feat: auto refresh ReadOnlyAttach-ed table schema #14241
Merged
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Summary
auto-refresh ReadOnlyAttach-ed table schema.
introduce the new Trait
TableInfoRefresher
Table engines may register their impls of
TableInfoRefresher
to storage factoryfuse table engine's impl of
TableInfoRefresher
will refresh schema by syncing the latest schema from the attached storage, if the table is created in the "attach read-only" way.during
alter table add/remove column
, a new table snapshot will be generated and kept in the object storageso that the latest schema could be fetched without accessing the meta server (which is infeasible if the table is read-only attached).
related test cases are tweaked accordingly.
Fixes #13559
Tests
Type of change
This change is