The year(2) type is deprecated, and as of version 5.6 the size
specification is ignored.
'time' => { data_type => 'time' },
'year' => { data_type => 'year' },
'year(4)' => { data_type => 'year' },
- 'year(2)' => { data_type => 'year', size => 2 },
# String Types
'char' => { data_type => 'char', size => 1 },