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 | 590,269,345 | 9,253 | zhuyoucui0909 | Any updates? | 2020-02-24T11:06:10 | 2020-02-24T11:06:10 | {} | NONE |
ClickHouse | ClickHouse | 590,286,879 | 9,336 | filimonov | >One more requirement: compatibility mode should also support double quotes for strings, as MySQL does.
This one is very questionable, as MySQL behavior in that part is not standard and adjustable:
https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_ansi_quotes | 2020-02-24T11:58:26 | 2020-02-24T11:58:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,299,952 | 9,334 | filimonov | Again that sounds a bit like some broker is not in sync.
Please try
```
./kafka-topics.sh --describe --zookeeper ${ip}:2181 --topic test
```
`Isr` number (in-sync-replicas) should be the same as `replicas` | 2020-02-24T12:38:31 | 2020-02-24T12:39:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,475,894 | 9,344 | alexey-milovidov | Yes, it helped.
https://github.com/lemire/simdjson/pull/306 | 2020-02-24T18:20:06 | 2020-02-24T18:20:06 | {} | MEMBER |
ClickHouse | ClickHouse | 590,666,052 | 9,350 | ivanikonomov | This should be nice start https://www.youtube.com/watch?v=ZOZQCQEtrz8 | 2020-02-25T03:34:32 | 2020-02-25T03:34:32 | {} | NONE |
ClickHouse | ClickHouse | 590,759,288 | 9,348 | alexey-milovidov | Ok. Docker image will be updated after merge. | 2020-02-25T09:05:43 | 2020-02-25T09:05:43 | {} | MEMBER |
ClickHouse | ClickHouse | 590,281,028 | 9,334 | filimonov | Interesting.
1) if you have multiple Kafka brokers - please check if they are in sync.
2) Please find in logs the first time that offset appears, and check if something suspicious was happening at that time.
3) if it possible please enable librdkafka logging by adding the following line to your config.xml.
```xml
... | 2020-02-24T11:40:18 | 2020-02-24T11:41:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,284,103 | 9,337 | filimonov | Right now it's not supported.
We can add support for that in future version in pair of virtual columns like
```
_header_names Array(String),
_header_values Array(String)
```
Would such a solution satisfy your needs? | 2020-02-24T11:49:49 | 2020-02-24T11:49:49 | {
"+1": 7
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,314,847 | 9,337 | nickshatilo | We are willing to have this feature too. Would be very helpful. | 2020-02-24T13:16:46 | 2020-02-24T13:16:54 | {} | NONE |
ClickHouse | ClickHouse | 590,497,640 | 8,956 | alexey-milovidov | Performance test Ok. | 2020-02-24T19:08:14 | 2020-02-24T19:08:14 | {} | MEMBER |
ClickHouse | ClickHouse | 590,741,318 | 9,352 | alexey-milovidov | You can use `index` as a column name if you quote it as identifier (in double quotes or backticks)
```
CREATE TABLE test (`index` Int32) ENGINE = Memory;
```
```
CREATE TABLE test ("index" Int32) ENGINE = Memory;
``` | 2020-02-25T08:19:03 | 2020-02-25T08:19:03 | {} | MEMBER |
ClickHouse | ClickHouse | 590,759,442 | 9,348 | alexey-milovidov | @alesapin Do we have another image for performance tests? | 2020-02-25T09:06:07 | 2020-02-25T09:06:07 | {} | MEMBER |
ClickHouse | ClickHouse | 590,924,290 | 9,331 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:29:01 | 2020-02-25T15:29:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,215,012 | 8,573 | Felixoid | @dstruck yes, it will be backported, but not yet https://github.com/ClickHouse/ClickHouse/commit/7cd87125c72a1e779baa609606d6d8dae60b97e0 (see the current tags `v20.2.1.2443-prestable v20.2.1.2442-testing v20.2.1.2425-testing v20.2.1.2412-testing v20.2.1.2394-testing v20.2.1.2386-testing v20.2.1.2382-testing v20.2.1.23... | 2020-02-24T08:37:46 | 2020-02-24T08:37:46 | {} | MEMBER |
ClickHouse | ClickHouse | 590,358,718 | 9,323 | alexey-milovidov | Performance test is failed, need to fix. | 2020-02-24T14:51:33 | 2020-02-24T14:51:33 | {} | MEMBER |
ClickHouse | ClickHouse | 590,747,395 | 9,354 | vpanfilov | Reproducible example (requires cluster of two or more servers):
```sql
SELECT
database,
name,
countIf(toLowCardinality(name) NOT IN ('tables', 'functions'))
FROM cluster('<CLUSTER_NAME>', 'system.tables')
GROUP BY
database,
name
↘ Progress: 0.00 rows, 0.00 B (0.00 rows/s., 0.00 B/s.) R... | 2020-02-25T08:35:14 | 2020-02-25T08:35:14 | {} | NONE |
ClickHouse | ClickHouse | 591,345,702 | 9,377 | alexey-milovidov | It's possible to implement
`SELECT range(toNullable(1))`
if we will simply throw when argument is NULL. | 2020-02-26T10:09:35 | 2020-02-26T10:09:35 | {} | MEMBER |
ClickHouse | ClickHouse | 590,117,653 | 9,091 | alexey-milovidov | The operation is very slow. It processes data by single bytes:
```
14.29 │28:┌─ mov (%rsi),%rcx ▒
3.57 │ │ mo... | 2020-02-23T21:21:11 | 2020-02-23T21:21:11 | {} | MEMBER |
ClickHouse | ClickHouse | 590,117,806 | 9,091 | alexey-milovidov | `SELECT count() FROM system.numbers WHERE NOT ignore(bitXor(reinterpretAsFixedString(number), reinterpretAsFixedString(number + 1)))`
- 71 million rows per second.
`SELECT count() FROM system.numbers WHERE NOT ignore(bitXor(reinterpretAsFixedString(number), reinterpretAsFixedString(0xabcd0123cdef4567)))`
- 12 mill... | 2020-02-23T21:22:35 | 2020-02-23T21:24:01 | {} | MEMBER |
ClickHouse | ClickHouse | 590,282,486 | 9,334 | ilyakarol | 1. It looks like everything ok with brokers (other topics/partitions/consumers work just fine)
2. Already done - nothing criminal neither in Clickhouse logs nor in Kafka logs
3. Will do
Thank you for the quick reply. | 2020-02-24T11:44:35 | 2020-02-24T11:44:35 | {} | NONE |
ClickHouse | ClickHouse | 590,285,135 | 8,886 | filimonov | Some progress and discussions in https://github.com/ClickHouse/ClickHouse/pull/8956 | 2020-02-24T11:53:10 | 2020-02-24T11:53:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,415,069 | 9,335 | den-crane | It works in UTC
SELECT *
FROM table1
```
┌─pc───┬─pf───┬─gi─┬─gu─┬──────────────────d0─┬───────────timestamp─┐
│ test │ java │ 12 │ 0 │ 1970-01-01 05:50:34 │ 0000-00-00 00:00:00 │
└──────┴──────┴────┴────┴─────────────────────┴─────────────────────┘
┌─pc───┬─pf───┬─gi─┬─gu─┬──────────────────d0─┬───────────... | 2020-02-24T16:22:59 | 2020-02-24T16:22:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,610,059 | 9,303 | filimonov | config look like default. Maybe you pass some more command line parameters? | 2020-02-24T23:59:37 | 2020-02-24T23:59:37 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,650,474 | 9,350 | BernieJiangDL | For example, clickhouse can scan faster than others. but why? | 2020-02-25T02:30:37 | 2020-02-25T02:30:37 | {} | NONE |
ClickHouse | ClickHouse | 591,003,973 | 9,355 | alexey-milovidov | Please look at the build check. | 2020-02-25T18:40:06 | 2020-02-25T18:40:06 | {} | MEMBER |
ClickHouse | ClickHouse | 590,082,608 | 9,271 | 42997455 | Thanks a lot! | 2020-02-23T15:49:56 | 2020-02-23T15:49:56 | {} | NONE |
ClickHouse | ClickHouse | 590,260,643 | 7,435 | isp1356 | I have a similar issue here on version `20.1.4.14`, using AggregatingMergeTree and TTL (1 day):
```sql
CREATE TABLE testtable
(
`__slot` DateTime,
`poller` LowCardinality(String)
)
ENGINE = AggregatingMergeTree()
PARTITION BY toYYYYMMDD(toStartOfInterval(__slot, toIntervalDay(1)))
PRIMARY KEY (__slot,... | 2020-02-24T10:43:15 | 2020-02-24T10:43:15 | {} | NONE |
ClickHouse | ClickHouse | 590,369,376 | 8,990 | alexey-milovidov | configs are located in source directory:
`~/Clickhouse/dbms/programs/server`
You can go to the source directory and create a symlink `clickhouse-server` to the built binary. | 2020-02-24T15:10:11 | 2020-02-24T15:10:11 | {} | MEMBER |
ClickHouse | ClickHouse | 590,475,808 | 9,209 | alexey-milovidov | https://github.com/lemire/simdjson/pull/306 | 2020-02-24T18:19:56 | 2020-02-24T18:19:56 | {} | MEMBER |
ClickHouse | ClickHouse | 590,498,034 | 8,956 | alexey-milovidov | 01017_uniqCombined_memory_usage
01076_parallel_alter_replicated_zookeeper
- flacky tests.
| 2020-02-24T19:09:09 | 2020-02-24T19:09:09 | {} | MEMBER |
ClickHouse | ClickHouse | 590,119,089 | 8,956 | alexey-milovidov | Update of OpenSSL did not solve the TSan report: https://clickhouse-test-reports.s3.yandex.net/8956/b4d3ed83403033bdb293bd40f7f9055a6cf0d711/functional_stateless_tests_(thread)/stderr.log | 2020-02-23T21:36:31 | 2020-02-23T21:36:31 | {} | MEMBER |
ClickHouse | ClickHouse | 590,146,406 | 9,176 | onine007 | [ch.log](https://github.com/ClickHouse/ClickHouse/files/4242895/ch.log)
@den-crane Is it because partition key is a MATERIALIZED ?
Or is it no data to delete?
ddl:
CREATE TABLE my_sdap.dm_user_behavior_events (`dt` UInt32, `user_id` UInt32, `event_time` DateTime, `event_month` UInt32 MATERIALIZED toYYYYMM(eve... | 2020-02-24T02:10:48 | 2020-02-24T03:02:00 | {} | NONE |
ClickHouse | ClickHouse | 590,227,644 | 9,325 | alexey-milovidov | Nothing changed according to performance tests. | 2020-02-24T09:14:42 | 2020-02-24T09:14:42 | {} | MEMBER |
ClickHouse | ClickHouse | 590,257,854 | 9,271 | 42997455 | Hi @den-crane , I test the result-overflow-mode with 'break', found it really will not throw exception for a query which result should be more than my max_result_rows setting(10 rows), but I found it will return all the result rows(4955 rows), it is not what I expected, I think it should be like limit 10, and return 10... | 2020-02-24T10:35:54 | 2020-02-24T10:35:54 | {} | NONE |
ClickHouse | ClickHouse | 590,286,269 | 9,334 | ilyakarol | We have 5 topics with 4 partitions per topic, it seems like only consumers from partition #0 could be broken. | 2020-02-24T11:56:34 | 2020-02-24T11:56:34 | {} | NONE |
ClickHouse | ClickHouse | 590,710,904 | 6,852 | templarzq | up | 2020-02-25T06:46:28 | 2020-02-25T06:46:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,828,919 | 9,360 | 4ertus2 | Try to update. There were several crashes in EngineJoin in your version. | 2020-02-25T11:50:30 | 2020-02-25T11:50:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,923,952 | 9,333 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:28:25 | 2020-02-25T15:28:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,924,089 | 9,332 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:28:39 | 2020-02-25T15:28:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,967,915 | 9,369 | den-crane | That is how CH column aliases works.
You can use table aliases
```
SELECT
number * 2 AS number,
x.number,
x.number AS number_alias
FROM
(
SELECT 1000 AS number
) AS x
┌─number─┬─x.number─┬─number_alias─┐
│ 2000 │ 1000 │ 1000 │
└────────┴──────────┴──────────────┘
``` | 2020-02-25T17:09:00 | 2020-02-25T17:13:48 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,996,793 | 8,886 | alexey-milovidov | It has reproduced on version 20.1.4:
```
for i in {1..1000000}; do echo -n "$i " && curl -k https://localhost:8443; done
```
```
...
173929 Ok.
173930 curl: (56) OpenSSL SSL_read: error:14094438:SSL routines:ssl3_read_bytes:tlsv1 alert internal error, errno 0
173931 curl: (35) error:14094438:SSL routines:ss... | 2020-02-25T18:25:00 | 2020-02-25T18:27:04 | {} | MEMBER |
ClickHouse | ClickHouse | 590,092,764 | 9,156 | azat | >Sorry, it doesn't work as expected.
It does actually, the problem is that expectation is wrong.
> I'm always using static linking. And now the linker doesn't show me errors. Instead, I get errors at startup time:
I don't use static linking (shard + split + unbundled), and using this setup I got unresolved sym... | 2020-02-23T17:17:40 | 2020-02-23T17:17:40 | {} | MEMBER |
ClickHouse | ClickHouse | 590,288,224 | 9,335 | filimonov | DateTime type does not support properly the dates close to beginning of the epoch. Dates after 1970-01-02 should work properly.
DateTime64 - will have that support (work in progress).
For now, the best workaround is to store such dates as numbers of as strings, and do conversions outside of clickhouse. | 2020-02-24T12:02:12 | 2020-02-24T12:02:12 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,309,237 | 9,234 | filimonov | 1. stable branch is not supported currently (we removed it today). Use the `master` branch for development, or some particular tag to build a concrete version.
2. windows filesystem doesn't support symlinks properly, and when you clone repo with symlinks, they are converted to text files containing the path of target... | 2020-02-24T13:02:35 | 2020-02-24T13:02:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,741,789 | 9,352 | alexey-milovidov | And we already have a test for it: `00933_reserved_word.sql` | 2020-02-25T08:20:16 | 2020-02-25T08:20:16 | {} | MEMBER |
ClickHouse | ClickHouse | 590,194,348 | 8,568 | huang--yijian | > @dingxiangfei2009
>
> You trying to freshen package from one repo with package from different repo with different distributor.
>
> You have to uninstall old version ad install new packages.
> Or you could try --force flag to replace files\packages
> For example: rpm --force -Uvh _19.17_
We upgraded ClickHo... | 2020-02-24T07:22:35 | 2020-02-24T07:22:35 | {} | NONE |
ClickHouse | ClickHouse | 590,308,073 | 9,334 | ilyakarol | As can I see, everything is okay (at least currently):
```
Topic: topic_name PartitionCount: 4 ReplicationFactor: 2 Configs: flush.ms=5000,segment.bytes=1073741824,flush.messages=5000,max.message.bytes=2000024
Topic: topic_name Partition: 0 Leader: 2 Replicas: 2,3 Isr: 2,3
Topic: topic_... | 2020-02-24T12:59:36 | 2020-02-24T13:00:05 | {} | NONE |
ClickHouse | ClickHouse | 590,627,956 | 9,243 | onine007 |
It reproduced on MergeTree table .
[delete_oom.log](https://github.com/ClickHouse/ClickHouse/files/4247570/delete_oom.log)
[restart_after_delete.log](https://github.com/ClickHouse/ClickHouse/files/4247571/restart_after_delete.log)
delete query:
alter table test.test_dm_user_behavior_events delete where e... | 2020-02-25T01:04:38 | 2020-02-25T01:04:38 | {} | NONE |
ClickHouse | ClickHouse | 590,109,801 | 6,168 | alexey-milovidov | There are some logical errors:
```
Logical error: 'Can't find queue-0000000077 in the memory queue. It is a bug'.
``` | 2020-02-23T20:02:47 | 2020-02-23T20:02:47 | {} | MEMBER |
ClickHouse | ClickHouse | 590,350,655 | 8,990 | vigneshrajarr | Thanks @fredchenbj , it helped. After CMake, `ninja` built CH with some warnings, but no errors. PFA.
After that, `~/Clickhouse/build/dbms/programs/clickhouse-server` is not starting the server, throwing the following error.
`Poco::Exception. Code: 1000, e.code() = 0, e.displayText() = File not found: config.xml ... | 2020-02-24T14:36:53 | 2020-02-24T14:36:53 | {} | NONE |
ClickHouse | ClickHouse | 590,421,939 | 9,325 | alexey-milovidov | Yes, it makes sense. See https://github.com/ClickHouse/ClickHouse/pull/9091#issuecomment-590421657 (that was the motivation for this change) | 2020-02-24T16:35:10 | 2020-02-24T16:35:18 | {} | MEMBER |
ClickHouse | ClickHouse | 590,583,194 | 9,344 | alexey-milovidov | `01076_parallel_alter_replicated_zookeeper`
- flacky test. | 2020-02-24T22:33:03 | 2020-02-24T22:33:03 | {} | MEMBER |
ClickHouse | ClickHouse | 590,864,749 | 8,990 | vigneshrajarr | My issues have been fixed.
For reference:
While installing in MAC, following changes have been made for making it to work.
1. Installing dependencies and clone is done as given in docs.
2. While compiling using CMake, native compiler is used.
By passing the param, `-DLINKER_NAME=/usr/bin/ld`
3. Again follow the d... | 2020-02-25T13:24:50 | 2020-02-25T13:24:50 | {
"+1": 3
} | NONE |
ClickHouse | ClickHouse | 590,915,452 | 9,361 | den-crane | CH does not require uniq primary key.
ORDER BY (id0) -- the worst idea as it can be -- **NEVER EVER DO THAT.**
https://clickhouse.tech/docs/en/operations/table_engines/mergetree/#selecting-the-primary-key
You don't need autoincrement, you don't need (id0)
Choose some of your columns to sort the table to ach... | 2020-02-25T15:12:08 | 2020-02-25T15:19:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,291,270 | 9,276 | filimonov | 1) Are you able to create reproducible example?
2) If the problem will happen again - please run the following command from console:
```
apt-get install clickhouse-common-static-dbg=$(clickhouse-client --version-clean)
for i in $(ls -1 /proc/$(pidof clickhouse-server)/task/); do kill -TSTP $i; done
```
And att... | 2020-02-24T12:11:45 | 2020-02-24T12:11:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,474,540 | 7,795 | alexey-milovidov | Still relevant. | 2020-02-24T18:17:08 | 2020-02-24T18:17:08 | {} | MEMBER |
ClickHouse | ClickHouse | 590,502,262 | 9,176 | den-crane | it's only 2 seconds of log. I don't see any issue in it. | 2020-02-24T19:18:20 | 2020-02-24T19:18:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,582,037 | 9,323 | alexey-milovidov | Still have some issues: https://clickhouse-test-reports.s3.yandex.net/9323/61815d8684f78b813a1b5ada01604a19bb893d78/performance_test/comparison_max_rps_gcc_9.html | 2020-02-24T22:29:53 | 2020-02-24T22:29:53 | {} | MEMBER |
ClickHouse | ClickHouse | 591,230,803 | 5,295 | listenerri | This problem still exists. `19.16.9.37` `19.17.9.6` and `20.1.4.14`.
```
DB::Exception: Watching task /clickhouse/task_queue/ddl/query-0000000007 is executing longer than distributed_ddl_task_timeout (=180) seconds.
``` | 2020-02-26T04:19:57 | 2020-02-26T04:19:57 | {} | NONE |
ClickHouse | ClickHouse | 590,391,194 | 9,303 | eece-23 | > Can't reproduce on 20.2.1.2369
>
> Can you check the contents of /etc/clickhouse-client/config.xml
> ?
```xml
<!-- Config set into /etc/clickhouse-client/. It's used if no other configs are found. -->
<config>
<openSSL>
<client> <!-- Used for connection to server's secure tcp port -->
<caConf... | 2020-02-24T15:41:42 | 2020-02-24T23:53:15 | {} | NONE |
ClickHouse | ClickHouse | 590,915,319 | 9,361 | filimonov | > When I want to use ClickHouse mergetree engine I cannot do is as simply because it requires me to specify a primary key.
1) you can use `ORDER BY tuple()`
2) you can create complex key
3) primary in clickhouse isn't required to be unique | 2020-02-25T15:11:52 | 2020-02-25T15:13:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,110,421 | 8,956 | alexey-milovidov | First I will finish this PR to see what will change.
It's urgent because we have TSan report in https://github.com/openssl/openssl/issues/10379
Then we can consider downgrading. | 2020-02-23T20:09:34 | 2020-02-23T20:09:34 | {} | MEMBER |
ClickHouse | ClickHouse | 590,212,620 | 8,573 | dstruck | The issue is still present in the 20.1.4.14 version.
Should I open a new issue for this. I can also provide a docker test setup how to replicate the issue. | 2020-02-24T08:30:26 | 2020-02-24T08:31:21 | {} | NONE |
ClickHouse | ClickHouse | 590,298,410 | 9,079 | yurriy | > Integration test has failed for reason?
Yes, I noticed the failures, but had no time until today to reproduce and fix them. | 2020-02-24T12:33:36 | 2020-02-24T12:33:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,322,954 | 9,334 | filimonov | Please monitor your Kafka cluster, especially for in-sync replica (ISR) shrinks, under-replicated partitions, and unpreferred leaders. The replica is marked as out-of-sync only after reaching `replica.lag.time.max.ms` or `replica.lag.max.messages` (those are broker settings).
It may be visible only on some particula... | 2020-02-24T13:36:44 | 2020-02-24T13:38:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,522,705 | 9,271 | den-crane | it breaks on blocks and should be used along with limit.
```
18.14.19
create table testMRR(A Int64) Engine=MergeTree Order by tuple();
insert into testMRR select number from numbers(100000);
set max_threads=1, max_result_rows = 333, result_overflow_mode='break',
max_block_size=3333;
select * from testMRR ... | 2020-02-24T20:03:11 | 2020-02-24T20:03:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,813,377 | 8,886 | alexey-milovidov | Will try on VM... | 2020-02-25T11:07:53 | 2020-02-25T11:07:53 | {} | MEMBER |
ClickHouse | ClickHouse | 590,923,869 | 9,353 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:28:16 | 2020-02-25T15:28:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 591,088,840 | 8,886 | alexey-milovidov | It is also reproduced with the version from #8956
What is interesting is that at the time when issue started to reproduce, ssh connection is reset. | 2020-02-25T21:52:25 | 2020-02-25T21:52:25 | {} | MEMBER |
ClickHouse | ClickHouse | 591,309,880 | 9,336 | meob | I collected the SQL statements used by some tipical MySQL tools.
I used a legacy phpMyAdmin version since it is the easiest to hack.
Then the latest pgpMyAdmin version that is a bit more difficoult
to understand since it uses different threads connected to the database.
The latest one is DBeaver in which the first ... | 2020-02-26T08:51:22 | 2020-02-26T08:51:22 | {
"+1": 4
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,060,545 | 9,196 | alexey-milovidov | > That's interesting idea. We can apply regexp sequentially on data or even just extract all matches and skip everything else. It will require additional copying, though.
Custom row separator is more simple to implement.
It will be quite logical - if we allow custom row separator, we can also set it to empty string... | 2020-02-23T11:50:17 | 2020-02-23T11:54:46 | {} | MEMBER |
ClickHouse | ClickHouse | 590,182,941 | 9,091 | YiuRULE | @alexey-milovidov Hum I will try to apply an optimization, got an idea | 2020-02-24T06:26:53 | 2020-02-24T06:26:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,216,065 | 8,573 | dstruck | Thank you for the feedback.
I will then wait and re-test when the backported version is released. | 2020-02-24T08:40:56 | 2020-02-24T08:40:56 | {} | NONE |
ClickHouse | ClickHouse | 590,284,769 | 9,317 | filimonov | Duplicate of https://github.com/ClickHouse/ClickHouse/issues/8886 | 2020-02-24T11:51:56 | 2020-02-24T11:51:56 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,292,688 | 9,271 | filimonov | May relate to https://github.com/ClickHouse/ClickHouse/issues/8505 | 2020-02-24T12:15:35 | 2020-02-24T12:15:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,309,063 | 9,234 | alexey-milovidov | `stable` branch is obsolete and no longer needed.
You should checkout the latest stable tag instead that looks like
```
$ git tag --list | grep -F -- '-stable' | sort -rV | head
v20.1.4.14-stable
v20.1.3.7-stable
v20.1.2.4-stable
v19.17.9.60-stable
v19.17.8.54-stable
v19.17.7.52-stable
v19.17.6.36-stable
... | 2020-02-24T13:02:09 | 2020-02-24T13:02:09 | {} | MEMBER |
ClickHouse | ClickHouse | 590,340,973 | 9,336 | alex-zaitsev | > > One more requirement: compatibility mode should also support double quotes for strings, as MySQL does.
>
> This one is very questionable, as MySQL behavior in that part is not standard and adjustable:
> https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_ansi_quotes
Yes, it is not standard, but it ... | 2020-02-24T14:18:40 | 2020-02-24T14:18:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,418,048 | 8,673 | alexey-milovidov | We discussed that we need to check the return value of `std::filesystem::remove` and throw an exception (in all cases where there is no logic like exists -> remove). | 2020-02-24T16:28:21 | 2020-02-24T16:28:21 | {} | MEMBER |
ClickHouse | ClickHouse | 590,818,551 | 8,886 | alexey-milovidov | Will wait for an hour... | 2020-02-25T11:21:23 | 2020-02-25T11:21:23 | {} | MEMBER |
ClickHouse | ClickHouse | 590,924,421 | 9,330 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:29:16 | 2020-02-25T15:29:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 591,089,043 | 8,956 | alexey-milovidov | Update did not help. | 2020-02-25T21:52:55 | 2020-02-25T21:52:55 | {} | MEMBER |
ClickHouse | ClickHouse | 590,279,368 | 9,336 | alex-zaitsev | @meob , yes please add all incompatible commands that you have found so far. It will help a lot with implementation and testing.
One more requirement: compatibility mode should also support double quotes for strings, as MySQL does. | 2020-02-24T11:34:51 | 2020-02-24T11:34:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,421,657 | 9,091 | alexey-milovidov | ```
SELECT count() FROM system.numbers WHERE NOT ignore(bitXor(reinterpretAsFixedString(number), reinterpretAsFixedString(number + 1)))
```
This query was speed up to 138 million rows per second (two times) in #9325 branch:
```
55.56 │ 20:┌─ movdqu (%rsi,%rax,1),%xmm0 ... | 2020-02-24T16:34:35 | 2020-02-24T16:34:35 | {} | MEMBER |
ClickHouse | ClickHouse | 590,808,606 | 8,886 | alexey-milovidov | I cannot reproduce with
`for i in {1..10000}; do curl -k https://localhost:8443; done` | 2020-02-25T10:56:11 | 2020-02-25T10:56:11 | {} | MEMBER |
ClickHouse | ClickHouse | 590,881,784 | 9,365 | alexey-milovidov | This line: https://github.com/ClickHouse/ClickHouse/pull/9365/files#diff-4e5bcbe360e971e1bfd829f873cb5f58L240 | 2020-02-25T14:03:03 | 2020-02-25T14:03:03 | {} | MEMBER |
ClickHouse | ClickHouse | 591,193,044 | 9,374 | den-crane | > avgIfMerge(cpu_utilization.1) AS cpu_avg,
> maxIfMerge(cpu_utilization.2) AS cpu_max
? avgIfMerge ?
?cpu_utilization.1 ?
What is this?
Why?
---------------
SELECT
**toStartOfHour(timestamp) AS timestampXXXXX,**
avg(cpu_utilization) AS cpu_avg,
max(cpu_utilization) AS cpu_max
FRO... | 2020-02-26T01:46:35 | 2020-02-26T01:50:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,227,976 | 9,327 | alexey-milovidov | Nothing changed according to performance tests. | 2020-02-24T09:15:24 | 2020-02-24T09:15:24 | {} | MEMBER |
ClickHouse | ClickHouse | 590,289,298 | 9,303 | filimonov | Can't reproduce on 20.2.1.2369
Can you check the contents of /etc/clickhouse-client/config.xml
? | 2020-02-24T12:05:38 | 2020-02-24T12:05:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,573,301 | 9,347 | alexey-milovidov | > This is needed for testing #8886
No it's unneeded, because `clickhouse-benchmark` is using persistent connections. | 2020-02-24T22:07:04 | 2020-02-24T22:07:04 | {} | MEMBER |
ClickHouse | ClickHouse | 590,583,006 | 9,345 | alexey-milovidov | `01076_parallel_alter_replicated_zookeeper`
- flacky test. | 2020-02-24T22:32:31 | 2020-02-24T22:32:31 | {} | MEMBER |
ClickHouse | ClickHouse | 590,611,947 | 8,573 | filimonov | There is also another ssl issue in 20.1, reported here #8886, PR with some progress & discussion here: #8956
| 2020-02-25T00:05:53 | 2020-02-25T00:05:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 590,742,086 | 9,352 | alexey-milovidov | Inability to write `index` without quotes is expected, because it's the part of index definition syntax. | 2020-02-25T08:21:04 | 2020-02-25T08:21:04 | {} | MEMBER |
ClickHouse | ClickHouse | 590,993,167 | 9,367 | KochetovNicolai | It is not clear for me what problem was solved. Could you please explain it a little bit or add a test? | 2020-02-25T18:16:45 | 2020-02-25T18:16:45 | {} | MEMBER |
ClickHouse | ClickHouse | 591,076,218 | 9,355 | amosbird | test failures are unrelated | 2020-02-25T21:23:47 | 2020-02-25T21:23:47 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 591,232,325 | 9,361 | jangorecki | @filimonov
> 1. you can use ORDER BY tuple()
what does it do?
@den-crane
> ORDER BY (id0) -- the worst idea as it can be -- NEVER EVER DO THAT.
why?
> Choose some of your columns to sort the table to achieve better compression by putting similar columns' values closer.
I don't want to sort the dat... | 2020-02-26T04:27:26 | 2020-02-26T04:27:26 | {} | NONE |
ClickHouse | ClickHouse | 590,110,629 | 9,320 | alexey-milovidov | @Enmk We have to recognize the parameter in `DATETIME(N)`. | 2020-02-23T20:11:36 | 2020-02-23T20:11:36 | {} | MEMBER |
ClickHouse | ClickHouse | 590,322,068 | 8,673 | alexey-milovidov | It looks ready for review. All tests have passed. No updates for about a month. | 2020-02-24T13:34:32 | 2020-02-24T13:34:32 | {} | MEMBER |
ClickHouse | ClickHouse | 590,565,581 | 9,347 | alexey-milovidov | This is needed for testing #8886 | 2020-02-24T21:48:12 | 2020-02-24T21:48:12 | {} | MEMBER |
ClickHouse | ClickHouse | 590,924,579 | 9,329 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-02-25T15:29:31 | 2020-02-25T15:29:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 586,447,489 | 6,143 | den-crane | it is started to work again. At least
19.17.4.11
```
SELECT arrayJoin([(1, 1)]).1
FROM A_M
PREWHERE ((1, 1).1) = 1
┌─tupleElement(arrayJoin(array(tuple(1, 1))), 1)─┐
│ 1 │
└────────────────────────────────────────────────┘
``` | 2020-02-14T19:50:48 | 2020-02-14T19:50:48 | {} | CONTRIBUTOR |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.