Re: Vacuum/visibility is busted
От | Tom Lane |
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Тема | Re: Vacuum/visibility is busted |
Дата | |
Msg-id | 28450.1360298849@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: Vacuum/visibility is busted (Alvaro Herrera <alvherre@2ndquadrant.com>) |
Ответы |
Re: Vacuum/visibility is busted
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Список | pgsql-hackers |
Alvaro Herrera <alvherre@2ndquadrant.com> writes: > xid = HeapTupleHeaderGetRawXmax(tuple); > ! if (((tuple->t_infomask & HEAP_XMAX_IS_MULTI) && > ! MultiXactIdIsValid(xid) && > ! MultiXactIdPrecedes(xid, cutoff_multi)) || > ! ((!(tuple->t_infomask & HEAP_XMAX_IS_MULTI)) && > ! TransactionIdIsNormal(xid) && > ! TransactionIdPrecedes(xid, cutoff_xid))) > { Would this be clearer as a ternary expression? That is, if ((tuple->t_infomask & HEAP_XMAX_IS_MULTI) ? (MultiXactIdIsValid(xid) && MultiXactIdPrecedes(xid, cutoff_multi)): (TransactionIdIsNormal(xid) && TransactionIdPrecedes(xid, cutoff_xid))) regards, tom lane
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