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POHQL Problem
 

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    <p>Hi every one I have these classe</p> <pre><code>@Entity @Table(name = "login", uniqueConstraints={@UniqueConstraint(columnNames={"username_fk"})}) public class Login implements Serializable { @Id @Column(name = "id") @GeneratedValue private int id; @Column(name = "password", length = 64) private String password; @Column(name = "roles", length = 32) private String roles; @OneToOne(fetch = FetchType.EAGER, cascade = CascadeType.ALL) @OnDelete(action=OnDeleteAction.CASCADE) @Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN) @JoinColumn(name = "username_fk", nullable=false) private Branch branch; //some getter and sette </code></pre> <p>and </p> <pre><code>@Entity @Table(name = "branch", uniqueConstraints = {@UniqueConstraint(columnNames = {"bname", "branch_fk"})}) public class Branch implements Serializable { @Id @GeneratedValue private int id; @Column(name = "username", length = 64, nullable=false) private String userName; @Column(name = "bname", length = 64) private String branchName; @Column(name = "officername", length = 64) private String officerName; @Column(name = "studcount") private int studCount; @Column(name = "blevel", columnDefinition="int default 0") private int level; @Column(name = "officeremail", length = 64) private String officerEmail; @Column(name = "confirmed", columnDefinition = "tinyint default 0") private int confirmed; @OneToOne(mappedBy = "branch", fetch = FetchType.LAZY, cascade = CascadeType.ALL) @OnDelete(action=OnDeleteAction.CASCADE) @Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN) private Login login; </code></pre> <p>when i use this Query :</p> <pre><code>executeQuery("select l from Login as l inner join l.branch as b where l.branch.bname = ?", username) </code></pre> <p>or this:</p> <pre><code>executeQuery("select b.login from Branch b where b.username = ?", username) </code></pre> <p>I have get this error:</p> <pre><code>org.hibernate.QueryException: could not resolve property: bname of: Data.Entity.Branch </code></pre> <p>but when use this code:</p> <pre><code>executeQuery("select b.login from Branch b where b.id = ?", username) it's return correct result </code></pre> <p>I means this type of HQL just work for Primary key? or my maping have problem? is there any way that I can use other field(except Primary Key) form joinable table?</p>
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