add：SmallInteger()

docs/api/fields/model-fields.md

@@ -347,6 +347,34 @@ Accepts required and optional parameters that each column type accepts.
 
 `sqlalchemy Column`: initialized column with proper options
 
+<a name="fields.model_fields.SmallInteger"></a>
+## SmallInteger Objects
+
+```python
+class SmallInteger(Integer,  int)
+```
+
+SmallInteger field factory that construct Field classes and populated their values.
+
+<a name="fields.model_fields.SmallInteger.get_column_type"></a>
+#### get\_column\_type
+
+```python
+ | @classmethod
+ | get_column_type(cls, **kwargs: Any) -> Any
+```
+
+Return proper type of db column for given field type.
+Accepts required and optional parameters that each column type accepts.
+
+**Arguments**:
+
+- `kwargs` (`Any`): key, value pairs of sqlalchemy options
+
+**Returns**:
+
+`sqlalchemy Column`: initialized column with proper options
+
 <a name="fields.model_fields.Decimal"></a>
 ## Decimal Objects
 

docs/fields/field-types.md

@@ -69,6 +69,19 @@ Each of the `Fields` has assigned both `sqlalchemy` column class and python type
 !!!tip
     For explanation of other parameters check [pydantic][pydantic] documentation.
 
+### SmallInteger
+
+`SmallInteger(minimum: int = None,
+        maximum: int = None,
+        multiple_of: int = None)` has no required parameters.  
+
+* Sqlalchemy column: `sqlalchemy.SmallInteger`  
+* Type (used for pydantic): `int` 
+
+!!!tip
+    For explanation of other parameters check [pydantic][pydantic] documentation.
+
+
 ### Float
 
 `Float(minimum: float = None,

docs/index.md

@@ -636,6 +636,7 @@ Available Model Fields (with required args - optional ones in docs):
 * `DateTime()`
 * `JSON()`
 * `BigInteger()`
+* `SmallInteger()`
 * `Decimal(scale, precision)`
 * `UUID()`
 * `LargeBinary(max_length)`