sql: update `EXPERIMENTAL_RELOCATE` to support relocation of non-voters#62696

Merged

craig[bot] merged 3 commits intocockroachdb:masterfrom aayushshah15:20210327_updateExperimentalRelocate

Mar 29, 2021

+137-36

Commits on Mar 27, 2021

sql: stop spuriously removing non-voters on EXPERIMENTAL_RELOCATE
aayushshah15
committed

Commits on Mar 29, 2021