Align 4 PRs

[TomShawn]

What is changed, added or deleted? (Required)

Align 4 PRs

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

• master (the latest development version)
• v5.4 (TiDB 5.4 versions)
• v5.3 (TiDB 5.3 versions)
• v5.2 (TiDB 5.2 versions)
• v5.1 (TiDB 5.1 versions)
• v5.0 (TiDB 5.0 versions)
• v4.0 (TiDB 4.0 versions)
• v3.1 (TiDB 3.1 versions)
• v3.0 (TiDB 3.0 versions)
• v2.1 (TiDB 2.1 versions)

What is the related PR or file link(s)?

• This PR is translated from: Fix the descriptions about comment length in table, column, and index docs-cn#8059 Add a note for JDBC streaming result docs-cn#8104 fix typo of tidb_distsql_scan_concurrency docs-cn#8219 文档错误 docs-cn#7393
• Other reference link(s):

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• shichun-0415

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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[shichun-0415]

LGTM

[TomShawn]

/merge

[ti-chi-bot]

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

Commit hash: 0692dfc

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #7522.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.1: #17898.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.2: #17899.

[qiancai]

Adds the needs-cherry-pick-release-5.1 and needs-cherry-pick-release-5.2 labels because pingcap/docs-cn#7393 needs to be cherry-picked to v5.1 and v5.2. Because the current PR also contains translation changes of other source PRs, additional changes are required in v5.1 and v5.2 cherry-pick PRs.