使用spring数据和querydsl查询集合

Question

@Entity
public class Sample {
  // id and other stuff
  private boolean deleted;
  private Set<Occurrence> occurrences;
  // Constructors, getter and setter
}

@Entity
public class Occurrence {
  // id and other stuff
  private boolean deleted;
  private Classification classification;
  // Constructors, getter and setter
}

@Entity
public class Classification {
   private int id;
   // other stuff
}

JPASubQuery occurrenceSubQuery = new JPASubQuery();
QOccurrence qOccurrence = QOccurrence.occurrence;
occurrenceSubQuery.from().where(
       qOccurrence.in(qSample.occurrences),
       qOccurrence.deleted.isFalse(),
       qOccurrence.classification.id
         .eq(queryId));

丹尼尔

Answer 1

您可以使用

com.mysema.query.support.expressions.allof(...)

或