Hi Pedro,
On Fri, Nov 15, 2013 at 10:29 AM, Pedro Narciso García Revington
wrote:
> Hi,
>
> I want to sum decimals with the builtin _sum function.
> My documents look like
> {
> "_id": "7a2c5e50dfeb1341d02aa27c7a05f629",
> "_rev": "4-482ff2f6b6e5c2aa079e3e4114d02093",
> "type": "payment",
> "amount": "0.2"
> }
> I store the numbers as strings because I read this the proper way for
> decimals.
I would echo Stefan's suggestion in this case since you're dealing
with adding "money" numbers. Otherwise, you have to deal with normal
numerical rounding issues when performing operations on floats.
>
> If I try to sum them with the builtin _sum I get the following error
> "builtin _sum function requires map values to be numbers"
>
> I removed the quotes from the numbers. Now I can sum them but 0.2 + 0.1
> equals to 2.99999999
Was this a typo? Did you mean 0.2999999 ?
Cheers,
Mike