Adding a column to a replicated table

I have a read only materialized view on one server and the master table on another server. I need to add a column to the master table and the materialized view is NOT defined with=20 < create materialized view ... as select * from table_at_mastersite >

The MV specifies the columns to replicate and I'm not interested in replicating the new column. Do I still need to perform the DDL via the dbms_repcat.alter_master_repobject(...) package procedure? Will replication break if I alter the master table without this? (9.2/RHEL3)

TIA,
Steve Orr
Bozeman, Montana

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