expression: handle invalid argument for addtime and subtime function (#21600) #21635
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cherry-pick #21600 to release-4.0
Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com
What problem does this PR solve?
Issue Number: close #12342
Problem Summary:
Didn't handle the error for the second argument.
What is changed and how it works?
If the second argument is invalid, use
NULLinstead of returning an error.Related changes
Check List
Tests
Side effects
Release note