clickhouse-java
clickhouse-java copied to clipboard
Java client and JDBC driver for ClickHouse
I checked several closed issues, but it seems something changed, they don't work for me. I don't see how to write arrays. ClickHouseRowBinaryProcessor has several serializers like MapSerializer, TupleSerializer, but...
What's an efficient way to insert CSV file data into an existing table in ClickHouse? I need an optimal way to insert CSV data in existing tables In terms of...
### Describe the bug I do 2 almost equals query `SELECT toDateTime('2019-01-01 17:00:00')` within same client with only difference in format: `RowBinaryWithNamesAndTypes` or `TabSeparatedWithNamesAndTypes`. Unexpectedly they returns two different instants...
### Describe the bug The memory limitation of the ClickHouse service on a single node affects insertion, and after restarting ClickHouse, the application service does not recover and keeps looking...
### I am not able to insert the CSV data into the existing table in click house. using clickhouse-java I run the below code but it throws the errro: ```...
Error: The ClickHouseDataProcessor doesn't reset the write position after encountering exceptions during addBatch(). This leads to subsequent batches using the wrong position and failing with serialization errors. Scenario: - Calling...
Hello, I am trying to load Parquet file to Clickhouse table using `com.clickhouse.client.ClickHouseClient` and the execution fails at the end with the following exception. Please note that the data does...
## Summary When SQL is formatted using the `FORMAT TabSeparatedWithNamesAndTypes` in ClickHouse the `ClickHouseTabSeparatedProcessor` will `update` the value as a `String`. In this case, if the double type is `inf,...
because getTables method is very commonly used. Just for me, I don't import org.lz4:lz4-java:1.8.0 but because ClickHouseDatabaseMetaData.getTables ignore error, I debug for a long time.
server version:22.1.3.7 driver version: com.clickhouse clickhouse-jdbc 0.5.0 all my table schema: I can read from clickhouse-client: But from jdbc read nothing