AW: AW: AW: AW: AW: [HACKERS] relation ### modified while in use

2000-10-24 Thread Zeugswetter Andreas SB
> Zeugswetter Andreas SB <[EMAIL PROTECTED]> writes: > > Yes, and holding a row exclusive lock must imho at least > grab a shared > > table lock > > As indeed it does. Our disagreement seems to be just on the point of > whether it's safe to allow a read-only transaction to release its > Acces

Re: AW: AW: AW: AW: [HACKERS] relation ### modified while in use

2000-10-23 Thread Tom Lane
Zeugswetter Andreas SB <[EMAIL PROTECTED]> writes: > Yes, and holding a row exclusive lock must imho at least grab a shared > table lock As indeed it does. Our disagreement seems to be just on the point of whether it's safe to allow a read-only transaction to release its AccessShareLock locks p

AW: AW: AW: AW: [HACKERS] relation ### modified while in use

2000-10-23 Thread Zeugswetter Andreas SB
> > You were talking about the "select only" case (and no for update eighter). > > I think that select statements need a shared lock for the duration of their > > execution only. > > You seem to think that locks on individual tuples conflict with > table-wide locks. Yes, very much so. Any oth