CQL::TermNode - represents a terminal Node in a CQL Parse Tree
CQL::TermNode represents a terminal in a CQL parse tree. A term node consists of
the string itself with optional qualifier string and relation. Examples could
The constructor which has must have at least a term attribute, and can also
include optional qualifier and modifier terms.
Get the qualifier in the terminal.
Get the relation in the terminal.
Get the actual term string in the terminal.
Returns a CQL representation of the terminal node.