---
id: disabling-queries
title: Disabling/Pausing Queries
ref: docs/framework/react/guides/disabling-queries.md
replace: { 'react-query': 'preact-query', 'React': 'Preact' }
---
[//]: # 'Example2'
```tsx
function Todos() {
const [filter, setFilter] = useState('')
const { data } = useQuery({
queryKey: ['todos', filter],
queryFn: () => fetchTodos(filter),
// ⬇️ disabled as long as the filter is empty
enabled: !!filter,
})
return (
// 🚀 applying the filter will enable and execute the query
{data && }
)
}
```
[//]: # 'Example2'
[//]: # 'Example3'
```tsx
import { skipToken, useQuery } from '@tanstack/preact-query'
function Todos() {
const [filter, setFilter] = useState()
const { data } = useQuery({
queryKey: ['todos', filter],
// ⬇️ disabled as long as the filter is undefined or empty
queryFn: filter ? () => fetchTodos(filter) : skipToken,
})
return (
// 🚀 applying the filter will enable and execute the query
{data && }
)
}
```
[//]: # 'Example3'