Обсуждение: Get CTID from within an OUTPUT/SEND function

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Get CTID from within an OUTPUT/SEND function

От
Garfield Lewis
Дата:

I would like to know if it is possible to get the CTID from within the OUTPUT and SEND functions of a CREATE TYPE? I’ve found a function called currtid_byrelname and the comment in the function prolog says it is to get a CTID but I cannot find any example usage of it.

 

Regards,

Garfield

Re: Get CTID from within an OUTPUT/SEND function

От
Tom Lane
Дата:
Garfield Lewis <garfield.lewis@lzlabs.com> writes:
> I would like to know if it is possible to get the CTID from within
> the OUTPUT and SEND functions of a CREATE TYPE?

No.  A datatype output function has no reason to expect that the value
it's handed has ever been in a table at all.

            regards, tom lane

Re: [EXT] Re: Get CTID from within an OUTPUT/SEND function

От
Garfield Lewis
Дата:

Garfield Lewis <garfield.lewis@lzlabs.com> writes:
> > I would like to know if it is possible to get the CTID from within
> > the OUTPUT and SEND functions of a CREATE TYPE?
>
> No.  A datatype output function has no reason to expect that the value
> it's handed has ever been in a table at all.
>
>                      regards, tom lane

 

Thx, Tom

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