Django query to list

I have a database which has records with several fields containing some info.

To get all the data in the table matching some filter I'd do this:

records = Record.objects.filter(fieldA='a')

records, I suppose, is a QuerySet object and contains a "list" of records. Is that correct?

Now let's say I want a list of the values in one field.

If I do this:

records = Record.objects.filter(fieldA='a').only('fieldB')

I still get a queryset, but now it has some deferred fields. What I want is just a list of the values开发者_如何学Go I meant to grab aka fieldB. I also want to be able to grab the distinct values of fieldB. I suppose I could just iterate over each record, pull out fieldB, add it to a list if it's not already there, and there it is, but there's gotta be a better way.

Thanks!

EDIT: I think what I'm looking for is

Record.objects.values_list('fieldB')

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Yup, found it: values_list. Here's the reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#values-list

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I am posting the comment by James here to make it more prominent. It was certainly what I was looking for.

I wanted a list of values. Using the QuerySet method .values_list() returned a list of tuples. To get a list of values, I needed the option flat=True.

Record.objects.values_list('fieldB', flat=True)