# IndexOperation

# Type Alias: IndexOperation

```ts
type IndexOperation = readonly ["eq", "gt", "gte", "lt", "lte", "in", "like", "ilike"];
```

Defined in: [packages/db/src/indexes/base-index.ts:11](https://github.com/TanStack/db/blob/main/packages/db/src/indexes/base-index.ts#L11)

Operations that indexes can support, imported from available comparison functions