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Java client and JDBC driver for ClickHouse

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There are many settings that can be passed to client. They should be well documented, in code they should be validated correctly, there should be a good java doc for...

client-api-v2

In the [#1406](https://github.com/ClickHouse/clickhouse-java/issues/1406) issue, I asked how to handle retries. After some discussion, I learnt that data blocks are deduplicated for the ReplicatedMergeTree tables. Since we have Distributed tables in...

bug

**Authentication** Add support authentication - [ ] [Username/Password](https://clickhouse.com/docs/en/interfaces/http#default-database) - `‘X-ClickHouse-User’ and ‘X-ClickHouse-Key’ headers` - [ ] Token support - authorization token

client-api-v2

### Describe the bug ### Steps to reproduce 1. The easiest way to reproduce is to add ```java .set("async_insert", "1") .set("wait_for_async_insert", "1") ``` to https://github.com/ClickHouse/clickhouse-java/blob/9e1772edf3a05fbb8e80659ee8664c68ed42e978/clickhouse-client/src/test/java/com/clickhouse/client/ClientIntegrationTest.java#L2523 ### Expected behaviour Tested only...

bug
usability

### Describe the bug Hi. I'm facing issue using PySpark+JDBC driver, when columns have spaces, like "Test Column". E.g. when trying to filter table using pure jdbc driver **or** spark-clickhouse-connector+same...

bug
jdbc-v2
area:data-type

```[tasklist] ### Tasks - [ ] https://github.com/ClickHouse/clickhouse-java/issues/1603 - [ ] https://github.com/ClickHouse/clickhouse-java/issues/1604 - [ ] https://github.com/ClickHouse/clickhouse-java/issues/1605 - [ ] https://github.com/ClickHouse/clickhouse-java/issues/1606 ```

client-api-v2