On Sat, Dec 14, 2024 at 12:02 PM Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Jan Behrens <jbe-mlist@xxxxxxxxxxxxx> writes:
> Is it allowed to use the following function, assuming the data type is
> TOASTable?
> PG_FUNCTION_INFO_V1(mytype_pos);
> Datum mytype_pos(PG_FUNCTION_ARGS) {
> PG_RETURN_DATUM(GETARG_DATUM(0));
> }
Absolutely. You can find things equivalent to that in the
core code, I think.
(I'm not a developer, so this is a curiosity question, not a challenge.)
Since the purpose of TOAST is just (I think) to store "large field values" on disk by dividing into multiple chunks, what would be the purpose of returning the TOASTed value to Jan's function?
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