The following page says:
http://lucene.apache.org/core/6_6_0/core/org/apache/lucene/document/Field.html#setBoost-float-
setBoost
@Deprecated
public void setBoost(float boost)
Deprecated. Index-time boosts are deprecated, please index index-time
scoring factors into a doc value field and combine them with the score
at query time using eg. FunctionScoreQuery.
Sets the boost factor on this field.
Throws:
IllegalArgumentException - if this field is not indexed, or if it omits
norms.
See Also:
boost()
Any example on how to use FunctionScoreQuery? How will this affect the
IndexWriter?
Best regards
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