wei liu 3a7a08f2b3
enhance: [2.5] Add granular flush targets support for FlushAll operation (#44431)
issue: #44156
pr: #44234
Enhance FlushAll functionality to support targeting specific collections
within databases instead of only database-level flushing.

Changes include:

- Add FlushAllTarget message in data_coord.proto for granular targeting
- Support collection-specific flush operations within databases
- Maintain backward compatibility with deprecated db_name field

This enhancement allows users to flush specific collections without
affecting other collections in the same database, providing more precise
control over data persistence operations.

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Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2025-09-28 10:37:06 +08:00
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