fix

system/Database/BaseConnection.php

@@ -1604,7 +1604,7 @@ abstract public function insertID();
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      *
      * @return false|string
      */

system/Database/MySQLi/Connection.php

@@ -369,7 +369,7 @@ public function escapeLikeStringDirect($str)
      * Generates the SQL for listing tables in a platform-dependent manner.
      * Uses escapeLikeStringDirect().
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
     {

system/Database/OCI8/Connection.php

@@ -243,7 +243,7 @@ public function affectedRows(): int
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
     {

system/Database/Postgre/Connection.php

@@ -205,7 +205,7 @@ protected function _escapeString(string $str): string
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
     {

system/Database/SQLSRV/Connection.php

@@ -184,7 +184,7 @@ public function insertID(): int
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
     {

system/Database/SQLite3/Connection.php

@@ -161,7 +161,7 @@ protected function _escapeString(string $str): string
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
     {

system/Test/Mock/MockConnection.php

@@ -180,7 +180,7 @@ public function insertID(): int
     /**
      * Generates the SQL for listing tables in a platform-dependent manner.
      *
-     * @param null|string $tableName If $tableName is provided will return only this table if exists.
+     * @param string|null $tableName If $tableName is provided will return only this table if exists.
      */
     protected function _listTables(bool $constrainByPrefix = false, ?string $tableName = null): string
     {