Search results

[client-v2] Dynamic type tag for SimpleAggregateFunction is written as a bare 0x2E byte and desynchronizes the RowBinary stream

Status: Open.

#3007 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 3, 2026

client-v2: reading a SimpleAggregateFunction held in a Dynamic column fails and can desynchronize the RowBinary stream

Status: Open.

#3005 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 3, 2026

[client-v2] Reading a Variant, Nested, Decimal or Enum value nested in a Dynamic column fails or loses the type parameters

Status: Open.

#3003 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 3, 2026

[client-v2] JSON typed paths containing a space or comma break when the JSON value is nested in a Dynamic column

Status: Open.

#3001 In ClickHouse/clickhouse-java;

· claude opened on Aug 3, 2026

[client-v2] Compiled POJO setter emits invalid bytecode (VerifyError) when the column type does not match the primitive field type

Status: Open.

#2999 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 3, 2026

client-v2: reading a UInt64 column into a primitive POJO field throws ClassCastException

Status: Open.

#2996 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 3, 2026

jdbc-v2: JDBC escape processing rewrites bound String values — "{fn " in data corrupts the statement

bug

jdbc-v2jdbc-v2 issuesjdbc-v2 issues

Status: Open.

#2995 In ClickHouse/clickhouse-java;

· alex-clickhouse opened on Aug 3, 2026

[client-v2] Nullable column bound to a primitive POJO setter silently corrupts the row (null marker never consumed)

area:client-pojo-serdeSerDe of POJO'sSerDe of POJO's

area:client-readhandling data read in clienthandling data read in client

bug

client-api-v2

Status: Open.

#2993 In ClickHouse/clickhouse-java;

· alex-clickhouse opened on Aug 3, 2026

client-v2: cancelTransportRequest is lost when it lands between two retry attempts

Status: Open.

#2989 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Jul 31, 2026

[client-v2/jdbc-v2] getTableSchemaFromQuery wraps SQL verbatim in DESC (...) - trailing comment or semicolon breaks column metadata (code 62)

Status: Open.

#2982 In ClickHouse/clickhouse-java;

· claude opened on Jul 29, 2026

[client-v2] Implement QBit support for Native Format

area:data-typedata type processing issuesdata type processing issues

Status: Open.

#2980 In ClickHouse/clickhouse-java;

· chernser opened on Jul 29, 2026

·  

0.12.0

[R2DBC] Cancelled reactive queries leak HTTP connections and exhaust the connection pool

area:networknetwork and IO related issuesnetwork and IO related issues

bug

r2dbc

Status: Open.

#2976 In ClickHouse/clickhouse-java;

· tomaszzason opened on Jul 29, 2026

·  

0.12.0