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相關的我有一個叫做局部性作爲一個實體: -Hibernate的HQL查詢得到從表中的數據與另一個表
@Entity
@Table(name = "CMN_LOCALITY_MASTER")
public class Locality {
@Id
@Column(name = "LOCALITY_ID", unique = true, nullable = false,length = 11)
@GeneratedValue(strategy = GenerationType.IDENTITY)
int localityId;
@Column(name = "LOCALITY_DESCRIPTION",length=70)
String localityDescription;
@JsonProperty(access = Access.WRITE_ONLY)
@ManyToOne
@JoinColumn(name = "PINCODE_ID")
Pincode pinCode;
@JsonIgnore
@ManyToOne
City city;
}
其中包含另一個實體,稱爲城市和郵遞區號。
市是如下: -
@Entity
@Table(name = "CMN_CITY_MASTER")
public class City{
@Id
@Column(name = "CITY_ID", unique = true, nullable = false,length = 11)
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int cityId;
@Column(name = "CITY",length = 150)
private String description;
@JsonIgnore
@ManyToOne
@JoinColumn(name = "STATE_ID")
private State state;
}
欲獲得從局部性實體/表,其具有市ID =(例如1)
我試圖下面查詢相關的所有數據: -
@Query("SELECT a FROM Locality a INNER JOIN a.city c WHERE c.cityId=?1")
List<Locality>getAllLocalityByCity(int cityId);
也
@Query("SELECT a FROM Locality a WHERE a.city.cityId=?1")
List<Locality>getAllLocalityByCity(int cityId);
但這些不起作用。
您能否建議我以某種方式查詢數據?
此外,是否有一個Eclipse插件/工具以比查詢中的每次更改重新啓動服務器更快的方式測試HQL查詢?
你還可以建議閱讀文件/書籍學習HQL嗎?
是的,這工作。實際上,架構中的列名稱中存在錯誤。因此查詢不起作用。我檢查了日誌並更正了它。非常感謝.. :) – aniltilanthe