# Lance配置与类型
#### Aura类型和Lance类型对应关系
表1Aura类型对应的Lance类型 
| Aura                        | Lance                       |
|:---|:---|
| smallint                    | int16                       |
| tinyint                     | int8                        |
| integer                     | int32                       |
| bigint                      | int64                       |
| numeric                     | Decimal128                  |
| decimal                     | Decimal128                  |
| real                        | float32                     |
| float4                      | float32                     |
| double precision            | float64                     |
| float8                      | float64                     |
| boolean                     | boolean                     |
| char                        | string                      |
| varchar                     | string                      |
| text                        | string                      |
| date                        | date                        |
| timestamp without time zone | timestamp without time zone |
| bytea                       | binary                      |
| array                       | list                        |
| struct                      | struct                      |