toColumnNullable method
Implementation
ColumnNullable toColumnNullable() {
switch (this) {
case 'NOT_NULL':
return ColumnNullable.notNull;
case 'NULLABLE':
return ColumnNullable.nullable;
case 'UNKNOWN':
return ColumnNullable.unknown;
}
throw Exception('$this is not known in enum ColumnNullable');
}