Consider to restrict batch dml SQL size

[amyangfei]

Is your feature request related to a problem?

ref to batch DML feature: #7653

The count of RowChanges is not checked in GenUpdateSQL, if the SQL is too large, downstream may return error or performance could have regression.

Describe the feature you'd like

• Benchmark multi update SQL performance, with different batch sizes.
• Add limit to row changes count or SQL size in one single batch update SQL.

Describe alternatives you've considered

No response

Teachability, Documentation, Adoption, Migration Strategy

No response

[amyangfei]

related to: #7960

[nongfushanquan]

/label bug

[ti-chi-bot]

@nongfushanquan: The label(s) bug cannot be applied. These labels are supported: duplicate, bug-from-internal-test, bug-from-user, affects-4.0, affects-5.0, affects-5.1, affects-5.2, affects-5.3, affects-5.4, affects-6.0, affects-6.1, affects-6.2, affects-6.3, affects-6.4, affects-6.5, affects-6.6, may-affects-4.0, may-affects-5.0, may-affects-5.1, may-affects-5.2, may-affects-5.3, may-affects-5.4, may-affects-6.0, may-affects-6.1, may-affects-6.2, may-affects-6.3, may-affects-6.4, may-affects-6.5, may-affects-6.6, needs-cherry-pick-release-4.0, needs-cherry-pick-release-5.0, needs-cherry-pick-release-5.1, needs-cherry-pick-release-5.2, needs-cherry-pick-release-5.3, needs-cherry-pick-release-5.4, needs-cherry-pick-release-6.0, needs-cherry-pick-release-6.1, needs-cherry-pick-release-6.2, needs-cherry-pick-release-6.3, needs-cherry-pick-release-6.4, needs-cherry-pick-release-6.5, needs-cherry-pick-release-6.6, question, release-blocker, wontfix, require-LGT1, require-LGT3.

In response to this:

/label bug

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[nongfushanquan]

/label affects-6.5

[nongfushanquan]

/label affects-6.1