public IEnumerable <ColumnDefinition> GetColumnsForComparison()
{
// TODO in case of integer primary keys:
// If RdbmsProvider or one of its derived classes needs to support integer primary keys in addition to GUIDs,
// two lookup columns should be used: ID and ClassID (because int IDs wouldn't be globally unique).
// For GUID keys, we don't want to include the ClassID, however.
return(_valueProperty.GetColumnsForComparison());
}
private ColumnDefinition GetSingleColumnForLookup(IRdbmsStoragePropertyDefinition storagePropertyDefinition)
{
var columns = storagePropertyDefinition.GetColumnsForComparison().ToList();
if (columns.Count > 1)
{
throw new NotSupportedException("Compound-column IDs are not supported by this LINQ provider.");
}
return(columns.Single());
}
public IEnumerable <ColumnDefinition> GetColumnsForComparison()
{
return(_valueProperty.GetColumnsForComparison());
}
public IEnumerable <ColumnDefinition> GetColumnsForComparison()
{
return(_serializedIDProperty.GetColumnsForComparison());
}