Edit File: WithCustomQuerySize.php
<?php namespace Maatwebsite\Excel\Concerns; interface WithCustomQuerySize { /** * Queued exportables are processed in chunks; each chunk being a job pushed to the queue by the QueuedWriter. * In case of exportables that implement the FromQuery concern, the number of jobs is calculated by dividing the $query->count() by the chunk size. * Depending on the implementation of the query() method (eg. When using a groupBy clause), this calculation might not be correct. * * When this is the case, you should use this method to provide a custom calculation of the query size. * * @return int */ public function querySize(): int; }
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