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Configurable

StatementPrefetchIteratorFetchColumnRector

Replaces deprecated StatementPrefetchIterator::fetchColumn() with fetchField()

-$result = $statement->fetchColumn(0);
+$result = $statement->fetchField(0);

Configure your rector.php:

<?php

use DrupalRector\Drupal11\Rector\Deprecation\StatementPrefetchIteratorFetchColumnRector;
use DrupalRector\Rector\ValueObject\DrupalIntroducedVersionConfiguration;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withConfiguredRule(StatementPrefetchIteratorFetchColumnRector::class, [
        new DrupalIntroducedVersionConfiguration('11.2.0'),
    ]);