[fix](doc) hours-diff.md zh: add missing semicolon and top divider on negative-difference example#3801
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…ivider The second example on the ZH page is missing the trailing semicolon on the SELECT and the opening +---+ divider above the result-row header. Without the semicolon, the SQL block runs together with the ASCII grid that follows and the parser chokes on the bare `|` lines. EN already has the semicolon and the matching divider in the same spot. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Doc page (4.x): `scalar-functions/date-time-functions/hours-diff.md` (ZH).
The second example on the ZH page is missing two small things:
```
---结束时间早于开始时间，返回负数
select hours_diff('2020-12-25 20:00:00', '2020-12-25 21:00:00') ← no `;`
| hours_diff('2020-12-25 20:00:00', '2020-12-25 21:00:00') | ← no opening `+---+` divider
+----------------------------------------------------------+
| -1 |
+----------------------------------------------------------+
```
Without the semicolon the SELECT runs together with the ASCII grid that follows and the parser chokes on the bare `|` lines. EN has both the semicolon and the matching opening divider in the same spot.
Verification
After the fix the example parses and runs cleanly on Apache Doris 4.1.1 and returns the documented `-1`.
Test plan
🤖 Generated with Claude Code