Following a ROLLBACK that reverts changes to an RTREE, any pending queries

against that same RTREE abort with code SQLITE_ABORT_ROLLBACK.
dbsqlfuzz de7d17b72d0e842352c998dd86a47b7d0f707be9.

FossilOrigin-Name: af5c425114f32c2f84aea20edd4fa46eb1bfdeb3747fce357540e15978a070c8