kevinjmh opened a new pull request #3845:
URL: https://github.com/apache/carbondata/pull/3845
### Why is this PR needed?
PR #3804 free the row page after running in-memory intermeidate merge, but
the data will still be used in final sort because that merge only acquire the
memory address and row page index instead of moving the rows from here to
there.
### What changes were proposed in this PR?
Remove code for freeing the row page in case of in-memory intermeidate merge.
As a special case, add comment for explanation.
### Does this PR introduce any user interface change?
- No
- Yes. (please explain the change and update document)
### Is any new testcase added?
- No
- Yes
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