Source: https://tanstack.com/db/latest/docs/reference/functions/isOrderBySubset

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On this page

• Function: isOrderBySubset()

• Parameters

• subset

• superset

• Returns

• Example

isOrderBySubset

Copy Markdown

Function: isOrderBySubset()
===========================

ts

function isOrderBySubset(subset, superset): boolean;


function isOrderBySubset(subset, superset): boolean;

Defined in: packages/db/src/query/predicate-utils.ts:713

Check if one orderBy clause is a subset of another. Returns true if the subset ordering requirements are satisfied by the superset ordering.

Parameters
---------- ### subset

The ordering requirements to check

OrderBy | undefined

### superset

The ordering that might satisfy the requirements

OrderBy | undefined

Returns
-------

boolean

true if subset is satisfied by superset

Example
-------

ts

// Subset is prefix of superset
isOrderBySubset([{expr: age, asc}], [{expr: age, asc}, {expr: name, desc}]) // true


// Subset is prefix of superset
isOrderBySubset([{expr: age, asc}], [{expr: age, asc}, {expr: name, desc}]) // true

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