Hi, The member root in foreign_glob_cxt isn't used anywhere by postgres_fdw code. Without that member the code compiles and regression passes. The member was added by d0d75c40. I looked at that commit briefly but did not find any code using it there. So, possibly it's unused since it was introduced. Should we drop that member?
PFA the patch to remove that member. If we decide to drop that member, we can drop root argument to is_foreign_expr() and clean up some more code. I volunteer to do that, if we agree. -- Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company
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