The method loadColumnSchema determines a column as a boolean only if db type is 'BIT(1)'. The method loadColumnSchema for MS SQL is implemented in the right way. It considers both TINYINT(1) and BIT(1 ...
The first thing i must clarify is that, i have not said that there is a boolean type in MYSQL, simply by not having a specific type a mapping is made, and this is the Framework specification, you can ...