clickhouse-java

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Unsupported data type: BFloat16

2

Hi I created a table with a column of type BFloat16 ( https://clickhouse.com/docs/ru/sql-reference/data-types/float ). And now I am trying to read this table with jdbc driver (version 0.8.5, https://mvnrepository.com/artifact/com.clickhouse/clickhouse-jdbc/0.8.5 )...

tolberg91

[jdbc-v2] Support multi-dot notation for database names

7

## Description Fixes #2650 This PR adds support for multi-dot notation in database names without requiring quotes, enabling table references like `a.b.c` where `a.b` is the database name and `c`...

devdavidkarlsson

✨ [client-v2] Statement parameters sent via multipart data request.

5

This pull request updates the way statement parameters are sent in HTTP requests by switching from query parameters to multipart form data, and adds a new integration test to verify...

chernser

Add custom URL path configuration for load balancer routing

8

## Summary Enables routing to different ClickHouse instances behind a load balancer by configuring custom URL paths (e.g., `/sales/db`, `/app/db`). Database selection remains via `X-ClickHouse-Database` header. ## Changes - **`ClientConfigProperties`**:...

Copilot

How to read WITH TOTALS value from ClickHouseResultSet

1

I'm using ClickHouse JDBC driver (version 0.4.6) to execute queries with `WITH TOTALS` clause. How can I read this value my java code: ``` public static void readWithTotal1() { final...

chenxin57085122

✨[client-v2, jdbc-v2] Allow setting http path in URL

5

## Summary This pull request improves support for HTTP endpoints with custom paths, which is important for scenarios involving reverse proxies or virtual ClickHouse instances. It ensures that endpoint URLs...

chernser

[client-v2, jdbc-v2] Handling of unknown parameters

5

## Summary - Throw on unknown parameter. Can be bypassed by adding `no_throw_on_unknown_config` to properties. Parsing happens on `.build()` - Fixed passing parameters to server when prefixed with `custom_` -...

chernser

### Description There is a lot issues linked to configuration validity. Mainly because configuration parameter is misspelled or has no special format. Client should complain about invalid configuration and do...

chernser

Cancel statement doesn’t work due to “Session is locked by a concurrent client” (Regression for v2 client, v0.9.4)

1

## Description [This bug](https://github.com/ClickHouse/clickhouse-java/issues/1033) appears to have returned in the v2 version of the client. Short version: When you use a Session ID, `Statement.cancel()` never works. I expect you need...

Keith-McCready

### Usecase There are several DB instances behind a load balancer. There is a need to handle them differently and user may configure routing by path. For example: - https://myhost.com:8123/sales/db...

chernser