# isResidualWhere

# Function: isResidualWhere()

```ts
function isResidualWhere(where): boolean;
```

Defined in: [packages/db/src/query/ir.ts:197](https://github.com/TanStack/db/blob/main/packages/db/src/query/ir.ts#L197)

Check if a Where clause is marked as residual

## Parameters

### where

[`Where`](../type-aliases/Where.md)

## Returns

`boolean`