|  | ⇢ | 
                100%
             | Column added | 
| 100% | ↛ |  | ColumnSchemaBuilder removed | 
|  | ⇢ | 
                2
             | Column::getDefault() added | 
|  | ⇢ | 
                1
             | Schema::createColumn() added | 
| 2 | ↛ |  | ColumnSchemaBuilder::getDefault() removed | 
| 1 | ↛ |  | Schema::createColumnSchemaBuilder() removed |