tree cfe12bb2ff83ab4a9a97073e1266fc35147a5d20
parent 5963df031c0906ce746c64867227678bce7720f3
author akashrn5 <akashnilugal@gmail.com> 1594740560 +0530
committer kunal642 <kunalkapoor642@gmail.com> 1595487100 +0530

[CARBONDATA-3911]Fix NullPointerException in case of multiple updates and clean files

Why is this PR needed?
when multiple load and multiple updates are performed, the segment files will be created
for each update, when clean files performed, if two segments are there, first segment will
clean other segments's segment file also which leads to nullpointer.

What changes were proposed in this PR?
Once all the segments stale segment files are collected, then delete the stale files at once.

This closes #3843