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HHH-15627 fix uninformative error message

This commit is contained in:
Gavin King 2022-10-29 00:28:33 +02:00
parent ed65962fb3
commit 749e5e6b38
1 changed files with 12 additions and 10 deletions
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18
hibernate-core/src/main/java/org/hibernate/cfg/BinderHelper.java
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@ -139,7 +139,7 @@ public class BinderHelper {
* to need the value when it writes the association.)
* <p>
* Complicating this hugely is the fact that an association might
* be based on a composite key with multiple {@code @JoinColumns},
* be based on a composite key with multiple {@code @JoinColumn}s,
* and so the referenced columns might even be spread out over
* multiple fields or properties of the target entity. There's
* even some extra minor complications resulting from multi-table
@ -440,13 +440,15 @@ public class BinderHelper {
// specified by the @JoinColumn annotations.
final List<Column> orderedColumns = new ArrayList<>( columns.length );
final Map<Column, Set<Property>> columnsToProperty = new HashMap<>();
final InFlightMetadataCollector collector = context.getMetadataCollector();
for ( AnnotatedJoinColumn joinColumn : columns ) {
Column column = new Column(
context.getMetadataCollector().getPhysicalColumnName(
referencedTable,
joinColumn.getReferencedColumn()
)
);
final String referencedColumn = joinColumn.getReferencedColumn();
if ( isEmptyOrNullAnnotationValue( referencedColumn ) ) {
throw new AnnotationException("Association " + associationMessage( associatedEntity, joinColumn )
+ " has a '@JoinColumn' which does not specify the 'referencedColumnName'"
+ " (when an association has multiple '@JoinColumn's, they must each specify their 'referencedColumnName')");
}
final Column column = new Column( collector.getPhysicalColumnName( referencedTable, referencedColumn ) );
orderedColumns.add( column );
columnsToProperty.put( column, new HashSet<>() );
}
@ -464,7 +466,7 @@ public class BinderHelper {
}
else {
// special case for entities with multiple @Id properties
Component key = persistentClass.getIdentifierMapper();
final Component key = persistentClass.getIdentifierMapper();
for ( Property p : key.getProperties() ) {
matchColumnsByProperty( p, columnsToProperty );
}