Added index on foreign key column to reduce sequential reads on delete operations, since the optimizer brain fart ((c)Don Baccus) that existed 17 years ago in pg 7.2 seems to be gone (https://openacs.org/forums/message-view?message_id=142769)
- Convert frequenty used functions from plpgsql to strict and stable SQL functions, which allow the PostgreSQL more optimizations * acs_group__member_p/3 * site_node__url/1 - bump version number to 5.10.0d27