Untitled :: Spring Docs

Using Functions

Solr supports several functional expressions within queries. Followig functions are supported out of the box. Custom functions can be added by implementing Function

Table 1. Functions
Class	Solr Function
`CurrencyFunction`	`currency(field_name,[CODE])`
`DefaultValueFunction`	`def(field\|function,defaultValue)`
`DistanceFunction`	`dist(power, pointA, pointB)`
`DivideFunction`	`div(x,y)`
`ExistsFunction`	`exists(field\|function)`
`GeoDistanceFunction`	`geodist(sfield, latitude, longitude)`
`GeoHashFunction`	`geohash(latitude, longitude)`
`IfFunction`	`if(value\|field\|function,trueValue,falseValue)`
`MaxFunction`	`max(field\|function,value)`
`NotFunction`	`not(field\|function)`
`ProductFunction`	`product(x,y,…)`
`QueryFunction`	`query(x)`
`TermFrequencyFunction`	`termfreq(field,term)`

SimpleQuery query = new SimpleQuery(new SimpleStringCriteria("text:ipod"));
query.addFilterQuery(new FilterQuery(Criteria.where(QueryFunction.query("name:sol*"))));