- Leaf query clause: an equivalent of where clause in Sql statement for a particular field value
query_stringis using Lucene syntax:id:1- Compound query clause: an equivalent of
and,or,not, and etc. operators in sql statement boolrepresents boolean combinations of other queries, e.g.:mustandfiltermustrepresents a condition that must be matched and will be used for computing score or relevancy of the search resultfilteract as amustcondition, but will not contribute to the computation of score or relevancy of document found- Additional options for bool are: should and must_not