Set null

Question

Question

Sabit Issakhan · Nov 26, 2020

Hello!

How to set null in variable?

I need to create JSON like below:

{

"id":"1",

"Code": null

}

Discussion (3)0

Log in or sign up to continue

Vitaliy Serdtsev · Nov 26, 2020

    set t={"id":"1","Code": 2}
    write t.%ToJSON(),!

    do t.%Set("Code","","null")
    write t.%ToJSON()

0 0

score 0 · Answer 1 · 2020-11-26T08:12:04-05:00

Sabit Issakhan · Nov 26, 2020

Thanks, it works

0 0

score 2 · Answer 2 · 2020-11-26T08:48:37-05:00

Set Property Parameter %JSONNULL = 1

  Property Code As %String(%JSONNULL = 1);

Code = ""  >>> "Code":null
Code =$c(0)  >>> "Code":""