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fix(deps): update dependency com.clickhouse:clickhouse-jdbc to v0.7.1-patch1 #208

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@renovate renovate bot commented Dec 2, 2024

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
com.clickhouse:clickhouse-jdbc (source) 0.6.5 -> 0.7.1-patch1 age adoption passing confidence

Release Notes

ClickHouse/clickhouse-java (com.clickhouse:clickhouse-jdbc)

v0.7.1-patch1

Compare Source

Bug Fixes

v0.7.1

Compare Source

Bug Fixes

v0.7.0

Compare Source

Deprecations
  • Following deprecated components are removed:
    • clickhouse-cli-client
    • clickhouse-grpc-client
Important Changes
New Features
Performance Improvements
  • [client-v2] Improved reading fixed length data like numbers. It is possible to configure readers to
    use pre-allocated buffers to avoid memory allocation for each data row/block. Significantly reduces GC pressure.
    See com.clickhouse.client.api.Client.Builder.allowBinaryReaderToReuseBuffers for details. (https://github.com/ClickHouse/clickhouse-java/pull/1816)
  • [client-v2] New API method introduced to read data directly to a POJO. Deserializers for POJO classes are compiled into
    bytecode (with help of https://asm.ow2.io/ library) and optimized for each schema. It is great performance boost
    because data is read without copying it into temporary structures. Code can be optimized by JVM while runtime as SerDe
    code is implemented without reflection using JVM bytecode. Using bytecode makes handling primitive types without valhttps://github.com/ClickHouse/clickhouse-java/pull/1794avhttps://github.com/ClickHouse/clickhouse-java/pull/1826se-java/pull/1826)
  • [client-v2] Optimized reading columns - internally data is read into map of column-values. It is done
    to allow reading same column more than once. Previously map was cleared each row what caused a lot
    internal objects creation. Now values are overridden because schema doesn't change betweehttps://github.com/ClickHouse/clickhouse-java/pull/1795pull/1795)
Documentation
Bug Fixes

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