[Protocol Change] Protocol RFC for Table Redirect #4507
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imback82
reviewed
May 8, 2025
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| * **RedirectWriterOnly**: | ||
| When enabled, redirectable clients must redirect both reads and writes. For non-redirectable clients, | ||
| **reads from the source table are still allowed**, but **writes are blocked**. |
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Can clients "optionally" decide to redirect to target tables for reads?
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| * **State**: Indicates the status of the redirect. While the exact values are implementation-specific, the following | ||
| high-level states are recommended: | ||
| * `IN-PROGRESS`: The redirect is being set up. No redirect is performed. The source table is still readable but not writable. |
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not writable -> except for updating this state to "READY"?
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ok, I think below engine responsibilities address this?
| **reads from the source table are still allowed**, but **writes are blocked**. | ||
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| Redirect is enabled and configured at the source table via the corresponding Delta table properties: | ||
| `redirectReaderWriter` and `redirectWriterOnly`. These are JSON strings specific to the implementation, but they should |
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Which Delta project/connector is this regarding?
Description
Add the protocol change proposal for the redirect table features (see #3702) to the RFC folder. This PR replaces #3705.
How was this patch tested?
n/a
Does this PR introduce any user-facing changes?
No.