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branch-4.1: [feat](jni-writer) Support JNI-based write framework for custom writers (#60756) - #61405
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…rs (apache#60756) ### What problem does this PR solve? Related apache#60768 Introduce a symmetric JNI writer mechanism that complements the existing JNI scanner framework, enabling custom file writers to be implemented in Java and invoked through JNI from the C++ query executor. Key changes: - Add VJniFormatTransformer for delegating writes to Java via JNI - Extend TTVFTableSink with writer_type and writer_class fields - Add JniWriter base class and LocalFileJniWriter reference implementation - Integrate with file_format_transformer factory routing logic The implementation follows the same patterns as JniScanner for consistency: - Reuses class loading mechanism (Jni::Util::get_jni_scanner_class) - Mirrors constructor signature: (int batchSize, Map<String,String> params) - Supports schema caching and performance instrumentation
hello-stephen
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Mar 16, 2026
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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morningman
commented
Mar 16, 2026
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run buildall |
doris-robot
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Mar 17, 2026
BE UT Coverage ReportIncrement line coverage Increment coverage report
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yiguolei
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Mar 17, 2026
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
hello-stephen
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Mar 17, 2026
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Cloud UT Coverage ReportIncrement line coverage Increment coverage report
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hello-stephen
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Mar 17, 2026
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BE Regression && UT Coverage ReportIncrement line coverage Increment coverage report
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morningman
commented
Mar 17, 2026
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run vault_p0 |
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bp #60756