executor: reset the related session vars for both INSERT and REPLACE (#40354)

[ti-chi-bot]

This is an automated cherry-pick of #40354

What problem does this PR solve?

Issue Number: close #40351

Problem Summary:

We only reset the CurrInsertBatchExtraCols in INSERT and forgot to reset it in REPLACE. So it will cause panic in a long session.

What is changed and how it works?

Move the reset to the func ResetContextOfStmt , making sure they are always reset.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Fix the case that INSERT/REPLACE might panic in a long session connection

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• MyonKeminta
• cfzjywxk

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[cfzjywxk]

@winoros
Please help to fix the test case for v6.1 release branch.

[winoros]

/retest

[cfzjywxk]

@winoros
The test build needs some fix

executor/write_test.go:4381:11: cannot initialize 1 variables with 2 values (typecheck)

	store := testkit.CreateMockStore(t)

	         ^

[ti-chi-bot]

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[ti-chi-bot]

@MyonKeminta: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

In response to this:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[cfzjywxk]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: f258c18

[cfzjywxk]

/merge

[cfzjywxk]

/retest-required

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

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