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HHH-18515 Unrecognized discriminator value exception when running native query on entity with discriminator column

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Andrea Boriero 2024-09-17 15:32:09 +02:00 committed by Andrea Boriero
parent fbb1dd0c00
commit 052552f3f6
1 changed files with 19 additions and 0 deletions
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19
hibernate-core/src/main/java/org/hibernate/metamodel/mapping/MappedDiscriminatorConverter.java
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@ -11,7 +11,9 @@ import org.hibernate.metamodel.mapping.internal.DiscriminatorValueDetailsImpl;
import org.hibernate.metamodel.model.domain.NavigableRole;
import org.hibernate.metamodel.spi.MappingMetamodelImplementor;
import org.hibernate.type.BasicType;
import org.hibernate.type.descriptor.java.CharacterJavaType;
import org.hibernate.type.descriptor.java.JavaType;
import org.hibernate.type.descriptor.java.StringJavaType;
import java.util.List;
import java.util.Map;
@ -111,6 +113,23 @@ public class MappedDiscriminatorConverter<O,R> extends DiscriminatorConverter<O,
return notNullMatch;
}
if ( value.getClass().isEnum() ) {
final Object enumValue;
if ( getRelationalJavaType() instanceof StringJavaType ) {
enumValue = ( (Enum) value ).name();
}
else if ( getRelationalJavaType() instanceof CharacterJavaType ) {
enumValue = ( (Enum) value ).name().charAt( 0 );
}
else {
enumValue = ( (Enum) value ).ordinal();
}
final DiscriminatorValueDetails enumMatch = discriminatorValueToEntityNameMap.get( enumValue );
if ( enumMatch != null ) {
return enumMatch;
}
}
throw new HibernateException( "Unrecognized discriminator value: " + value );
}