As a quick refresher, fetch is a synonym for
fetchrow_arrayref, which in general will be
faster than a fetchrow_array because it doesn't
have to allocate more memory and assign more variables.
In ColtsFoot's case, I think variable allocation might be
part of the problem if dealing with Memo fields. Try checking
the result of fetchrow_array for errors; the
best way to do that is to turn on RaiseError and
PrintError.
You might also want to look at bind_columns, which
gives the convenience of variables without the pain of
re-assigning them for each row.
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