Added messages needed by compact log backup

YuJuncen commented 3 months ago

YuJuncen: Would you help me write a Pull Request description by the diff?

GitHub Copilot: Sure! Here's a concise Pull Request description based on the provided diff:

Pull Request Description

Summary

This PR introduces several new messages and fields to the brpb.proto file to enhance the metadata and file management capabilities.

Changes

DataFileInfo
- Added a new field crc64xor to store the CRC64XOR of all contents of the file.
New Messages
- Span: Represents a span with offset and length.
- SpansOfFile: Contains a file path and repeated Span messages.
- LogFileSubcompactionMeta: Metadata for log file subcompaction, including fields like size, region_id, cf, input_max_ts, input_min_ts, compact_from_ts, compact_until_ts, min_key, max_key, ty, and table_id.
- LogFileSubcompaction: Contains LogFileSubcompactionMeta and repeated File messages.
- LogFileSubcompactions: A batched version of LogFileSubcompaction.
- LogFileCompaction: Includes fields like compaction_from_ts, compaction_until_ts, name, comments, artifactes, artifactes_hash, and generated_files.
- MetaEdit: Contains fields for path, deletion of physical and logical files, and self-destruction flag.
- DeleteSpansOfFile: An extended version of SpansOfFile with additional metadata for delayed deletion.
- Migration: Contains repeated MetaEdit, truncated_to, repeated LogFileCompaction, and repeated destruct_prefix.

Motivation

These changes aim to improve the handling of file metadata, support for subcompactions, and provide more detailed information for file management and migration processes.

Feel free to adjust the description as needed!

ti-chi-bot[bot] commented 3 months ago

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ti-chi-bot[bot] commented 3 months ago

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pingcap / kvproto