Thanks for everyone, pushed with some editorization
Teodor Sigaev wrote:
>> I think, it should support from/to numeric/bool/text only. If we want to have
>> casts to from numeric to other numeric types then it should be full set (int2,
>> int4, int8, float4, float8).
>
> I was too optimistic about casting to/from text. It already exists and it works
> by differ way from suggested casts:
>
> 1) select '"foo"'::jsonb::text; -> "foo" // with ""
> 2) select '123'::jsonb::text; -> 123
> 3) select '123'::jsonb::int4; -> 123
>
> Seems, sometime it would be desirable result in 1) as just
> 'foo' without "" decoration, but we cannot have 2 different explicit casts for
> the same types. So, I withdraw objections about text casting, but I still
> believe that we need one of two variants:
> 1) numeric/bool
> 2) bool, numeric/all variants of numeric types
>
>
--
Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/