我正在使用JSF 2.0,Primefaces 3.4,Oracle,NetBeans 7.2.1,我收到以下错误:
ADVERTENCIA: Local Exception Stack:
Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.2.v20111125-r10461): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: java.sql.SQLSyntaxErrorException: ORA-00936: missing expression
Error Code: 936
Call: SELECT t1.OPT_ID, t1.OPT_ANT_FM_DET FROM SAE_PACIENTE t0, SAE_OPTOMETRIA t1 WHERE ((((t0.P_ID = ) AND (t0.P_IDENTIFICACION = ?)) AND (t0.P_TIPO_IDENTIFICACION = ?)) AND (t0.P_ID = t1.OPT_P_ID))
我有两个豆SaeOptometria和SaePaciente;在SaeOPtometria中我有这个属性是与SaePaciente bean的关系:
@JoinColumn(name = "OPT_P_ID", referencedColumnName = "P_ID")
@ManyToOne
private SaePaciente optPId;
还有以下命名查询:
@NamedQuery(name = "SaeOptometria.findByPaciente", query = "SELECT s FROM SaeOptometria s INNER JOIN s.optPId d WHERE d.pId=s.optPId AND d.pIdentificacion = :pIdentificacion AND d.pTipoIdentificacion = :pTIdentificacion"),
我在SaeOptometriaFacade文件中传递参数:pIdentificacion和:pTIdentificacion,代码如下:
public List<SaeOptometria> consultaporIdYTI(String UIpIdentificacion, String UIpTipoIdentificacion){
Query query= em.createNamedQuery("SaeOptometria.findByPaciente");
query.setParameter("pIdentificacion", UIpIdentificacion);
query.setParameter("pTIdentificacion", UIpTipoIdentificacion);
List<SaeOptometria> SaeOptometriaList= query.getResultList();
return SaeOptometriaList;
}
我澄清了NamedQuery中的参数pIdentificacion和pTipoIdentificacion属于SaePaciente bean:
@Id
@SequenceGenerator(name="SEQ1",sequenceName = "SAE_AINCR_PACIENTE",allocationSize=1)
@GeneratedValue(strategy=GenerationType.IDENTITY, generator="SEQ1")
@Basic(optional = false)
@NotNull
@Column(name = "P_ID")
private Integer pId;
@Size(max = 15)
@Column(name = "P_IDENTIFICACION")
private String pIdentificacion;
@Size(max = 20)
@Column(name = "P_TIPO_IDENTIFICACION")
private String pTipoIdentificacion;
为什么不起作用?
感谢。
答案 0 :(得分:2)
您的查询似乎有误:
SELECT s FROM SaeOptometria s INNER JOIN s.optPId d WHERE d.pId=s.optPId AND d.pIdentificacion = :pIdentificacion AND d.pTipoIdentificacion = :pTIdentificacion
来自SaeOptometria的INNER JOIN TO_WHAT
在您发表评论后,我认为我的第一个理解是错误的。 您既可以加入FROM子句,也可以加入from WHERE子句。尽量只做其中一个。
您可以尝试关注查询并报告结果:
第一个:JPA提供加入。没有明确提供ID。此信息应在JPA映射中提供
SELECT s FROM SaeOptometria s INNER JOIN s.optPId d WHERE d.pIdentificacion = :pIdentificacion AND d.pTipoIdentificacion = :pTIdentificacion
第二个:你明确加入。我们明确地给表和连接提供ID值。
SELECT s FROM SaeOptometria s WHERE s.optPId.pId=s.optPId and s.optPId.pIdentificacion = :pIdentificacion AND s.optPId.pTipoIdentificacion = :pTIdentificacion