Uses of Interface
org.apache.solr.analytics.function.ReductionFunction

Packages that use ReductionFunction

Package	Description
org.apache.solr.analytics.function.reduction	Reduction functions to use for analytics expressions.

Uses of ReductionFunction in org.apache.solr.analytics.function.reduction

Classes in org.apache.solr.analytics.function.reduction that implement ReductionFunction

Modifier and Type	Class	Description
class	CountFunction	A reduction function which either counts the number of values that the parameter expression contains, or the number of documents returned if no parameter is given.
class	DocCountFunction	A reduction function which either counts the number of Solr Documents for which the parameter expression exists, or the number of documents returned if no parameter is given.
class	MeanFunction	A reduction function which returns the mean of the values of the given expression.
class	MissingFunction	A reduction function which returns the number of documents for which the given expression does not exist.
class	SumFunction	A reduction function which returns the sum of the values of the given expression.
class	UniqueFunction	A reduction function which returns the number of unique values of the given expression.