<b>Deprecated</b>: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in <b>/tests/www/postgresphpnext/libraries/vendor/joomla/database/src/Pgsql/PgsqlDriver.php</b> on line <b>273</b><br />
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<b>Deprecated</b>: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in <b>/tests/www/postgresphpnext/libraries/vendor/joomla/database/src/Pgsql/PgsqlDriver.php</b> on line <b>279</b><br />
The field default can be null. If that is the case then the preg_match gives a PHP deprecation warning in PHP 8.1.
This can be seen at https://ci.joomla.org/joomla/joomla-cms/50349/1/31 phpnext-api-postgres test run
e.g.