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 | 481,762,069 | 4,231 | alexey-milovidov | Why is it named `Query-Id` instead of `X-ClickHouse-Query-Id`? | 2019-04-10T16:24:54 | 2019-04-10T16:24:54 | {} | MEMBER |
ClickHouse | ClickHouse | 481,832,856 | 4,231 | alexey-milovidov | You can make a new PR.
PS. Why I put attention on this?
A user proposed to add `X-ClickHouse-Exception-Code` header. We also have `X-ClickHouse-Progress`. I started to dig into code for quick implementation... and found this inconsistency. | 2019-04-10T19:37:39 | 2019-04-10T19:37:39 | {} | MEMBER |
ClickHouse | ClickHouse | 481,946,032 | 4,976 | den-crane | This is about
```
n1 Nested(
n2 Nested ( x Int64 )
)
```
not about multidimensional arrays | 2019-04-11T02:58:27 | 2019-04-11T02:58:27 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,610,928 | 3,988 | proller | `cmake -DHAVE_SSE42=0 -DHAVE_SSE41=0 -DHAVE_POPCNT=0 ..` | 2019-04-12T15:10:36 | 2019-04-12T15:10:36 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,284,279 | 4,993 | 4ertus2 | There're some:
https://clickhouse.yandex/docs/en/getting_started/example_datasets/nyc_taxi/
https://github.com/gregrahn/tpcds-kit.git | 2019-04-15T14:50:29 | 2019-04-15T14:50:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,402,068 | 5,010 | simPod | Something is wrong
On the left is output of `SELECT * FROM kafka_table`.
On the right is output from simple java consumer with protobuf decoder.
I'm using this schema:
```proto
message KeyValueP... | 2019-04-15T20:16:43 | 2019-04-15T20:16:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,056,408 | 4,736 | matthew-formosa-gig | We ran into the same issue and managed to temporarily resolve it by reducing the kafka_max_block_size to 1. Could it be that the kafka wrapper is failing to successfully poll messages using a larger batch size but those failed messages are not being retried, leading to the data loss? | 2019-04-11T10:16:53 | 2019-04-11T10:16:53 | {} | NONE |
ClickHouse | ClickHouse | 482,064,592 | 4,929 | 4ertus2 | fixed in master | 2019-04-11T10:45:34 | 2019-04-11T10:45:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,650,626 | 3,658 | 4ertus2 | Need check after #5001 | 2019-04-12T17:07:13 | 2019-04-12T17:07:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 475,296,937 | 4,739 | healiseu | @KochetovNicolai thank you, that's a crystal clear explanation, I am closing this issue. Question and explanation here is also related to #3310 | 2019-03-21T16:13:02 | 2019-04-13T21:12:38 | {} | NONE |
ClickHouse | ClickHouse | 483,177,102 | 5,005 | EvgenyVinogradov | 2019.04.15 09:11:46.010647 [ 16 ] {} <Error> pmp.pmp (StorageReplicatedMergeTree): DB::StorageReplicatedMergeTree::queueTask()::<lambda(DB::StorageReplicatedMergeT
ree::LogEntryPtr&)>: Poco::Exception. Code: 1000, e.code() = 0, e.displayText() = Null pointer: _pInstance in file "../contrib/poco/Util/include/Poco/Util/... | 2019-04-15T09:25:19 | 2019-04-15T09:25:19 | {} | NONE |
ClickHouse | ClickHouse | 483,603,596 | 5,002 | ipoese | This version works for - thanks. We've installed it and are now waiting for the next segFault. | 2019-04-16T10:27:51 | 2019-04-16T10:27:51 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 483,772,242 | 3,822 | maskshell | maybe, u can set this config setting to improve:
```xml
<yandex>
<merge_tree>
<!-- Max delay of inserting data into MergeTree table in seconds,
if there are a lot of unmerged parts.
default: 1 -->
<max_delay_to_insert>60</max_delay_to_insert>
</merge_tree>
</... | 2019-04-16T17:37:24 | 2019-04-16T17:37:24 | {} | NONE |
ClickHouse | ClickHouse | 483,830,991 | 5,020 | blinkov | It looks more detailed in #5015 | 2019-04-16T20:29:11 | 2019-04-16T20:29:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,551,605 | 4,992 | abyss7 | Created this backporting PR manually to test scripts. It's still legitim to be merged. | 2019-04-12T12:12:49 | 2019-04-12T12:12:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,150,626 | 4,977 | wasaeshoaib | Thanks @den-crane | 2019-04-15T08:07:33 | 2019-04-15T08:07:33 | {} | NONE |
ClickHouse | ClickHouse | 483,176,175 | 5,005 | EvgenyVinogradov | After upgrade error encountered in log-file. Ports listening not yet started.
Error :
| 2019-04-15T09:22:32 | 2019-04-15T09:22:32 | {} | NONE |
ClickHouse | ClickHouse | 483,208,537 | 4,777 | abyss7 | What is this PR about? Is it fix, feature or improvement? | 2019-04-15T11:09:08 | 2019-04-15T11:09:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,274,360 | 4,993 | 4ertus2 | > How do the other sorts included in boost perform on your dataset? There is quite probably a pattern that appears in the order that the data gets put into the SortedLookupVector, the question is just to find the right sort to exploit that pattern for extra performance :)
I haven't test the others yet. I'm on duty t... | 2019-04-15T14:27:24 | 2019-04-15T14:27:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,829,363 | 5,010 | simPod | @vitlibar you're absolutely right, thanks! | 2019-04-16T20:24:15 | 2019-04-16T20:24:15 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,758,593 | 4,964 | lmikhailov | Stack trace in #4843 looks different from this one. | 2019-04-10T16:15:44 | 2019-04-10T16:15:44 | {} | NONE |
ClickHouse | ClickHouse | 481,768,037 | 4,231 | fandyushin | > Why is it named `Query-Id` instead of `X-ClickHouse-Query-Id`?
I asked proper name on meetup (https://events.yandex.ru/events/ClickHouse/2-feb-2019/) And this name was chosen. I can fix it, should I use this pr or make new? | 2019-04-10T16:40:21 | 2019-04-10T16:40:21 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,846,086 | 4,972 | fandyushin | referred to #4231 | 2019-04-10T20:18:25 | 2019-04-10T20:18:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,017,307 | 4,954 | samz406 | ok，I have another question. mysql can be use
mysql(192.168.103.44:3306, cboard,sales_fact_sample_flat, root,admin),
this is convenience, it can be auto create table and insert data. So i want to extract data from oracle to clckhouse,can you give me some advise? soon I want extract source data from db2, mogodb,Po... | 2019-04-11T08:20:57 | 2019-04-11T08:20:57 | {} | NONE |
ClickHouse | ClickHouse | 482,415,553 | 4,970 | den-crane | >Timeout: connect timed out: 10.8.6.15:9009
Replicas store in ZK information about themselves using hostname (hostname -f / interserver_http_host).
/clickhouse/tables/01-08/visits/replicas/host == **example01-08-1.yandex.ru**
I would check disable_internal_dns_cache parameter and that Kubernetes/nslookup resolve... | 2019-04-12T02:44:43 | 2019-04-12T02:44:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,666,803 | 4,993 | 4ertus2 | > @4ertus2 Do you have any performance benchmarks already comparing std::sort versus your custom radix sort on data that is the result of the `insertBlock` calls on real-world/representative tables?
Something like this (on my laptop). It's with clang7. https://pastebin.com/b1CMYS9B
But the results mismatch and it's... | 2019-04-12T17:57:50 | 2019-04-12T18:03:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,803,178 | 3,174 | simPod | Note to my future self and and also others struggling. In my case there were mutations that looked quite heavy / stale. Check also for them then.
@filimonov is there a way to for example list the parts that are waited for to be merged? | 2019-04-13T12:02:53 | 2019-04-13T12:02:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,219,698 | 5,002 | ipoese | Thanks for the reply - we'll install the debug version and then wait for the next crash. Once we have it, i will upload the stack trace. | 2019-04-15T11:49:30 | 2019-04-15T11:49:30 | {} | NONE |
ClickHouse | ClickHouse | 483,927,827 | 5,013 | llchan | I was about to file a very similar issue for lz4 [v1.9.0](https://github.com/lz4/lz4/releases/tag/v1.9.0), which coincidentally came out a few hours after your request :)
In any case, +1 to bumping the vendored lz4 for the new performance improvements. | 2019-04-17T03:57:43 | 2019-04-17T03:57:43 | {} | NONE |
ClickHouse | ClickHouse | 483,987,883 | 5,021 | neverlee | Yes, `requirements-py3.txt` (futures:3.1.1) can work for both python2 and python3. | 2019-04-17T08:24:36 | 2019-04-17T08:27:10 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,227,942 | 5,002 | ipoese | During update we unfortunately ran into the problem that we're running clickhouse on an Ubuntu 16.04 machine. This comes with libc 2.23, which is too old for the requested packages (they require 2.25 at the least). As this system is running other thing besides clickhouse, we either need a package that can work wih libc... | 2019-04-15T12:17:21 | 2019-04-15T12:17:21 | {} | NONE |
ClickHouse | ClickHouse | 483,289,137 | 4,846 | abyss7 | @alexey-milovidov I don't see any differences in the PVS report, that you mentioned earlier in Telegram Chat. Can you point out what new errors/warnings were introduced in this PR? | 2019-04-15T15:01:53 | 2019-04-15T15:01:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,443,944 | 5,012 | nvartolomei | ps. Documentation for `in_order` is incorrect. It says _the number of errors does not matter_. Looking at the code I can't find a special case for `in_order`. It seems to use the same code path that first compares pools based on errors, then priority. | 2019-04-15T22:35:57 | 2019-04-15T22:35:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 484,005,830 | 5,022 | bzon | For insert, use a single transaction then run many insert, then commit. | 2019-04-17T09:17:58 | 2019-04-17T09:17:58 | {} | NONE |
ClickHouse | ClickHouse | 484,023,817 | 5,022 | KrunalT | @4ertus2
What about this ??
In my current application I am facing an issue that insertion and SELECT at same time and in that I found merging working in the backend, So I am facing slowness from retrieving data from clickhouse and utilization goes up to 90-95 %. So for this, any solution or any option is there to ... | 2019-04-17T10:13:32 | 2019-04-17T10:13:32 | {} | NONE |
ClickHouse | ClickHouse | 481,738,751 | 4,388 | alexey-milovidov | Congratulations! | 2019-04-10T15:27:26 | 2019-04-10T15:27:26 | {} | MEMBER |
ClickHouse | ClickHouse | 482,152,141 | 4,970 | andrei-dascalu | @wasaeshoaib THanks for the tip. I looked in clusters table, but the data store there is correct and used for communicating on port 9000, whereas my issue happens when communication is sought on port 9009 ... I think that is cached in ZK ? | 2019-04-11T15:03:22 | 2019-04-11T15:03:22 | {} | NONE |
ClickHouse | ClickHouse | 482,651,914 | 4,924 | 4ertus2 | FYI, #4993
By the way it's not ready. It leads to unexpected results on my data. Probably there's some error in radixSort() implementation. | 2019-04-12T17:11:43 | 2019-04-12T17:11:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,268,094 | 5,007 | den-crane | duplicate https://github.com/yandex/ClickHouse/issues/4658 | 2019-04-15T14:12:00 | 2019-04-15T14:12:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,280,298 | 4,993 | Gladdy | Cool. I'll have to try to dig up a representative (non-proprietary) dataset somewhere. | 2019-04-15T14:41:14 | 2019-04-15T14:41:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,635,045 | 4,736 | nvartolomei | The test is awesome! Adding that all builds on 19.1 branch (incl 19.1.16.79) is working correctly. | 2019-04-16T12:17:08 | 2019-04-16T12:17:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,857,022 | 3,912 | pkesso | Version 19 - problem is still here
```Downloading packages:
(1/4): clickhouse-client-1.1.54385-2.x86_64.rpm | 6.4 kB 00:00:00
(2/4): clickhouse... | 2019-04-16T21:49:28 | 2019-04-16T21:49:28 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 484,031,012 | 863 | nvartolomei | https://github.com/yandex/ClickHouse/pull/4846 | 2019-04-17T10:37:41 | 2019-04-17T10:37:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,753,439 | 4,941 | blinkov | тест упал | 2019-04-10T16:02:34 | 2019-04-10T16:02:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,064,967 | 4,879 | 4ertus2 | fixed in master | 2019-04-11T10:46:51 | 2019-04-11T10:46:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,221,391 | 4,926 | simPod | Thank you for response, that makes it clear! | 2019-04-11T17:41:49 | 2019-04-11T17:41:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,715,024 | 4,959 | free6k | ```
2019.04.10 17:25:35.532828 [ 29 ] {15d0a921-c04d-4e10-be4a-765d4a263233} <Debug> MemoryTracker: Peak memory usage (total): 530.70 KiB.
2019.04.10 17:25:35.532910 [ 29 ] {15d0a921-c04d-4e10-be4a-765d4a263233} <Debug> MemoryTracker: Peak memory usage (for query): 3.52 MiB.
2019.04.10 17:25:35.532966 [ 29 ] {15d0a9... | 2019-04-10T14:29:58 | 2019-04-10T14:30:33 | {} | NONE |
ClickHouse | ClickHouse | 482,081,738 | 4,890 | matthew-formosa-gig | @alexm93 try experimenting with kafka_max_block_size = 1. We ran into the same issue and temporarily resolved it by doing so. Also commented on https://github.com/yandex/ClickHouse/issues/4736 | 2019-04-11T11:47:10 | 2019-04-11T11:47:10 | {} | NONE |
ClickHouse | ClickHouse | 482,511,309 | 3,740 | orloffv | @blinkov @abyss7 а какое правильное поведение то? | 2019-04-12T09:44:45 | 2019-04-12T09:44:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,177,821 | 5,002 | alesapin | Seems like we have heap corruption :( Is it possible to install version with address sanitizer from this table https://clickhouse-builds.s3.yandex.net/4635/ca3e26728ddb1d840ba97e6c8c217f61a109756a/report.html (compiler=clang-7, sanitizer=address) to problem server?
. | 2019-04-11T17:28:02 | 2019-04-11T17:28:02 | {} | MEMBER |
ClickHouse | ClickHouse | 483,179,808 | 5,005 | EvgenyVinogradov | Additional log (error
[clickhouse-server.err.log.gz](https://github.com/yandex/ClickHouse/files/3079437/clickhouse-server.err.log.gz)
) attaching | 2019-04-15T09:33:16 | 2019-04-15T09:33:16 | {} | NONE |
ClickHouse | ClickHouse | 483,543,787 | 4,955 | gusevartemasd | Now i'm using Materialized view for my purposes and it looks preaty good | 2019-04-16T07:26:27 | 2019-04-16T07:26:27 | {} | NONE |
ClickHouse | ClickHouse | 483,790,737 | 4,439 | kvinty | One test failed because it depends on sorting stability, which it should not. | 2019-04-16T18:28:20 | 2019-04-16T18:28:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,831,515 | 5,020 | simPod | Yup, didn't notice it's already open, missing link. Thanks! | 2019-04-16T20:30:50 | 2019-04-16T20:30:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,934,751 | 4,756 | hohaftf | I checked fix for #4879 on v 19.5.2.6
Both queries from this issue work in global and allow modes, and they did not before.
Both queries fail in local mode. | 2019-04-17T04:43:02 | 2019-04-17T04:43:02 | {} | NONE |
ClickHouse | ClickHouse | 482,003,685 | 4,970 | andrei-dascalu | @filimonov thanks for looking into my question. Unfortunately the `SYSTEM DROP DNS CACHE` query didn't seem to do much. Are you referring to this query or is `SYSTEM FLUSH DNS` a different query? | 2019-04-11T07:39:28 | 2019-04-11T07:39:28 | {} | NONE |
ClickHouse | ClickHouse | 482,505,287 | 4,970 | andrei-dascalu | @den-crane see initial post, disable_internal_dns_cache is disabled.
`<disable_internal_dns_cache>1</disable_internal_dns_cache>`
same line appears commended out in the default config.xml and I have it as part of a file config.d | 2019-04-12T09:26:06 | 2019-04-12T09:26:06 | {} | NONE |
ClickHouse | ClickHouse | 482,546,646 | 4,989 | alexey-milovidov | TODO: Add performance tests for `substring` (we don't have any). | 2019-04-12T11:55:10 | 2019-04-12T11:55:10 | {} | MEMBER |
ClickHouse | ClickHouse | 483,984,265 | 5,022 | blinkov | @KrunalT you need to put all N rows into single INSERT INTO statement, not N separate INSERT INTO statements with one row each. Aren't you doing the latter? | 2019-04-17T08:13:28 | 2019-04-17T08:13:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,971,349 | 4,970 | wasaeshoaib | Hi @andrei-dascalu,
The IPs are stored in the **system.clusters** table. You cannot update this table. I faced the same issue and even restarting the clickhouse server didn't solve the issue. I had to restart the instance to get this data refreshed.
Regards | 2019-04-11T05:32:34 | 2019-04-11T05:32:34 | {} | NONE |
ClickHouse | ClickHouse | 482,651,997 | 4,999 | ogorbacheva | @ninePebbles, thanks! | 2019-04-12T17:12:01 | 2019-04-12T17:12:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,271,405 | 4,993 | Gladdy | How do the other sorts included in boost perform on your dataset? There is quite probably a pattern that appears in the order that the data gets put into the SortedLookupVector, the question is just to find the right sort to exploit that pattern for extra performance :) | 2019-04-15T14:20:17 | 2019-04-15T14:20:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,612,984 | 4,736 | k0st1an | @alexm93 you may be right, but I couldn't beat it:
```
In Clickhouse v19.5.2.6:
3916937
In Clickhouse v19.4.3.11:
3898375
In Clickhouse v19.4.2.7:
3878460
In Clickhouse v19.4.1.3:
3880372
In Clickhouse v19.4.0.49:
3886615
In Clickhouse v19.4.0:
3907914
In Clickhouse v19.3.9:
3910847
In C... | 2019-04-16T10:59:39 | 2019-04-16T10:59:39 | {} | NONE |
ClickHouse | ClickHouse | 482,537,894 | 4,736 | kenota | We have also encountered this issue. Some messages are silently lost without any logs. We have tried setting `kafka_max_block_size` to 1, but the speed of loading data from Kafka drops below this solution being viable.
I think at this state, this issue prevents using of Kafka engine in production environment. | 2019-04-12T11:20:31 | 2019-04-12T11:20:31 | {
"+1": 2
} | NONE |
ClickHouse | ClickHouse | 482,659,169 | 4,993 | Gladdy | @4ertus2 Do you have any performance benchmarks already comparing std::sort versus your custom radix sort on data that is the result of the `insertBlock` calls on real-world/representative tables?
If you were going to replace the sorting algorithm, my first hunch would be something like Timsort.
Reason: it alrea... | 2019-04-12T17:34:12 | 2019-04-12T17:34:12 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,327,625 | 4,744 | simPod | I was not able to segfault anymore, looks like it's fixed. Thanks! | 2019-04-15T16:39:03 | 2019-04-15T16:39:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,370,654 | 5,010 | simPod | Just created MVP with https://github.com/yandex/ClickHouse/blob/master/dbms/tests/integration/test_format_schema_on_server/clickhouse_path/format_schemas/simple.proto and I can select those messages. Will try to investigate, probably something specific about my message. | 2019-04-15T18:43:22 | 2019-04-15T18:43:22 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,595,567 | 4,955 | filimonov | Cross link with SO question https://stackoverflow.com/a/55657641/1555175 | 2019-04-16T10:03:16 | 2019-04-16T10:04:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,797,363 | 4,439 | 4ertus2 | > One test failed because it depends on sorting stability, which it should not.
You may change "ORDER BY count_a" to "ORDER BY s2.other" to make test stable. | 2019-04-16T18:46:44 | 2019-04-16T18:46:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 484,022,465 | 863 | moxiaofan9 | What is the current state of this issue? | 2019-04-17T10:08:46 | 2019-04-17T10:08:46 | {} | NONE |
ClickHouse | ClickHouse | 482,275,255 | 4,756 | 4ertus2 | Partial fix #4986 | 2019-04-11T19:35:39 | 2019-04-11T19:35:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,577,413 | 4,954 | 4ertus2 | There're external dictionaries https://clickhouse.yandex/docs/en/operations/table_engines/dictionary/
There're also readonly ODBC/JDBC engines. But they are still not in docs. You may configure odbc.ini and then create table with ENGINE = odbc('dsn=test', table). It uses unixodbc under the hood. | 2019-04-12T13:37:20 | 2019-04-12T13:37:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,669,273 | 4,993 | Gladdy | That's a bigger improvement than I was expecting - anyway, given that Clickhouse already includes boost, it might be worth it to run your benchmark with spreadsort (a radix sort), pdqsort and spinsort from https://www.boost.org/doc/libs/1_70_0/libs/sort/doc/html/index.html#sort.introduction.single_thread_algorithms as ... | 2019-04-12T18:05:35 | 2019-04-12T18:05:35 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,919,325 | 4,974 | den-crane | Maybe it will be easier to forbid subqueries without alias?
mysql> select * from (select 1 a);
ERROR 1248 (42000): Every derived table must have its own alias
psql=> select * from (select 1 a);
ERROR: subquery in FROM must have an alias
vertica => select * from (select 1 a);
ERROR 4856: Syntax error at or... | 2019-04-11T00:22:50 | 2019-04-11T00:22:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,974,946 | 4,970 | filimonov | Does `system flush dns` query helps? | 2019-04-11T05:50:49 | 2019-04-11T05:50:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,976,434 | 4,970 | filimonov | Probably related #3882 | 2019-04-11T05:58:02 | 2019-04-11T05:58:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,068,526 | 4,756 | 4ertus2 | Probably related #4879 | 2019-04-11T10:59:55 | 2019-04-11T10:59:55 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,512,030 | 4,990 | yjhmelody | I delete some logs and then reinstall clickhouse, finally run it correctly. | 2019-04-12T09:46:54 | 2019-04-12T09:46:54 | {} | NONE |
ClickHouse | ClickHouse | 483,040,210 | 4,736 | k0st1an | https://gist.github.com/k0st1an/7767a7584751a3cca8e9511b86e54465
Since version `19.3.3` a problem has appeared:
```
In Clickhouse v19.4.3.11:
953770
In Clickhouse v19.4.2.7:
996993
In Clickhouse v19.4.1.3:
955197
In Clickhouse v19.4.0.49:
981035
In Clickhouse v19.4.0:
974905
In Clickhouse v19... | 2019-04-14T18:55:16 | 2019-04-14T19:16:29 | {
"+1": 5
} | NONE |
ClickHouse | ClickHouse | 483,053,699 | 5,004 | blinkov | cc @zhang2014 @sundy-li | 2019-04-14T20:11:05 | 2019-04-14T20:11:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,236,147 | 5,002 | alesapin | I'll try to build same version for ubuntu 16.04. | 2019-04-15T12:44:16 | 2019-04-15T12:44:16 | {} | MEMBER |
ClickHouse | ClickHouse | 483,268,282 | 4,993 | 4ertus2 | My test is wrong cause of multiple lines with same value in right ASOF column. I've re-checked it with correct queries and radix returns the same result as std::sort. | 2019-04-15T14:12:29 | 2019-04-15T14:12:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 483,986,240 | 5,021 | blinkov | @neverlee it works ok on python2 even with requirements-py3.txt, so I'll just remove old one and rename new one. | 2019-04-17T08:19:34 | 2019-04-17T08:19:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 481,785,445 | 4,964 | alesapin | Cannot reproduce on official ubuntu 19.4.2.7 build:
```
:) select arrayIntersect(test_arr, [101, 102, 103, 104, 105, 106]) from test_case;
SELECT arrayIntersect(test_arr, [101, 102, 103, 104, 105, 106])
FROM test_case
┌─arrayIntersect(test_arr, [101, 102, 103, 104, 105, 106])─┐
│ [] ... | 2019-04-10T17:27:56 | 2019-04-10T17:27:56 | {} | MEMBER |
ClickHouse | ClickHouse | 481,789,068 | 4,964 | alesapin | Also cannot reproduce on Altinity 19.4.3.11, so just update to latest stable:
```
# cat /etc/centos-release
CentOS Linux release 7.6.1810 (Core)
```
```
# clickhouse-client
ClickHouse client version 19.4.3.11.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 19.4.3 revisio... | 2019-04-10T17:37:23 | 2019-04-10T17:38:52 | {} | MEMBER |
ClickHouse | ClickHouse | 481,792,601 | 4,879 | 4ertus2 | #4969 | 2019-04-10T17:46:40 | 2019-04-10T17:46:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,102,028 | 4,916 | wasaeshoaib | take a look at https://clickhouse-docs.readthedocs.io/en/latest/functions/json_functions.html | 2019-04-11T12:54:20 | 2019-04-11T12:54:20 | {} | NONE |
ClickHouse | ClickHouse | 483,227,333 | 5,005 | EvgenyVinogradov | After downgrading to v.19.1.16.79 clickhouse started w/o errors but I cant connect via clickhouse-client, it's hangs on :
ClickHouse client version 19.1.16.79.
Connecting to localhost:9000.
JDBC(HTTP) connections are refusing by timing out | 2019-04-15T12:15:29 | 2019-04-15T12:24:56 | {} | NONE |
ClickHouse | ClickHouse | 483,240,337 | 5,005 | EvgenyVinogradov | After downgrading to 18.16.0 revision 54412 server started properly and accept connections via local clickhouse-client and JDBC(HTTP) | 2019-04-15T12:57:07 | 2019-04-15T12:57:07 | {} | NONE |
ClickHouse | ClickHouse | 483,657,741 | 5,010 | vitlibar | > And producing like this:
>
> ```java
> @Override
> public byte[] serialize(String topic, T t) {
> KeyValuePair.Builder message = KeyValuePair.newBuilder();
> message.setKey(10000);
>
> return message.build().toByteArray();
> ```
ClickHouse expects protobuf messages to be ... | 2019-04-16T13:24:19 | 2019-04-16T13:28:21 | {} | MEMBER |
ClickHouse | ClickHouse | 483,764,402 | 4,724 | alexey-milovidov | ? | 2019-04-16T17:15:05 | 2019-04-16T17:15:05 | {} | MEMBER |
ClickHouse | ClickHouse | 482,068,091 | 4,631 | matthew-formosa-gig | We encountered the same issue and we experienced some data loss around the time of disconnection. | 2019-04-11T10:58:16 | 2019-04-11T10:58:16 | {} | NONE |
ClickHouse | ClickHouse | 482,586,825 | 3,537 | proller | Maybe fixed here:
https://github.com/yandex/ClickHouse/commit/236f2a4354587ad122fdfce67dc5c53bb8bc78f7
https://github.com/yandex/ClickHouse/commit/edaec2353c18c0eb2e246a7bdb4524430f942036
And if it will happen again - we need have table structure (create table ....) for reproduce bug | 2019-04-12T14:04:29 | 2019-04-12T14:04:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,650,562 | 4,162 | 4ertus2 | #5001 | 2019-04-12T17:06:58 | 2019-04-12T17:06:58 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 482,803,620 | 4,994 | alexey-milovidov | No description provided. | 2019-04-13T12:07:56 | 2019-04-13T12:07:56 | {} | MEMBER |
ClickHouse | ClickHouse | 483,186,089 | 4,736 | alexm93 | > https://gist.github.com/k0st1an/7767a7584751a3cca8e9511b86e54465
>
> Since version `19.3.3` a problem has appeared:
>
> ```
> In Clickhouse v19.4.3.11:
> 953770
>
> In Clickhouse v19.4.2.7:
> 996993
>
> In Clickhouse v19.4.1.3:
> 955197
>
> In Clickhouse v19.4.0.49:
> 981035
>
> In Clickhouse v... | 2019-04-15T09:52:31 | 2019-04-15T09:57:49 | {
"+1": 2
} | NONE |
ClickHouse | ClickHouse | 483,372,343 | 5,002 | alesapin | It was not easy. I have built 19.4.4 version for xenial, but it doesn't have any significant changes in comparison with 19.4.3. Also, this version build without support of Kafka and Cap'n'proto. If it's not OK, let me know and I'll try to build more suitable packges.
You can download debug packages here:
* **clickhou... | 2019-04-15T18:48:24 | 2019-04-15T18:48:44 | {} | MEMBER |
ClickHouse | ClickHouse | 483,708,218 | 4,695 | vitlibar | Fixed in master. | 2019-04-16T15:21:38 | 2019-04-16T15:21:38 | {} | MEMBER |
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