Check MergeAppend node in share input mutator #1204
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Do recursive call in plan walker for MergeAppend type of plan.
When planner desides to merge two sorted subplans one of which has Share Input Scan node, executer fails to execute this, becuase of wrogly aligned internals structures.
In turn out, it was forgotten in scareinput tree walker to do proper recursion call
repro:
Fixes #ISSUE_Number
What does this PR do?
Type of Change
Breaking Changes
Test Plan
make installcheck
make -C src/test installcheck-cbdb-parallel
Impact
Performance:
User-facing changes:
Dependencies:
Checklist
Additional Context
CI Skip Instructions