release-2.1: sql: fix panic when searching for equivalent renders #43118
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Backport 1/1 commits from #35995.
/cc @cockroachdb/release
Fixes: #42836.
Previously, certain kinds of window functions could generate a panic
when trying to reuse equivalent renders when those renders were tuples.
This is fixed by comparing the types using the Equivalent method instead
of ==.
Release note (bug fix): fix panics caused by certain window functions
that operate on tuples