Sergey Chernov
Sergey Chernov
### Describe the bug Client v2 should support native protocol communication. Current issue is about a complete implementation of the protocol base. Compression will be the next step after that.
## Summary This change is to add more detailed tutorials for different usecase: - writing stream of data - writing POJOs and when it make sense - reading text formats...
## Summary This PR add configuration option to create mapping between host/ip and SNI. The last one will be set each time SSL socket is created to connect to it....
## Description There is an exception ``` [HY000] Failed to read value for column test Unsupported data type with tag 100 ``` This probably relates to the type mapping in...
## Description There are some issues that should be addressed in `StatementImpl`: - add more test for uncovered methods - test `close()` in concurrent case and check all child resources...
### Use case Knowing the OS may be important for troubleshooting because OS defines architecture that affects binary data SerDe. Field we need: - OS Name (like Linux, Windows) -...
## Description Root cause of the problem from: https://github.com/ClickHouse/clickhouse-java/issues/2333#issuecomment-2972784728 > I can understand the overflow issues with UInt64, but as it stands (in 0.8.6) all unsigned integer types are converted...
## Description The issue was reproduced while executing the query in DBeaver with a read-only user. ### Error Log or Exception StackTrace ``` 2025-06-10 11:55:23.220 - SQL Error [22000]: Code:...
## Description Exception doesn't contain message from a server: `Code: 164. DB::Exception: (transport error: 500)` Log ``` 2025-06-10 19:16:01.278 - com.clickhouse.client.internal.apache.hc.client5.http.impl.classic.MainClientExec: ex-0000000007 connection can be kept alive for 10 SECONDS...
## Description `com.clickhouse.jdbc.internal.MetadataResultSet` was implemented to work only with metadata and has some limitation and inconsistencies. We need to fix it. Here are some examples: - `getObject("DATA_TYPE")` causes exception (see...