[9.0] fix regression - should be able to plan subquery on top of subquery #7683
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Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
shlomi-noach
approved these changes
Mar 16, 2021
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Description
During a refactoring of the planner code in the V9.0.0 release, this query type was broken. This restored the capability to plan IN sub queries on top of other IN sub queries.
Checklist
No, this is the backportAddedImpacted Areas in Vitess
Components that this PR will affect:
(This is a backport of #7682)