Make DemoteMaster idempotent. #5293
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These are talking about the serving graph, which no longer exists. Instead of storing serving state of each tablet in topo, we now have vtgate directly query serving state of every tablet. Signed-off-by: Anthony Yeh <enisoc@planetscale.com>
Signed-off-by: Anthony Yeh <enisoc@planetscale.com>
deepthi
approved these changes
Oct 12, 2019
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The important test IMO will be in e2e when we test PRS with real mysqld servers. We can think about unit tests, but for code that depends so much on interaction with MySQL, I feel like the unit test ends up testing the fake MySQL more than it tests the interaction code. |
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NOTE: This PR is targeting the
reparent-refactorfeature branch, notmaster.