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Bug #19686
closed
BigDecimal object returns JSON string
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-darwin21]
Description
Hi,
When I call the to_json method to the BigDecimal object, it returns a JSON string.
Is this intentional?
> ruby -v -rbigdecimal -rjson -e 'p BigDecimal("1.2").to_json'
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-darwin21]
"\"0.12e1\""
> ruby -v -rjson/add/bigdecimal -e 'p BigDecimal("1.2").to_json'
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-darwin21]
"{\"json_class\":\"BigDecimal\",\"b\":\"18:0.12e1\"}"
I expect a JSON number like "0.12e1".
Updated by byroot (Jean Boussier) about 2 years ago
- Status changed from Open to Closed
I believe it's intentional as the main point of BigDecimal is to avoid float imprecision issues.
On a tangent, this issue should have been filed in JSON's bug tracker: https://github.com/flori/json/issues, But anyway, changing this would break way too much code so unlikely to happen.
Updated by byroot (Jean Boussier) about 2 years ago
Forgot to say that to fix your issue you can convert BigDecimal with to_f prior to calling to_json.
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