hasNext( )

Indicates if the aggregation has more results.

Syntax

function hasNext(): boolean

hasNext Parameters

This function does not take any parameters.

Returns

true if there are more results.

Return Type:

boolean

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Get whether the aggregate result object has more results

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1let hasNext = results.hasNext(); // true

Run an aggregation and get whether the aggregate result object has more results

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1import wixData from 'wix-data';
2
3wixData.aggregate("PopulationData")
4  .group("state")
5  .max("population")
6  .run()
7  .then((results) => {
8    let hasNext = results.hasNext();  // false
9  });

Iterate through all pages of aggregate results

Copy Code

1let results = await wixData.aggregate("Cities")
2  .group("city")
3  .limit(3)
4  .run();
5
6console.log(results.items);
7
8while(results.hasNext()) {
9  console.log("---▼ Next Page ▼---");
10  results = await results.next();
11  console.log(results.items);
12}
13
14/* Logs:
15 * [{"_id":"San Diego"},{"_id":"Orlando"},{"_id":"San Francisco"}]
16 * ---▼ Next Page ▼---
17 * [{"_id":"Buffalo"},{"_id":"Miami"},{"_id":"Los Angeles"}]
18 * ---▼ Next Page ▼---
19 * [{"_id":"Miami"}]
20 */