Mohsen Alimomeni <m.alimom...@gmail.com> writes:
> I want to try to add a multi calendar system for pgsql. I want to know if it
> will be accepted as a patch to pgsql?
There's probably about zero chance of accepting such a thing into core,
but maybe you could do it as an add-on (pgfoundry project).
> For implementation I think it is better to add this support in date fields
> like this:
> create table tb (dt date calendar persian);
Consider specifying the calendar as a typmod, eg
create table tb (dt cdate(persian));
since the necessary extension hooks already exist for that.
regards, tom lane
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