public Column(PropertyInfo prop, CreateFlags createFlags = CreateFlags.None)
{
var colAttr = (ColumnAttribute)prop.GetCustomAttributes(typeof(ColumnAttribute), true).FirstOrDefault();
_prop = prop;
Name = colAttr == null ? prop.Name : colAttr.Name;
//If this type is Nullable<T> then Nullable.GetUnderlyingType returns the T, otherwise it returns null, so get the actual type instead
ColumnType = Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType;
Collation = Orm.Collation(prop);
IsPK = Orm.IsPK(prop) ||
(((createFlags & CreateFlags.ImplicitPK) == CreateFlags.ImplicitPK) &&
string.Compare(prop.Name, Orm.ImplicitPkName, StringComparison.OrdinalIgnoreCase) == 0);
IsCK = Orm.IsCK(prop);
IsFK = Orm.IsFK(prop);
if (IsFK)
{
ForeignKeyAttribute attr = prop.GetCustomAttribute <ForeignKeyAttribute>(true);
TableMapping refTable = new TableMapping(attr.ReferenceTable);
string refColumnName = attr.ReferenceColumn ?? this.Name;
var refColumns = refTable.Columns.Select(c => c).Where(c => c.Name == refColumnName).ToArray();
if (refColumns.Length > 0)
{
FK = new ForeignKey(this, attr.ReferenceTable, refColumns[0]);
}
else
{
throw new Exception(string.Format("The referenced column \"{0}\" in {1} doesn't exist", refColumnName, this.Name));
}
}
var isAuto = Orm.IsAutoInc(prop) || (IsPK && ((createFlags & CreateFlags.AutoIncPK) == CreateFlags.AutoIncPK));
IsAutoGuid = isAuto && ColumnType == typeof(Guid);
IsAutoInc = isAuto && !IsAutoGuid;
Indices = Orm.GetIndices(prop);
if (!Indices.Any() &&
!IsPK &&
((createFlags & CreateFlags.ImplicitIndex) == CreateFlags.ImplicitIndex) &&
Name.EndsWith(Orm.ImplicitIndexSuffix, StringComparison.OrdinalIgnoreCase)
)
{
Indices = new IndexedAttribute[] { new IndexedAttribute() };
}
IsNullable = !(IsPK || Orm.IsMarkedNotNull(prop));
MaxStringLength = Orm.MaxStringLength(prop);
StoreAsText = prop.PropertyType.GetTypeInfo().GetCustomAttribute(typeof(StoreAsTextAttribute), false) != null;
}