Breaking: #77750 - Return value of ContentObjectRenderer::exec_Query changed

See forge#77750

Description

The return type of ContentObjectRenderer::exec_getQuery() has changed. Instead of returning either bool, \mysqli_result or object the return value always is a \Doctrine\DBAL\Driver\Statement.

Impact

Using the mentioned method will no longer yield the expected result type.

Affected Installations

Any installation with a 3rd party extension that uses the named method.

Migration

Change the way the result is being used to conform to the Doctrine API:

$result = $this->cObj->exec_getQuery(...);
while ($row = $result->fetch()) {
    // Do something here
}

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