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Re: [eclipselink-users] Foreign key as String
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Hello Thierry,
This might seem like a silly question, but is getIdLog also annotated
with @Id? The fk field "ID_LOG" will reference the field marked as the
ID in the X class, which will be a string if it references a string
etc. If its not the case, please post the two classes involved.
Best Regards,
Chris
On 16/08/2010 3:30 AM, Thierry Peng wrote:
Hi
Is there a way to use a String (varchar column) as a foreign key for a
mantytoone relation in eclipselink? I'm running always in a
java.lang.NumberFormatException: For input string: "1-1-1"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:456)
at java.lang.Integer.<init>(Integer.java:620)
at
org.eclipse.persistence.internal.helper.ConversionManager.convertObjectToInteger(ConversionManager.java:521)
at
org.eclipse.persistence.internal.helper.ConversionManager.convertObject(ConversionManager.java:113)
with the following annotations:
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "ID_LOG", nullable = false)
public X getX()
and
@Column(name = "ID_LOG", unique = true, nullable = false, length = 10)
public String getIdLog()
greetings
thierry
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