refactor: simplify cache, add support for mssql
#9938
Merged
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This:
.cache()
. Abstracting things out to a generalRefCountedCache
led to some hard-to-follow code paths for no added benefit (we weren't using that class anywhere else, and there were no isolated tests for the functionality). Moving to a mixin in theBaseBackend
made the methods required a lot easier to follow.mssql
implementation that was preventing support..cache()
now fully works withmssql
.Net decrease in LOC, while adding functionality and tests.
This change was motivated by #6195, which I'll add as a follow-up.