# Column

> **Class** in `langchain_postgres`

📖 [View in docs](https://reference.langchain.com/python/langchain-postgres/v2/engine/Column)

## Signature

```python
Column(
    self,
    name: str,
    data_type: str,
    nullable: bool = True,
)
```

## Constructors

```python
__init__(
    self,
    name: str,
    data_type: str,
    nullable: bool = True,
) -> None
```

| Name | Type |
|------|------|
| `name` | `str` |
| `data_type` | `str` |
| `nullable` | `bool` |


## Properties

- `name`
- `data_type`
- `nullable`

---

[View source on GitHub](https://github.com/langchain-ai/langchain-postgres/blob/9d819182da7e3fb1b815e6c9a6b7c2cd1eb4bc0e/langchain_postgres/v2/engine.py#L23)