def native_database_types
{
:primary_key => 'int generated by default as identity (start with 42) primary key',
:string => { :name => 'varchar', :limit => 255 },
:text => { :name => 'clob', :limit => 32768 },
:integer => { :name => 'int' },
:float => { :name => 'float' },
:datetime => { :name => 'timestamp' },
:timestamp => { :name => 'timestamp' },
:time => { :name => 'time' },
:date => { :name => 'date' },
:binary => { :name => 'blob', :limit => 32768 },
:boolean => { :name => 'decimal', :limit => 1 }
}
end