[英]How to convert SQL to a JPQL query?
我有這個SQL查詢返回計數
頭等艙:
public class Niveau2 implements Serializable{
@Id
@GeneratedValue
private int id2emeniveau;
private int ok;
private int next;
private Date date;
@ManyToOne
@JoinColumn(name = "idzebra")
private Zebra zebra;
第二類:
public class Zebra implements Serializable {
@Id
@GeneratedValue
private Integer idzebra;
private String type;
private int resolution;
private int reseau;
private String adresseip;
private String snum;
private Date dateaqui;
private Integer affectter;
private int etat;
private String poste, ligne, zone, pole;
@OneToMany(mappedBy = "zebra")
private List<Niveau2> niveau2;
SQL:
SELECT COUNT(ok) FROM mydb.2emeniveau
INNER JOIN mydb.zebra ON zebra.idzebra=2emeniveau.idzebra
WHERE 2emeniveau.ok='0' AND zebra.pole='ADT'"
我想將其轉換為jpql
嘗試這個:
SELECT COUNT(nv2) FROM Niveau2 nv2
JOIN nv2.zebras zebras
WHERE nv2.ok = '0' AND zebras.pole = 'ADT'
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