[Spark] Introduce Redirect WriterOnly Feature

delta-io / delta

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

https://delta.io

Apache License 2.0

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[Spark] Introduce Redirect WriterOnly Feature #3813

Closed kamcheungting-db closed 3 weeks ago

kamcheungting-db commented 3 weeks ago

Which Delta project/connector is this regarding?

[x] Spark
[ ] Standalone
[ ] Flink
[ ] Kernel
[ ] Other (fill in here)

Description

This PR introduces a new writer-only table feature "redirection". This table feature would redirect the read and write query from the current storage location to a new storage location described inside the value of table feature.

How was this patch tested?

Does this PR introduce any user-facing changes?

No.