lucasfang opened a new pull request, #86:
URL: https://github.com/apache/paimon-cpp/pull/86
### Purpose
Linked issue: No linked issue
This change adds manifest core types, file metadata structures, and
serialization/writing utilities for the Paimon C++ storage layer.
Included changes:
- **File kind and source primitives**:
- Adds `FileKind` enum and helper utilities (`file_kind.h`,
`file_kind.cpp`)
- Adds `FileSource` abstraction for file origin tracking (`file_source.h`,
`file_source.cpp`)
- Adds test coverage for `FileKind` and `FileSource`
- **Manifest entry and file entry types**:
- Adds `ManifestEntry` data structure representing a single manifest
record (`manifest_entry.h`, `manifest_entry.cpp`)
- Adds `FileEntry` type for file-level metadata within manifests
(`file_entry.h`)
- Adds test coverage for `FileEntry`
- **Manifest entry serialization and writing**:
- Adds `ManifestEntrySerializer` for binary serialization/deserialization
of manifest entries (`manifest_entry_serializer.h`,
`manifest_entry_serializer.cpp`)
- Adds `ManifestEntryWriter` for writing manifest entries to output
streams (`manifest_entry_writer.h`, `manifest_entry_writer.cpp`)
- Adds test coverage for `ManifestEntrySerializer` and
`ManifestEntryWriter`
- **Manifest file metadata**:
- Adds `ManifestFileMeta` describing manifest file properties
(`manifest_file_meta.h`, `manifest_file_meta.cpp`)
- Adds `ManifestFileMetaSerializer` for serializing manifest file metadata
(`manifest_file_meta_serializer.h`, `manifest_file_meta_serializer.cpp`)
- Adds test coverage for `ManifestFileMetaSerializer`
### Tests
Test coverage included in this change:
- `FileKindTest`
- `FileSourceTest`
- `FileEntryTest`
- `ManifestEntrySerializerTest`
- `ManifestEntryWriterTest`
- `ManifestFileMetaSerializerTest`
### API and Format
This change adds public API in `src/paimon/core/manifest/` including
`FileKind`, `FileSource`, `ManifestEntry`, `FileEntry`,
`ManifestEntrySerializer`, `ManifestEntryWriter`, `ManifestFileMeta`, and
`ManifestFileMetaSerializer`.
No storage format or protocol changes.
### Documentation
No documentation changes required.
### Generative AI tooling
Migrate-by: Aone Copilot (Qwen-3.7-Max)
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