Re: Reducing some DDL Locks to ShareLock

Simon Riggs <simon@2ndQuadrant.com> writes:
> heap_inplace_fetch takes as input "tuple" which is a palloc'd tuple,
> extracts from it the tid of the tuple, reads the buffer, locks it, then
> releases the original tuple. It then returns a copy of the on-block
> tuple. So all other code the same as before when we were working on a
> copy produced from the syscache.

> Is that roughly what you intended?

I'd suggest making it take a TID rather than presuming where the caller
is going to get the TID from.  Otherwise, +1.
        regards, tom lane