clickhouse-java

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### Describe the bug There are some confusing dependencies. For example, `clickhouse-jdbc` (https://mvnrepository.com/artifact/com.clickhouse/clickhouse-jdbc) has: - `com.clickhouse » org.apache.commons.compress` 1.9.2 - `com.clickhouse » io.grpc` 1.9.2 - `com.clickhouse » org.roaringbitmap` 1.9.2 What...

chernser

When spawning more than 16 requests with Java 11 HTTP client: com.clickhouse.client.ClickHouseException: Code: 159. Execution timed out

13

### Describe the bug When spawning more than 16 requests in parallel to a ClickHouse server using the Java HTTP client, all requests will hang and eventually time out (unless...

devurandom

clickhouse-client parses Array(DateTime) as LocalDateTime[] without time zone

2

### Problem: ClickHouse doc says [DateTime is an instant in time](https://clickhouse.com/docs/en/sql-reference/data-types/datetime). But in actual client's response `Array(DateTime)` represents as `LocalDateTime[]` (or more accurete `ClickHouseArrayValue`) so without additional information it is...

misha-nik

New clickhouse driver is using a different impl of PreparedStatement

3

Hi. We noticed a change in behavior when upgraded clickhouse driver and started using `com.clickhouse.jdbc.ClickHouseDriver` instead of the legacy driver from `ru.yandex.*`. More specifically, the change is in the way...

malikas05

problem with dates + timezones

5

This issue arises in v.0.3.2 Suppose a Clickhouse server is located in UTC+0 timezone, while the client is on UTC-x timezone. Then the following query ``` SELECT toDate('2022-10-27') ``` will...

mtselishchev

### Description There is a documentation page about how to configure NiFi to work with the JDBC client: https://clickhouse.com/docs/en/integrations/nifi It is outdated: - very old version is mentioned - when...

chernser

### Description Client v2 should support log comments passed thru query parameters

chernser

ClassCastException in Spark when retrieving arrays from ClickHouse via clickhouse-java driver

5

### Describe the bug In the current implementation of Spark when working with arrays of data returned from ClickHouse through the clickhouse-java driver, there is a type conversion error. When...

maxim-lixakov

Bumps [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j) from 8.1.0 to 8.2.0. Changelog Sourced from com.mysql:mysql-connector-j's changelog. Changelog https://dev.mysql.com/doc/relnotes/connector-j/en/ Version 9.0.0 WL#16391, Upgrade 3rd party libraries and tools. Fix for Bug#114800 (Bug#36576596), Wrong code by an...

dependabot[bot]

### Describe the bug Compression is essential feature for the client and it helps to improve performance significantly. So it should be supported out of the box: - add dependencies...

chernser