## E.351. Release 6.5.1

Release date: 1999-07-15

This is basically a cleanup release for 6.5. We have fixed a variety of problems reported by 6.5 users.

### E.351.1. Migration to Version 6.5.1

A dump/restore is not required for those running 6.5.

### E.351.2. Changes

    Add NT README file
    Portability fixes for linux_ppc, IRIX, linux_alpha, OpenBSD, alpha
    Remove QUERY_LIMIT, use SELECT...LIMIT
    Fix for EXPLAIN on inheritance(Tom)
    Patch to allow vacuum on multisegment tables(Hiroshi)
    R-Tree optimizer selectivity fix(Tom)
    ACL file descriptor leak fix(Atsushi Ogawa)
    New expression subtree code(Tom)
    Avoid disk writes for read-only transactions(Vadim)
    Fix for removal of temp tables if last transaction was aborted(Bruce)
    Fix to prevent too large row from being created(Bruce)
    plpgsql fixes
    Allow port numbers 32k - 64k(Bruce)
    Add ^ precedence(Bruce)
    Rename sort files called pg_temp to pg_sorttemp(Bruce)
    Fix for microseconds in time values(Tom)
    Tutorial source cleanup
    New linux_m68k port
    Fix for sorting of NULL's in some cases(Tom)
    Shared library dependencies fixed (Tom)
    Fixed glitches affecting GROUP BY in subselects(Tom)
    Fix some compiler warnings (Tomoaki Nishiyama)
    Add Win1250 (Czech) support (Pavel Behal)