E.20. �汾 7.2.4

E.20.1. ��ֲ�� 7.2.4

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E.20.2. �仯

• Fix some additional cases of VACUUM "No one parent tuple was found" error

• Prevent VACUUM from being called inside a function (Bruce)

• Ensure pg_clog updates are sync'd to disk before marking checkpoint complete

• Avoid integer overflow during large hash joins

• Make GROUP commands work when pg_group.grolist is large enough to be toasted

• Fix errors in datetime tables; some timezone names weren't being recognized

• Fix integer overflows in circle_poly(), path_encode(), path_add() (Neil)

• Repair long-standing logic errors in lseg_eq(), lseg_ne(), lseg_center()