@ExportPackage

Package com.yahoo.search.querytransform

Vespa search platform query transformation infrastructure. Not a public API.

Interface Summary

Interface	Description
LowercasingConfig.Producer

Class Summary

Class	Description
AllLowercasingSearcher	Transform all terms in the incoming query tree and highlight terms to lower case.
BooleanSearcher	Searcher that builds a PredicateItem from the &boolean properties and inserts it into a query.
BooleanSearcher.PredicateValueAttributeParser
DefaultPositionSearcher	If default position has not been set, it will be set here.
LowercasingConfig	This class represents the root node of lowercasing Copyright Yahoo.
LowercasingConfig.Builder
LowercasingSearcher	Traverse a query tree and lowercase terms based on decision made in subclasses.
NGramSearcher	Handles NGram indexes by splitting query terms to them into grams and combining summary field values from such fields into the original text.
QueryTreeUtil	Deprecated. use QueryTree.and instead // TODO: Remove on Vespa 8
RangeQueryOptimizer	Finds and optimizes ranges in queries: For single value attributes c1 $lt; x AND x > c2 becomes x IN <c1; c2>.
SortingDegrader	If the query is eligible, specify that the query should degrade if it causes too many hits to avoid excessively expensive queries.
VespaLowercasingSearcher	Transform terms in query tree to lower case based on Vespa index settings.
WandSearcher	Searcher that will create a Vespa WAND item from a list of tokens with weights.
WeakAndReplacementSearcher	Recursively replaces all instances of OrItems with WeakAndItems if the query property weakand.replace is true.