2015-01-16 22:35 GMT+01:00 Andrew Dunstan <and...@dunslane.net>: > > On 01/16/2015 12:22 PM, Pavel Stehule wrote: > >> >> >> There two possible transformations: >> >> row_to_array --> [[key1, value1],[key2, value2], ...] >> row_to_row_array --> [(key1, value1), (key2, value2), ... ] >> >> >> If we're going to go that route, I think it makes more sense to >> create an actual key/value type (ie: >> http://pgxn.org/dist/pair/doc/pair.html) and return an array of that. >> >> >> ok >> >> <http://BlueTreble.com> >> >> > > I think we'd possibly be better off with simply returning a flat array, > [key1, value1, ...] > > Thats's what the hstore(text[]) and json_object(text[]) functions accept, > along with the 2D variant, if we want a precedent. >
It can be one of supported variant. I should not be one, because we cannot to simply iterate over it Next possibility is teach FOREACH to take key and value in one step. Regards Pavel > > cheers > > andrew > >
