如何创建（可能）嵌套查询？

Question

我有3个实体患者ID，具有ID，职业和PatientDeclaration与patient_id（fk）和workers_id（fk）的工人。当我拥有patient_id和职业时，我想从PatientDeclaration获取workers_id。类似的东西，

'SELECT c FROM SurgeryPatientBundle:PatientDeclaration c WHERE c.patient = ?1 AND c.patient =(SELECT w FROM SurgeryWorkersBundle:Workers WHERE p.profession = ?2)' 

我suposse，我创建嵌套查询？ 编辑 解决我提出不同势查询

SELECT w.id FROM SurgeryWorkersBundle:Workers w JOIN w.patientdeclaration p WHERE w.profession = ?1 AND p.patient = ?2 

Answer 1

您可以使用子查询

SELECT 
    c 
FROM 
    SurgeryPatientBundle:PatientDeclaration c 
JOIN 
    c.patient p 
WHERE 
    p = ?1 
    AND 
    p.id IN (SELECT w.id FROM SurgeryWorkersBundle:Workers WHERE p.profession = ?2)