Make cast methods available

[eavanvalkenburg]

All of the methods inside the cursor are quite useful outside of it as well, consider making them loose functions or in a class outside of cursor

[perrysk-msft]

Thanks @eavanvalkenburg! Can you provide a bit more info on this one?

[eavanvalkenburg]

One is always dealing with the fact that python types are different then SQL types, so for things like schema generation, making functions like

mssql-python/mssql_python/cursor.py

Line 205 in 575cde7

def _map_sql_type(self, param, parameters_list, i):

available publicly and easily consumable is super helpfull, I now created my own version, but it might not be complete or even correct!