---
title: PrimaryKeyConstraint
---

# PrimaryKeyConstraint

<a href="https://github.com/remix-run/remix/blob/remix@3.0.0-alpha.6/packages/data-table/src/lib/adapter.ts#L248" target="_blank">View Source</a>

## Summary

Primary key constraint definition.

## Signature

```ts
type PrimaryKeyConstraint = {
  columns: string[];
  name: string;
};

```