
DROP TABLE IF EXISTS test_low_cardinality_alter2;
CREATE TABLE test_low_cardinality_alter2
(
id UInt64,
val Enum8(
'val0' = 0,
'val1' = 1,
'val2' = 2,
'... | 2019-11-25T12:05:18 | 2019-11-25T12:06:12 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 556,053,466 | 7,861 | den-crane | I would replace all \r\n with \n
`cat file_with_problem.csv | tr '\r\n' '\n' | clickhouse-client --format_csv_delimiter=$'\x0B' ....`
or all \r with \n
`cat file_with_problem.csv | tr '\r' '\n' | clickhouse-client --format_csv_delimiter=$'\x0B' ....`
| 2019-11-20T15:25:59 | 2019-11-20T15:25:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 557,470,648 | 7,408 | svladykin | @filimonov
Thanks a lot!
Tried `migrate`, it looks promising but it seems that it does not support inserts.
How do you prepopulate the database with some initial data? | 2019-11-22T10:02:51 | 2019-11-22T10:02:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,090,666 | 6,877 | filimonov | Looks similar to #5289 | 2019-11-25T10:26:26 | 2019-11-25T10:26:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,177,008 | 7,887 | filimonov | > the system.query_thread_log has some problem, restart doesn't load the table
Did you really have some problem? Maybe it was just trying to write stat about some query executed during server startup (like dictionary initialization) to `system.query_thread_log` before the table was attached? :confused: | 2019-11-25T14:21:33 | 2019-11-25T14:21:33 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 558,274,652 | 7,911 | filimonov | Check that comment:
https://github.com/ClickHouse/ClickHouse/issues/971#issuecomment-547626460
That looks somehow related too:
https://github.com/ClickHouse/ClickHouse/issues/2827
Maybe also related:
https://github.com/ClickHouse/ClickHouse/issues/3140
https://github.com/ClickHouse/ClickHouse/issues/2285
htt... | 2019-11-25T18:10:37 | 2019-11-25T18:24:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 535,014,958 | 7,065 | abyss7 | > Tbh, I still don't have a clear mind of all other broken cases, but the way in current PR should work. I've asked for a minimal broken example in [jemalloc/jemalloc#1636](https://github.com/jemalloc/jemalloc/issues/1636) . Hopefully we can get a better idea of what might go wrong when linking to a DSO containing jema... | 2019-09-25T13:11:20 | 2019-09-25T13:11:20 | {} | CONTRIBUTOR |
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