Compatibility update for outer join reorder

[TomShawn]

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

• This PR is translated from: Compatibility update for outer join reorder docs-cn#11034
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• Delete files
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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• shichun-0415

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[TomShawn]

/remove-status LGT1
/status LGT2

[TomShawn]

/merge

[ti-chi-bot]

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

Commit hash: c1d059c

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10112.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10113.