executor: fix a bug in filterTemporaryTableKeys() function (#25521)

[ti-srebot]

cherry-pick #25521 to release-5.1
You can switch your code base to this Pull Request by using git-extras:

# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/25522

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/tidb.git pr/25522:release-5.1-ed686d1963f4

---

What problem does this PR solve?

Problem Summary:

What is changed and how it works?

What's Changed:

A silly mistake in https://github.com/pingcap/tidb/pull/24737/files#diff-4c9a4c1e9a402d07a0a78f4db9f766d23f1ff57ceda1e75c4e83b579488ad301R1037

Should use [:0], but use [:]

How it Works:

Fix bug

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• Need to cherry-pick to the release branch

Check List

Tests

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

Release note

• No release note

[ti-srebot]

/run-all-tests

[ti-srebot]

@tiancaiamao you're already a collaborator in bot's repo.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• bb7133
• lysu

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[zhouqiang-cl]

/merge

[ti-chi-bot]

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

Details

Commit hash: cea1831

[zhouqiang-cl]

/merge

[ti-chi-bot]

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[ti-chi-bot]

@ti-srebot: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

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If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[ti-chi-bot]

@ti-srebot: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

Details

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.