clickhouse-java v0.9.8

Improvements

• [client-v2] Added Records#getSchema() to expose table schema metadata even when query result is empty. (https://github.com/ClickHouse/clickhouse-java/pull/2777)

Bug Fixes

• [jdbc-v1, jdbc-v2] Fixed type mapping/conversion behavior for large unsigned integer values (issue #2779), including related test coverage updates. (https://github.com/ClickHouse/clickhouse-java/issues/2779)

• [jdbc-v2] Fixed off-by-one bug in ArrayResultSet#next() that could return true one extra time and then fail with SQLException: No current row. (https://github.com/ClickHouse/clickhouse-java/pull/2790)

• [jdbc-v2] Fixed handling of malformed SELECT-like queries (for example, SELECT a, FROM table): previously, the driver could fail to read returned data when query type was not inferred before execution; now it detects a returned result set at runtime from the server response and reads it correctly. (https://github.com/ClickHouse/clickhouse-java/issues/2784)

Updated Dependencies

• [repo] Upgraded at.yawk.lz4:lz4-java from 1.10.2 to 1.10.4 to pick up native performance fixes. (https://github.com/ClickHouse/clickhouse-java/pull/2778)

• [repo] Upgraded com.fasterxml.jackson.core:jackson-core from 2.17.2 to 2.18.6 in jdbc-v2. (https://github.com/ClickHouse/clickhouse-java/pull/2767)

• [repo] Upgraded com.fasterxml.jackson.core:jackson-core from 2.17.2 to 2.18.6 in examples/client-v2. (https://github.com/ClickHouse/clickhouse-java/pull/2766)

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Source ClickHouse/clickhouse-java · v0.9.8 · 2026-03-18 · upstream release

Mirrored verbatim for indexing. All rights belong to the upstream project.