clickhouse-java

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Client already does that but the driver doesn't. It is needed to act adequately when some of the hosts are down, for example. And checking each host manually to know...

Solanj

Error when writing array<string> column of dataframe

4

Hi I am reading data from mongo using spark-mongo-connector as data-frame one of the column is ```array``` and writing data-frame to clickhouse but I get the following error ``` java.lang.IllegalArgumentException:...

honavar-sohan

how can get result of cityHash64(11) ```sql SELECT cityHash64(11) Query id: 5c297931-dd69-48cb-9f01-4d6253e19da5 ┌──────cityHash64(11)─┐ │ 6561530814298065564 │ └─────────────────────┘ 1 rows in set. Elapsed: 0.002 sec. SELECT cityHash64('11') Query id: 18171503-24ee-44d2-9588-118419255434 ┌────cityHash64('11')─┐...

songenjie

Problem when send batch with compression

4

Hello, when i send compression like in the example using diferents compressions(gzip, brotli) ClickHouseStatement sth = connection.createStatement(); sth .write() .sql("INSERT INTO default.my_table (a,b,c)") .data(new MyCustomInputStream(), ClickHouseFormat.JSONEachRow) .dataCompression(ClickHouseCompression.brotli) .addDbParam(ClickHouseQueryParam.MAX_PARALLEL_REPLICAS, 2) .send();...

Lucgarg

No suitable driver found

1

flink 1.13.1 idea run and flink on yarn throw the same error pom.xml ``` ru.yandex.clickhouse clickhouse-jdbc 0.3.1 ``` error： ``` Caused by: java.io.IOException: unable to open JDBC writer at org.apache.flink.connector.jdbc.internal.AbstractJdbcOutputFormat.open(AbstractJdbcOutputFormat.java:56)...

YunKillerE

skywalking + clickhouse-jdbc return errorCode 1002, state null 400 Bad Request

3

skywalking:8.3 clickhouse-jdbc:0.3.1 clickhouse:21.4.5.46 skywalking + clickhouse-jdbc return HttpResponseProxy{HTTP/1.1 400 Bad Request [Connection: Close] ResponseEntityProxy{[Chunked: false]}} =============detail============= , errorCode 1002, state null ru.yandex.clickhouse.except.ClickHouseUnknownException: ClickHouse exception, code: 1002, host: , port: 8123;...

tz826

lossing data when inserting data to bitmap table by clickhouse-jdbc

8

Hi, I have two tables in my system: dm_user_set_mapping_di and dm_user_set_mapping_di_tmp. ` CREATE TABLE profile.dm_user_set_mapping_di ( `date` UInt32, `userset_key` String, `uv` AggregateFunction(groupBitmap, UInt64) ) ENGINE = Distributed( 'perftest_3shards_1replicas', 'profile', 'dm_user_set_mapping_di_local',...

victortony

Caused by: org.apache.http.TruncatedChunkException: Truncated chunk ( expected size: 4096; actual size: 4088)

4

Caused by: org.apache.http.TruncatedChunkException: Truncated chunk ( expected size: 4096; actual size: 4088)

a394023466

support clickhouse-format functionality, format sql in java applications

2

support clickhouse-format functionality, format sql in java applications.

melin

No alert in spring log for "Not enough privileges." error

8

Here are 2 scenarios: ## 1. Correct user/pasword but wrong database in URL Steps to reproduce: 1. Configurations in application.yml. Correct user/pasword but wrong database in URL 2. Hardcode the...

jisa6001