The second you copy a bunch of things into one field, it becomes very
hard to have a useful relevancy. Especially, since they are now parsed
according to that target field's analyzer chain and your original
field's chains become irrelevant.

There was somewhere an article on using payloads for boost, but it was
more a bit of a hack.

Instead, look at eDismax as you can specify the list of fields you
want to search and assign the individual boosts to them, just as you

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On 14 October 2016 at 05:48, Frederic MERCEUR
<> wrote:
> Hello,
> we use Solr to describe datasets with several metadata (title, authors,
> description, etc). We copy all these metadata in the Text field to offer a
> default search to our end-users so they can make a search on all metadata in
> one search :
> <field name="idx_title" type="text_simple" indexed="true" stored="true"
> multiValued="true" required="true"/>
> <field name="idx_abstract" type="text_general" indexed="true" stored="true"
> multiValued="true"/>
> ...
> <copyField source="idx_title" dest="text"/>
> <copyField source="idx_abstract" dest="text"/>
> ...
> We can then query the default Text field in this way :
> http://solr[...]/select?q=fish
> Is there a way to boost the Title field copied in the Text Field ? So the
> dataset that contain the word  "fish" in their title will be displayed first
> ?
> I have find some information about the boost option in Solr but I cant' find
> if it is possible to boost a field copied in the Text field ?
> Thanks,
> Fred
> --
> Fred Merceur

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