SFSQLDriver objects are created by SFSQL() and used to select the correct
method in DBI::dbConnect().
They are a superclass of the DBI::DBIDriver class, and used purely for dispatch.
# S4 method for SFSQLDriver,ANY
dbDataType(dbObj, obj, ...)# S4 method for SFSQLDriver
dbIsValid(dbObj, ...)
# S4 method for SFSQLDriver
dbUnloadDriver(drv, ...)
# S4 method for SFSQLDriver
dbGetInfo(dbObj, ...)
The "Usage" section lists the class methods overridden by lazysf.
The DBI::dbUnloadDriver() method is a null-op.