Do not return broken clients to the pool#2083
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If a client is not queryable, the pool should prevent requeuing instead of strictly enforcing errors to be propagated back to it.
Some weird behavior changed w/ async iteration in node 13.7...I'm not sure if this was an unintentional break or not but it definitely diverges in behavior from node 12 and earlier versions in node 13...so for now going to run tests on 13.6 to unblock the tests from running while I track this down.
Co-Authored-By: Charmander <~@charmander.me>
charmander
approved these changes
Jan 28, 2020
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This is the exact same as #2081 except it targets master, so this closes #2081 since this is not a backwards incompatible change: the old behavior was simply to put your pool into an unusable or unknown state and eventually perhaps crash your app sometime in the future when you go to use the broken client later which is...never what you want.