Affects Version/s: None
Fix Version/s: 8.0
In Solr 7 we can't index boost as it's gone from Lucene. The JSON support for this syntax is still allowed but logs a warning and doesn't apply the boost (as it's not supported). I'm proposing we remove support for this altogether. This also means removing an little-known way to specify an "extended field value" that doesn't necessarily have a boost.
With boost: Today logs a warning. Don't want this to work at all.
Without boost: Today works. Don't want this to work at all, as it complicates support for labelled child documents –
Internally this is parsed by
I think we need make no reference to the notion of an "extended field value". Either we have a "partial update", or we have a "child document"; nothing else.
Note: partial updates look similar and have exactly one field-value using a limited set of verbs like "set":