release-20.2: backupccl: do not re-create schema change jobs in cluster restore #56390
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This commit fixes a bug where schema change jobs that were in progress during a cluster backup would be re-created twice during a cluster restore. Release note (bug fix): Previously if a cluster backup that was taken during a schema change, a cluster restore of that backup would create duplicates of the ongoing schema changes.
This commit expands the mid schema change restore tests to test both table and cluster restore of backups that had ongoing schema changes. This commit also adds test cases for when a schema change has not performed the backfill. This is in addition to the existing cases where the backfill has already been performed. Release note: None
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dt
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Nov 8, 2020
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Backport 2/2 commits from #55973.
/cc @cockroachdb/release
This commit fixes a bug where schema change jobs that were in progress
during a cluster backup would be re-created twice during a cluster
restore.
Release note (bug fix): Previously if a cluster backup that was taken
during a schema change, a cluster restore of that backup would create
duplicates of the ongoing schema changes.