Add isEmpty method to BoolQuery #72
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This PR introduces a new
isEmpty
method in theBoolQuery
class and adds tests. This is a convenience method that eases development when working with this package. In my experience, building a bool query can get quite complicated and sometimes ends up without any queries. This method provides an easy way to check this.I've also added a test for the entire class, which did not exist yet.
Enhancements to
BoolQuery
functionality:isEmpty
method to theBoolQuery
class to check whether the query is empty by verifying that all query components (must
,filter
,should
, andmust_not
) are empty.