Exclude fields in a document summary

[bratseth]

If you have lots of summary-enabled fields and you want a summary containing most, but not all of them (e.g not vectors), you need to repeat lots of field names. It would be convenient if there was a way to define a summary by inheriting another (default) and then exclude some of them.

[baldersheim]

I am not sure that we should tempt more usage of default summary class. I think it is better to guide usage towards making the summary classes explicit. Once people want something non-default, they have to do that anyway.
And then it is better to build on your own by adding fields through inheritance, rather than exclude.

[nehajatav]

Templating language like ftl to generate schema files have helped in this area