xuyangzhong commented on code in PR #24077:
URL: https://github.com/apache/flink/pull/24077#discussion_r1467317080
##########
docs/content.zh/docs/dev/table/sql/queries/hints.md:
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@@ -108,6 +108,39 @@ hintOption:
| stringLiteral
```
+### 查询提示使用中的冲突
+#### Key-value 类型查询提示的冲突处理
+Key-value 类型的查询提示使用如下语法：
+
+```sql
+hintName '(' optionKey '=' optionVal [, optionKey '=' optionVal ]* ')'
+```
+
+当 Key-value 类型的查询提示发生冲突时，Flink 会按顺序用后定义的查询提示覆盖前面定义的同名查询提示。
+对于下面的例子，包含同相同 key 的查询提示 'max-attempts'：
Review Comment:
What about `在一个Key-value 类型的查询提示中存在重复的key时，Flink 会按顺序用后面的value覆盖前面的value`？
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