Julien Rouhaud <julien.rouhaud@dalibo.com> writes:
> The segfault is caused by quals_match_foreign_key() calling get_leftop()
> and get_rightop() on a ScalarArrayOpExpr node.
> Reordering the common fields of OpExpr and ScalarArrayOpExpr at the
> beginning of the struct so the get_*op() work with either (as in
> attached patch) fixes the issue.
> I'm not sure that assuming this compatibility is the right way to fix
> this though.
It certainly isn't.
regards, tom lane