In testing my software on postgresql-8.4beta[12] I got
ERROR: 42501: permission denied: "pg_namespace" is a system catalog
LOCATION: ATAddForeignKeyConstraint, tablecmds.c:4599
from my code which has a column
schema_name name NOT NULL REFERENCES pg_namespace ON DELETE CASCADE
this despite PostgreSQL happily accepting:
GRANT REFERENCES ON pg_namespace TO greg;
I found the change in tablecmds.c and a mention of it in PostgreSQL
Weekly News - May 17 2009, yet I don't understand why referencing
a system table in this manner should be a problem - is it?
I'm trying to have certain rows of my tables go away if certain
schemas are dropped. Is there a preferred way to do this?
If this regression is retained, it needs to be documented in the
reference manual AND I think that an attempt to GRANT REFERENCES
privileges to a system table should not be allowed.
BTW, I'm loving most of what I see in 8.4,
_Greg
J. Greg Davidson
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