release-20.2: roachtest: add schemachange/database-version-upgrade #54956
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This PR adds a new mixed-version roachtest, which tests 2 loosely related things: 1. Correctness of database schema changes during the 20.1/20.2 mixed- version state, in which 20.2 nodes still use the deprecated database cache and non-lease-based schema change implementation. 2. Ability to use ALTER DATABASE ... CONVERT TO SCHEMA WITH PARENT on databases created in 20.1. To these ends, the test creates several databases, runs schema changes on each one at different states in the rolling upgrade process, and runs the reparenting statement on all of them post-finalization. Release note: None
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This change is |
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I was just reminded that we always use roachtest from the master branch (for now...), so this isn't necessary. |
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Backport 1/1 commits from #54489.
/cc @cockroachdb/release
This PR adds a new mixed-version roachtest, which tests 2 loosely
related things:
version state, in which 20.2 nodes still use the deprecated database
cache and non-lease-based schema change implementation.
databases created in 20.1.
To these ends, the test creates several databases, runs schema changes
on each one at different states in the rolling upgrade process, and runs
the reparenting statement on all of them post-finalization.
Closes #53568.
Release note: None