Tom Lane wrote: > Alvaro Herrera <[EMAIL PROTECTED]> writes: > > I confess being attracted to Martijn's idea of looping until the correct > > answer is obtained. I don't think it's even too difficult to implement. > > But I wonder if there's some hidden pitfall. > > I've been looking at that and I think it can work. The key point is > that GetNewMultiXactId() does guarantee that space has been allocated > for the new mxact's offset before it releases the lock (else we'd risk > trying to read a nonexistent slru page when we fetch the offset in > GetMultiXactIdMembers).
The remaining question for me is, how do we sleep until the correct offset has been stored? -- Alvaro Herrera http://www.advogato.org/person/alvherre "Nunca se desea ardientemente lo que solo se desea por razón" (F. Alexandre) ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
