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Java client and JDBC driver for ClickHouse

Results 485 clickhouse-java issues
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**Describe the unexpected behaviour** The same column names in different letters in the clockhouse leads to errors in various other products that are connected to the clickhouse via jdbc For...

bug
module-jdbc
usability

### Describe the bug Table with transaction column name not parsed ``` create table test_execute_batch(a Int32, transaction String)engine=Memory ``` ### Expected behaviour It should be parsed and the table should...

bug
module-jdbc
usability

Hi, I use clickhouse-r2dbc version 0.4.6 and connection pooling. After 30 minutes or inactivity (default value for `maxIdleTime`) connection is closed and no further queries run with existing connection factory....

bug

Bumps org.apache.commons:commons-compress from 1.23.0 to 1.24.0. [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=org.apache.commons:commons-compress&package-manager=maven&previous-version=1.23.0&new-version=1.24.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) You can trigger a rebase of this PR by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- Dependabot commands...

dependencies

### Describe the bug Hi. I'm using DBeaver Version 23.2.2.202310081633 (October 9, 2023) which uses clickhouse-jdbc 0.4.6 pointed to ClickHouse Server 23.9.1 revision 54466. I have a table defined as...

bug
module-client

### Describe the bug I have using clickhouse-http-client 0.4.5 and I am executing single query where retrieve all records from the 'table' where the primary key is equal to a...

bug
module-http
performance
investigating

### Describe the bug From spark using the `com.clickhouse.jdbc.driver`, cannot save a dataframe that has a map type despite the table having a map and can perform this operation in...

bug
module-jdbc
usability

I don't mind to use custom_http_params, thought in the past clickhouse-jdbc allowed to add and pass to a server arbitrary settings. But I don't like that the current client allows...

enhancement
module-client
usability
stale

Getting below error when reading parquet file. `aused by: org.apache.spark.sql.AnalysisException: Illegal Parquet type: INT64 (TIMESTAMP(NANOS,true)) at org.apache.spark.sql.errors.QueryCompilationErrors$.illegalParquetTypeError(QueryCompilationErrors.scala:1328) at org.apache.spark.sql.execution.datasources.parquet.ParquetToSparkSchemaConverter.illegalType$1(ParquetSchemaConverter.scala:178) at org.apache.spark.sql.execution.datasources.parquet.ParquetToSparkSchemaConverter.$anonfun$convertPrimitiveField$2(ParquetSchemaConverter.scala:247) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.sql.execution.datasources.parquet.ParquetToSparkSchemaConverter.convertPrimitiveField(ParquetSchemaConverter.scala:196) at org.apache.spark.sql.execution.datasources.parquet.ParquetToSparkSchemaConverter.convertField(ParquetSchemaConverter.scala:160) at org.apache.spark.sql.execution.datasources.parquet.ParquetToSparkSchemaConverter.$anonfun$convertInternal$1(ParquetSchemaConverter.scala:124) at...

question

SQL查询结果使用Map作为resultMap,count函数使用Java中Long类型接收对应的value,SQL查询报错:clickhouse.value.UnsignedLong cannot cast to Long

enhancement
module-jdbc