clickhouse-java

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## Summary There is a [feature](https://clickhouse.com/docs/en/interfaces/http#setting-role-with-query-parameters) and it should be supported by the new client. It allows to set roles for every operation where session may not be maintained (http...

chernser

[client-v2] Added setting log_comment

1

## Summary There is an option to set a comment that will be seen in `system.query_log` record associated with a query. It is useful for troubleshooting. In case of HTTP...

chernser

[jdbc] JDBC has dependency on SNAPSHOT version of the clickhouse-http-client

1

when I use com.clickhouse:clickhouse-jdbc:0.7.0, I find something bad this is shown in the figure below  I don't understand why 0.7.0-SNAPSHOT is happening, not 0.7.0

livk-cloud

### Describe the bug It should be possible to get number values in different convertible types. Today it is required for application to know datatype of a column. For example,...

chernser

Spark JDBC: DB::Exception: Cannot convert string '2024-09-10 22:58:20.0' to type DateTime

1

### Describe the bug I'm trying to query data from Clickhouse using Spark jdbc connector. I'm using some filters on timestamps. As a result I'm getting exception. `Cannot convert string...

maver1ck

jdbc url set socket_timeout parameters is useless

10

I want to use DBeaver to connect to ClickHouse using the JDBC HTTP interface. However, the session timeout is 30 seconds. I tried adding socket_timeout=300000 to the URL settings, but...

Jiangnewtown

### Description Client V1 supports remembering roles for sending with requests: https://clickhouse.com/docs/en/interfaces/http#setting-role-with-query-parameters https://github.com/ClickHouse/clickhouse-java/issues/1782 will implement sending custom query parameters that should solve "problem" for the feature. **Expected Behavior** - User...

chernser

V2 client query fails on initial attempt

3

### Describe the bug It appears that the first queries (SELECTs) to the ClickHouse server fail on the V2 client with an error: ```com.clickhouse.client.api.ClientException: Failed to get query response```. Wrapping...

maxsumrall

It seems to me that a connection pool is being created and shut down for every transaction in NiFi.

14

## Description Hello Team. I am using NiFi and clickhouse-jdbc to collect data and load it into ClickHouse. However, over time, NiFi's JVM Old Generation memory usage keeps increasing. After...

com-exem-route7

### Describe the bug Next scenarios should be covered: - Connection timeout: expecting what value was used for the timeout - Socket timeout exception should be handled properly ?

chernser