2021年2月4日(木) 23:45 Tom Lane :
>
> Amit Langote writes:
> > On Thu, Feb 4, 2021 at 4:24 PM Kohei KaiGai wrote:
> >> I think that MaxHeapAttributeNumber is a senseless restriction for foreign-
> >> tables. How about your opinions?
>
> > My first reaction to this was a suspicion that the
> > MaxHeap
On Thu, Feb 4, 2021 at 11:45 PM Tom Lane wrote:
> Amit Langote writes:
> > On Thu, Feb 4, 2021 at 4:24 PM Kohei KaiGai wrote:
> >> I think that MaxHeapAttributeNumber is a senseless restriction for foreign-
> >> tables. How about your opinions?
>
> > My first reaction to this was a suspicion tha
Amit Langote writes:
> On Thu, Feb 4, 2021 at 4:24 PM Kohei KaiGai wrote:
>> I think that MaxHeapAttributeNumber is a senseless restriction for foreign-
>> tables. How about your opinions?
> My first reaction to this was a suspicion that the
> MaxHeapAttributeNumber limit would be too ingrained
Hello,
On Thu, Feb 4, 2021 at 4:24 PM Kohei KaiGai wrote:
> I noticed that CheckAttributeNamesTypes() prevents to create a table that has
> more than MaxHeapAttributeNumber (1600) columns, for foreign-table also.
> IIUC, this magic number comes from length of the null-bitmap can be covered
> with
Hello,
I noticed that CheckAttributeNamesTypes() prevents to create a table that has
more than MaxHeapAttributeNumber (1600) columns, for foreign-table also.
IIUC, this magic number comes from length of the null-bitmap can be covered
with t_hoff in HeapTupleHeaderData.
For heap-tables, it seems to