Hi Zhang,
> That remind me to have a look other codes, and a grep search `oid != 0` show there are several files using old != 0.
>
> ```
> .//src/bin/pg_resetwal/pg_resetwal.c: if (set_oid != 0)
> .//src/bin/pg_resetwal/pg_resetwal.c: if (set_oid != 0)
> .//src/bin/pg_dump/pg_backup_tar.c: if (oid != 0)
> .//src/bin/pg_dump/pg_backup_custom.c: while (oid != 0)
> .//src/bin/pg_dump/pg_backup_custom.c: while (oid != 0)
> ```
> That is another story…I would like provide a patch if it worths.
Good catch. Please do so.
--
Best regards,
Aleksander Alekseev
