Read all data in MDF datastore
reads all the data in the datastore specified by data
= readall(mdfds
)mdfds
and
returns it to timetable data
.
After the readall
function returns all the data, it resets
mdfds
to point to the beginning of the datastore.
If all the data in the datastore does not fit in memory, then
readall
returns an error.