clickhouse-java

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Potential performance issue with SQL parsing in jdbc-v2

1

Reporting against v.0.9.1. We are using ClickHouse JDBC via Hibernate - our code is calling createNativeQuery a lot - which means creating (and throwing away) a great number of PreparedStatements....

jploski

new version JDBC TimeZone Error

5

## Description I am using JDBC driver 0.8.4 Spark3.5.1. Write ClickHouse using Spark JDBC, Date type data, automatically converted time zones My region is Singapore, spark job is configured as...

Faceisme

## Description There is a concept of "warning" in JDBC. Most major entities like Connection, Statement, ResultSet return them. This issue about implementing them across JDBC.

chernser

[client-v2]Add NativeFormatWriter support to ClickHous Client v2

12

### Use case Currently, the ClickHouse Java Client v2 only supports `RowBinaryFormatWriter` for batch insertions, but does not provide `NativeFormatWriter` support. The `Native` format typically offers better performance compared to...

chuyuJY

Inconsistency between documentation and ChangeLogs regarding minimum JDK runtime requirements

1

### Describe your feedback - Inconsistency between documentation and ChangeLogs regarding minimum JDK runtime requirements. - For https://github.com/ClickHouse/clickhouse-java/releases/tag/v0.6.4 , it is mentioned that, ``` Lowest supported Java version will be...

linghengqian