The following bug has been logged online:
Bug reference: 5742
Logged by: Tian Shiquan
Email address: tian2004_2008(at)163(dot)com
PostgreSQL version: 8.3.11
Operating system: windows xp sp3
Description: cannot alter column
Details:
if column is used by view or function,I will alter the column,then the
system notice:rule _RETURN on view mop3000c_view depends on column
"cust_cono"