[arrow] Improve customization capabilities for data type conversion. #6695
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…etween Paimon and Arrow formats(apache#6694).
…etween Paimon and Arrow formats(apache#6695).
…etween Paimon and Arrow formats(apache#6695).
jerry-024
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Dec 2, 2025
* upstream/master: [test] Fix test SparkWriteITCase.testTruncatePartitionValueNull [orc] Limiting Memory Usage of OrcBulkWriter When Writing VectorizedRowBatch (apache#6590) [arrow] Improve customization capabilities for data type conversion. (apache#6695) [spark] Fix NPE in spark truncate null partitions [core] Exclude .class files from sources.jar (apache#6707) [core] DataEvolutionFileStoreScan should not filter files by read type when it contains no physical columns. (apache#6714) [spark] Update scalafmt version to 3.10.2 (apache#6709) [variant] Extract only required columns when reading shredded variants (apache#6720) [python] Fix read large volume of blob data (apache#6701) [flink] Support cdc source (apache#6606) [hive] fix splitting for bucket tables (apache#6594) [spark] Update spark build topology for global index (2) (apache#6703) [test][spark] Fix the flaky test setDefaultDatabase (apache#6696) [spark] Update global index build topology (apache#6700) [spark] Introduce global file index builder on spark (apache#6684) [python] Fix with_shard feature for blob data (apache#6691) [test][spark] Add alter with incompatible col type test case (apache#6689) [variant] Introduce withVariantAccess in ReadBuilder (apache#6685) [python] Fix file name prefix in postpone mode. (apache#6668)
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[arrow] Improve customization capabilities for data type conversion between Paimon and Arrow formats.(#6694).
Purpose
paimon-arrow module has a good design for paimon-arrow field type conversions, but the top level class has the fixed type conversions, in some use cases, developers may want to customize the field type conversion process to meet the use-case.
Linked issue: open #6693
Tests
add org.apache.paimon.arrow.vector.ArrowFormatWriterTest#testCustomArrowFormatWriter
API and Format
No
Documentation
No