xylaaaaa opened a new pull request, #63862:
URL: https://github.com/apache/doris/pull/63862
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary:
- Add the first new-framework ORC FileReader implementation and wire
FileFormat::ORC through TableReader.
- Support basic top-level scalar ORC schema discovery, column projection,
batch decoding, and EOF handling.
- Keep filters, complex projections, and table-format-specific semantics as
explicit unsupported first-version scope.
### Release note
None
### Check List (For Author)
- Test:
- Unit Test: `./run-be-ut.sh -j 12 --run
--filter=NewOrcReaderTest.*:TableReaderTest.*`
- Unit Test: `./run-be-ut.sh -j 12 --run
--filter=TableReaderTest.ProjectedColumnsUseMapperExpressionForSameNameDifferentIdParquetSchema`
- Format: `python3 build-support/run_clang_format.py
--clang-format-executable /mnt/disk1/chenjunwei/bin/clang-format --style file
--inplace false --extensions c,h,C,H,cpp,hpp,cc,hh,c++,h++,cxx,hxx --exclude
none be/src/format/new_orc/orc_reader.h be/src/format/new_orc/orc_reader.cpp
be/src/format/reader/table_reader.cpp
be/src/format/transformer/vparquet_transformer.cpp
be/test/format/new_orc/orc_reader_test.cpp`
- Check: `git diff --check origin/refact_reader_branch...HEAD`
- Behavior changed: No
- Does this need documentation: No
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