zhengshiJ opened a new pull request, #10678:
URL: https://github.com/apache/doris/pull/10678
# Proposed changes
Physical sort:
* 1. Build sortInfo
* There are two types of slotRef:
* one is generated by the previous node, collectively called old.
* the other is newly generated by the sort node, collectively called
new.
* Filling of sortInfo related data structures,
* a. ordering use newSlotRef.
* b. sortTupleSlotExprs use oldSlotRef.
* 2. Create sortNode
* 3. Create mergeFragment
## Problem Summary:
Describe the overview of changes.
## Checklist(Required)
1. Does it affect the original behavior: (No)
2. Has unit tests been added: (No)
3. Has document been added or modified: (No Need)
4. Does it need to update dependencies: (No)
5. Are there any changes that cannot be rolled back: (No)
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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