eDismax: Allow virtual fields
-----------------------------
Key: SOLR-3045
URL: https://issues.apache.org/jira/browse/SOLR-3045
Project: Solr
Issue Type: New Feature
Components: search
Reporter: Jan Høydahl
Imagine a one-field yellow page search using eDisMax across fields
{noformat}
qf=firstname middlename lastname companyname category^10.0 subcategory products
address street zip city^5.0 state
{noformat}
Now this of course works well. But what if I want to offer my users fielded
search on "who", "what" and "where".
A way to do this now is copyField into three new fields with these names. But
then you lose the internal weight between the sub fields.
A more elegant way would be allowing virtual field names mapping to multiple
fields. Imagine uf extended further:
{noformat}
&uf=who:firstname,middlename,lastname^2.0,companyname
what:category,subcategory,products where:address,street,zip,city^10.0,state
{noformat}
This could probably be solved by adding each as a dismax sub-Query
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