*: disable insert null to not-null column for single-row insertion in non-strict mode | tidb-test=pr/2410 (#55477) #58046
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This is an automated cherry-pick of #55477
What problem does this PR solve?
Issue Number: close #55457, close #56381, close #57435
Problem Summary:
What changed and how does it work?
Accroding to MySQL document, even in non-strict mode, single null value still can not be inserted into not-null column.
To support this, this PR add a new error group
ErrGroupNoDefault
to detach the handling of default value from theErrGroupBadNull
.Check List
Tests
Side effects
Documentation
Release note
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