Re: [HACKERS] Priorities for 6.6

> Implementation seems easy:
> 
> struct varlena
> {
>     int32       vl_len;
>     char        vl_dat[1];
> };
> 
> 1. make vl_len uint32;
> 2. use vl_len & 0x80000000 as flag that underlying data is
>    in another place;
> 3. put oid of external "relation" (where data is stored),
>    blocknumber and item position (something else?) to vl_dat.
> ...

Yes, it would be very nice to have this.

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