Since 3.6.0 it seems that the SQL PDO wrapper in /db/sql.php on line 372: Assigns the value self::PARAM_FLOAT as the pdo_type to all columns matching the regex. Those are probably all floating point ...

The exp/sql documentation mentions support for bool and float values, but the conversion function used by Scan doesn't support bool or float destination values. The patch below adds support for bool, ...