clickhouse-java

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Error writing request body to server, server ClickHouseNode

2

We are trying to load data into ReplicatedMergeTree table in clickhouse via spark from Google Dataproc Cluster. However, we are getting intermittent Error while inserting data using jdbc driver: 0.46...

ekatabavkar

Incorrect row count returned for delete statement

2

### Describe the bug The jdbc client returns incorrect row count when running a delete query ### Steps to reproduce 1. Setup clickhouse db and fill in the username/password/host details...

sahoss

getResultSet not implemented

3

### Describe the bug I'm trying to send some data from a couple of tables in my Clickhouse database to big query by using Airbyte but I'm having this error:...

adrevant

I got parse exception trying to insert negative (before 1970-01-01) values into DateTime. I'm inserting using Greenplum external table with JDBC_DRIVER=com.clickhouse.jdbc.ClickHouseDriver ### Steps to reproduce 1. Create table with DateTime64(3,'UTC')...

TimonSP

[QA] Java: How to use the Native TCP protocol instead of the HTTP protocol? Is it GA-ed yet?

11

Hi, @zhicwu. > [Native TCP](https://clickhouse.com/docs/en/interfaces/tcp), which has less overhead. https://clickhouse.com/docs/en/interfaces/overview > The native protocol is used in the [command-line client](https://clickhouse.com/docs/en/interfaces/cli), for inter-server communication during distributed query processing, and also in...

leiless

clickhouse-jdbc driver did not support connection url parameters

2

### Describe the bug Clickhouse JDBC connection URL with parameters would be always uses `default` database, like this: ```yaml # the default database is NOT `my_db`, but the `default` db....

ldcsaa

### Describe the bug There is a problem with not included settings and passing them to the client. See: https://github.com/ClickHouse/clickhouse-java/pull/1689 TBD: describe more

chernser

ClickHouse java client - reusing same instance of ClickHouseClient gives execution timeout after 10 inserts

9

I am new using clickhouse and I have assembled a project in java using java client. ```xml com.clickhouse clickhouse-http-client 0.6.0 org.apache.httpcomponents.client5 httpclient5 5.2.1 ``` ```java HashMap options = new HashMap();...

occunha

### Describe the bug ### Steps to reproduce 1. download spark 2. Run server/worker 3. Run shell : spark/bin/spark-shell --packages com.clickhouse:clickhouse-jdbc:0.6.0-patch5 ### Expected behaviour Spark should load the table with...

selmi2

@mzitnik suggested using https://github.com/openjdk/jmh or extend https://github.com/ClickHouse/clickhouse-client-benchmarks

mshustov