internal DbFieldSchema(string source, string fieldDelimiter)
{
if (source.IsNullOrWhiteSpace())
{
throw new ArgumentNullException(nameof(source));
}
if (null == fieldDelimiter || fieldDelimiter.Length < 1)
{
throw new ArgumentNullException(nameof(fieldDelimiter));
}
_name = source.GetDelimitedField(0, fieldDelimiter);
_dataType = source.GetDelimitedField(1, fieldDelimiter).GetEnumOrDefault(DbDataType.Char);
_length = source.GetDelimitedField(2, fieldDelimiter).GetInt32OrDefault(255);
_notNull = source.GetDelimitedField(3, fieldDelimiter).GetBooleanOrDefault(true);
_autoincrement = source.GetDelimitedField(4, fieldDelimiter).GetBooleanOrDefault(false);
_unsigned = source.GetDelimitedField(5, fieldDelimiter).GetBooleanOrDefault(true);
_enumValues = source.GetDelimitedField(6, fieldDelimiter);
_description = source.GetDelimitedField(7, fieldDelimiter);
_indexType = source.GetDelimitedField(8, fieldDelimiter).GetEnumOrDefault(DbIndexType.None);
_indexName = source.GetDelimitedField(9, fieldDelimiter);
_onUpdateForeignKey = source.GetDelimitedField(10, fieldDelimiter).GetEnumOrDefault(DbForeignKeyActionType.Cascade);
_onDeleteForeignKey = source.GetDelimitedField(11, fieldDelimiter).GetEnumOrDefault(DbForeignKeyActionType.Restrict);
}
private static bool IsPrimaryKey(this DbIndexType indexType)
{
return(indexType == DbIndexType.ForeignPrimary || indexType == DbIndexType.Primary);
}