Thom Brown <thombr...@gmail.com> writes:
> This probably isn't a legitimate bug, but as a precaution....
> I'm running the following command against PostgreSQL 9.0 beta 1:
> psql -U postgres -d test -c "select tablename,
> pg_size_pretty(pg_table_size(tablename::regclass)) from pg_tables
> order by tablename;"
> And getting the following message:
> ERROR: relation "sql_sizing" does not exist
The "tablename::regclass" bit is guaranteed to fail for any relation
that's not in your current search_path, because you're just handing
an unqualified name to the regclass converter.
If you're absolutely intent on using the pg_tables view here, you
could do this instead:
(quote_ident(schemaname) || '.' || quote_ident(tablename))::regclass
Frankly though this seems like quite the hard way. Why not just
select relname, pg_size_pretty(pg_table_size(oid)) from pg_class
where relkind = 'r'
order by relname;
regards, tom lane
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