CQL::Relation - object for CQL Relations
CQL::Relation represents the common CQL relation operations ( =, >, <,
any, all and exact. In addition modifiers may be applied (stem, relevant,
fuzzy, phonetic). The operators are passed into the constructor as the base
Creates a new CQL::Relation object with the specified base relation.
Returns the base relation with which the CQL::Relation object was originally
Adds a new relation modifier to the specified CQLRelation. Typical relation
modifiers include relevant, fuzzy stem and phonetic. On the whole, these
modifiers have a meaningful interpretation only for the text relations.
Returns a list of modifiers associated with a CQL relation.