automatic indexes must be WHERE_IDX_ONLY, but the RIGHT JOIN post-processing
does not know how to work with an index-only scan.
FossilOrigin-Name: beb4401dc09fb68e85ddcf3f99598527691535d0eb7693168f440e5a5a076e3f
that are to the left of a RIGHT JOIN, to avoid other complications.
FossilOrigin-Name: cf00ebfc4b77f45ec466b0d57d7c22c7f48acab19e4e55b168eb4b53f390d887
make sure all its columns are flushed to NULL when it finishes so that
they appear to be NULL during the RIGHT JOIN post-processing.
FossilOrigin-Name: f84b2beca719758979d7a5a63c3d16d5121a7518b3fbe5039af474a83dd569c2