The following bug has been logged on the website:
Bug reference: 6485
Logged by: Ramanujam
Email address: innomotive(at)gmail(dot)com
PostgreSQL version: 9.0.3
Operating system: Windows 7 Home Premium
Description:
Primary key information in pg_attribute table is not updated when a column
name is renamed.
Command used:
ALTER TABLE table_name RENAME COLUMN old_column TO new_column
Entries in pg_attribute still carries old_column.