Psalm Bug on ENUM issue?

[webbgroup]

ERROR: DuplicateArrayKey - system/database/drivers/mysqli/mysqli_result.php:219:7 - Key '247' already exists on array (see https://psalm.dev/151)
MYSQLI_TYPE_ENUM => 'enum',

  private static function _get_field_type($type)
  {
    static $map;
    isset($map) or $map = [
      MYSQLI_TYPE_DECIMAL => 'decimal',
      MYSQLI_TYPE_BIT => 'bit',
      MYSQLI_TYPE_TINY => 'tinyint',
      MYSQLI_TYPE_SHORT => 'smallint',
      MYSQLI_TYPE_INT24 => 'mediumint',
      MYSQLI_TYPE_LONG => 'int',
      MYSQLI_TYPE_LONGLONG => 'bigint',
      MYSQLI_TYPE_FLOAT => 'float',
      MYSQLI_TYPE_DOUBLE => 'double',
      MYSQLI_TYPE_TIMESTAMP => 'timestamp',
      MYSQLI_TYPE_DATE => 'date',
      MYSQLI_TYPE_TIME => 'time',
      MYSQLI_TYPE_DATETIME => 'datetime',
      MYSQLI_TYPE_YEAR => 'year',
      MYSQLI_TYPE_NEWDATE => 'date',
      MYSQLI_TYPE_INTERVAL => 'interval',
      MYSQLI_TYPE_ENUM => 'enum',
      MYSQLI_TYPE_SET => 'set',
      MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
      MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
      MYSQLI_TYPE_BLOB => 'blob',
      MYSQLI_TYPE_LONG_BLOB => 'longblob',
      MYSQLI_TYPE_STRING => 'char',
      MYSQLI_TYPE_VAR_STRING => 'varchar',
      MYSQLI_TYPE_GEOMETRY => 'geometry',
    ];

    return $map[$type] ?? $type;
  }

[orklah]

There's a good chance it may be due to an alias in those constants

Could you display the value of each of those?