Re: pg_upgrade fails to restore function

"=?gb18030?B?Um9nZXIgU3Vubnk=?=" <947035276(at)qq(dot)com> writes:
> During the pg_upgrade from PostgreSQL 9.4 to PostgreSQL 10.0, the error¡±[archiver (db)] Error while PROCESSING TOC:¡± happened, The upgrade failed. OS is RHEL 6.5 , The error is as below:
> <pg_upgrade log>pg_restore: connecting to database for restorepg_restore: creating pg_largeobject "pg_largeobject"pg_restore: creating pg_largeobject_metadata "pg_largeobject_metadata"pg_restore: creating SCHEMA "bo_user0300"pg_restore: creating SCHEMA "d0007359_bex2018"pg_restore: creating SCHEMA "d0007359_dan2014" ---- omit ---------- omit ---------- omit ------
> pg_restore: creating PROCEDURE "zchuo_ult18.kp_delkakeihyo(character)"

> pg_restore: creating FOREIGN DATA WRAPPER "dblink_fdw"

> pg_restore: [archiver (db)] Error while PROCESSING TOC:
> pg_restore: [archiver (db)] Error from TOC entry 470023; 2328 777028 FOREIGN DATA WRAPPER dblink_fdw postgrespg_restore: [archiver (db)] could not execute query: ERROR: function dblink_fdw_validator(text[], oid) does not exist
> Command was: CREATE FOREIGN DATA WRAPPER "dblink_fdw" VALIDATOR "dblink_fdw_validator";

Is that really the first error, or did you "omit" some? What it
looks like is that dblink_fdw_validator had previously failed to
be created, probably because you don't have dblink.so installed
in the destination database. Or maybe it's not the right version
of dblink.so.

regards, tom lane