I'm not sure what you're really trying to do here but it sounds like saving the data to a park a file or other temporary store before truncating would protect you in case of failure.
On Wed, Jul 1, 2020, 9:48 AM Amit Sharma <resolve...@gmail.com> wrote: > Hi, i have scenario where i have to read certain raw from a table and > truncate the table and store the certain raws back to the table. I am doing > below steps > > 1. reading certain raws in DF1 from cassandra table A. > 2. saving into cassandra as override in table A > > > the problem is when I truncate the table at step 2 I will lose the data > in DF1 as it shows empty. > I have two solutions > 1. Store the DF1 in another temp table before truncating table A > 2. Cache DF1 before truncating. > > Do we have any better solution ? > > > Thanks > Amit >
