expression: fix the corner case of CAST int as unsigned real/decimal (#13637) #13755
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Outdated suggestions cannot be applied.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.
cherry-pick #13637 to release-3.0
What problem does this PR solve?
In the original version, it will check inUnion && val<0 no matter whether the val is unsigned(the val is always int64, but in sql, it may be unsigned), so in some case, it will dirrerent from mysql5.7
This PR continue unfinished work in #11745.
What is changed and how it works?
add check of whether unsigned
Check List
Tests
Code changes
Side effects
Related changes
Release note