# ColumnIndexOptions.unique property · @imqueue/pg-sequelize

Source: https://imqueue.org/api/pg-sequelize/latest/pg-sequelize.columnindexoptions.unique/
Published: 2026-08-01
Author: @imqueue maintainers (https://github.com/imqueue)
Package: @imqueue/pg-sequelize 4.2.0 — generated reference, not hand-written

Rejects duplicate values, enforcing uniqueness through the index.

**Signature:**

```typescript
unique: boolean;
```