class ConceptQL::Operators::Filter
Public Instance Methods
query(db)
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# File lib/conceptql/operators/filter.rb, line 11 def query(db) rhs = right.evaluate(db) rhs = rhs.from_self.select_group(:person_id, :criterion_id, :criterion_domain) query = db.from(Sequel.as(left.evaluate(db), :l)) query = query .left_join(Sequel.as(rhs, :r), l__person_id: :r__person_id, l__criterion_id: :r__criterion_id, l__criterion_domain: :r__criterion_domain) .exclude(r__criterion_id: nil) .select_all(:l) db.from(query) end