UnamedRus

Hi, Can you explain this change in a bit more detail? > ALTER TABLE modify_column MODIFY COLUMN `column_n` Enum8('kye_a' = 1, 'key_b' = 2, 'key_c' = 3) > Unknown element...

AFAIK, column names which ClickHouse generate is also not consistent with ANSI SQL or other DBMS, may be it's good time to fix that. > This seems to kill other...

> . For example, I can't explain why the number of columns selected in the right table should matter for the runtime of a join, but not the number of...

It seems, that OpenSSL v3.+ is problematic from performance standpoint even compared to OpenSSL v1.+, and was even called "experimental" https://github.com/haproxy/haproxy/issues/2454#issuecomment-1956082778 For ClickHouse problem is even worse, as it initially...

https://www.haproxy.com/blog/state-of-ssl-stacks

``` 2024.11.14 15:44:47.624300 [ 34 ] {} KeeperTCPHandler: Receive four letter command rqld 2024.11.14 15:44:47.624451 [ 34 ] {} RaftInstance: sent leadership request to leader 1 2024.11.14 15:44:47.624903 [ 55...

> [pull_request / Spell Check with Typos (pull_request)](https://github.com/azat/chdig/actions/runs/17362813504/job/49285161110?pr=136)Failing after 8s typo in proto definition. But, it's kinda should work now. Trace size still an issue, as traces over 500MB doesn't...

> They typically use a fixed and outdated version. It's not even outdated. 23.3 was still LTS, but tzdata wasn't backported to it: https://github.com/ClickHouse/ClickHouse/pull/60826

> can be even different across servers with the same ClickHouse version. In the case of builtin tzdata, it is fully controlled by the ClickHouse version Problem here, that ClickHouse...

IMO, ClickHouse should populate metadata fields of parquet with data about what was the source for file. 1. database/table 2. part_name 3. query_id from system.part_log (it not exactly ordinal query_id,...