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Why is my field returning null in Java?
There’s two common reasons your field or fields are resolving to null: 1) returning data in the wrong shape inside your resolver; and 2) not using Promises correctly. Note: if you’re seeing the following error: the underlying issue is that your field is returning null. You can still follow the steps outlined below to try to resolve this error.
Can a null be a string in JSON?
“null” is a string, thus it’s valid (because you allow strings). This would not be allowed by your schema, which works as you expect: { stats: null } The answer from Ashish Patil is wrong: in your schema (not your data), when you are specifying the type, the type name is a string.
When do you use null in a string?
You’re using some type of heap initialization on startup and null is a possible string value passed back upon failure to allocate space for a string. Rationale: null in this case is actually used to indicate two different types of values. The first may be a default value which the user of your interface may want to set.
Can a JSON field be validated as null?
Want the below json to be validated as false, as the field stats as value as null. Though i gave “not”: {“type”: “null”}, it still validated successfully. Wow. So much confusion here. “null” is a string, thus it’s valid (because you allow strings). This would not be allowed by your schema, which works as you expect:
Why does actionresult always come back null in ASP.NET?
ASP.NET – ActionResult parameter is coming back null always when passing string – why? I am barely starting out with my first project on the ASP.NET MVC project type and I am creating a Details page where instead of passing the templated (int id), I would like to pass a string instead.
Is there a way to return a null value?
This returns DISTINCT values but it also returns NULL VALUES. Try this. “IS NOT NULL” and “IS NULL” does not work with blank values.
Why does the post field return an object?
The post field has the type Post, so our resolver should return an object with properties like id, title and body. If this is what our API returns, we’re all set. However, it’s common for the response to actually be an object which contains additional metadata. So the object we actually get back from the endpoint might look something like this: