Release date: 2007-04-23
This release contains fixes from 7.4.16, including a security fix. For information about new features in the 7.4 major release, see Section E.305.
A dump/restore is not required for those running 7.4.X. However, if you are upgrading from a version earlier than 7.4.11, see Section E.294.
Support explicit placement of the temporary-table
and disable searching it for functions and operators
This is needed to allow a security-definer function to
set a truly secure value of
search_path. Without it, an unprivileged
SQL user can use temporary objects to execute code with
the privileges of the security-definer function
FUNCTION for more information.
Fix potential-data-corruption bug in how
VACUUM FULL handles
UPDATE chains (Tom, Pavan Deolasee)
Fix PANIC during enlargement of a hash index (bug introduced in 7.4.15) (Tom)
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.