# LibTmux.Query.QueryRequirements

- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** data type
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Query.hs#L133
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-query-t-queryrequirements/

```haskell
data QueryRequirements
```

Inspectable dependencies, not a serialized query or an optimization plan.

## Instances

- instance [Eq](https://hackage.haskell.org/package/base-4.22.0.0/docs/Data-Eq.html#t:Eq) [`QueryRequirements`](/en/haskell/latest/reference/libtmux-query-t-queryrequirements/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Query.hs#L140))

- instance [Show](https://hackage.haskell.org/package/base-4.22.0.0/docs/Prelude.html#t:Show) [`QueryRequirements`](/en/haskell/latest/reference/libtmux-query-t-queryrequirements/) ([Source](https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Query.hs#L140))

## Members

### Other members

- [`fieldNames`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements-fieldnames/) (record field): Sorted, deduplicated fields, including ordering keys.
- [`orderingFields`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements-orderingfields/) (record field): Ordering field keys in their specified priority order.
- [`QueryRequirements`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements/) (data constructor)
- [`relationshipNames`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements-relationshipnames/) (record field): Sorted, deduplicated relationships at every nesting depth.
- [`rowLimit`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements-rowlimit/) (record field): Final limit, or [Nothing](https://hackage.haskell.org/package/base-4.22.0.0/docs/Data-Maybe.html#v:Nothing) for no limit.
- [`sourceName`](/en/haskell/latest/reference/libtmux-query-v-queryrequirements-sourcename/) (record field): Stable name of the ordered root source.

## Referenced declarations

- [`LibTmux.Query.QueryRequirements`](/en/haskell/latest/reference/libtmux-query-t-queryrequirements/) (data type)