Alvaro Herrera wrote:
> Tom Lane escribió:
>
>> However, the interval version of the function can capture the time case
>> because there's an implicit cast from time to interval:
>>
>> regression=# select casttarget::regtype,castcontext,castfunc::regprocedure from pg_cast where castsource =
'time'::regtype;
>> casttarget | castcontext | castfunc
>> ------------------------+-------------+----------------------------------------
>> interval | i | "interval"(time without time zone)
>> time with time zone | i | timetz(time without time zone)
>> time without time zone | i | "time"(time without time zone,integer)
>> (3 rows)
>
> BTW it very much looks like we should have a pg_casts view that displays
> these things in a human-readable manner (like the above except with
> castcontext expanded)
Could we change the data types of the pg_cast table to regprocedure and
regtype instead?
