plchy2 commented on code in PR #3198:
URL: https://github.com/apache/doris-website/pull/3198#discussion_r2634110828


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i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/scalar-functions/array-functions/array-size.md:
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@@ -28,7 +28,8 @@ ARRAY_SIZE(<arr>)
 
 ## 返回值
 
-返回数组中元素数量,如果输入数组为 NULL,则返回 NULL
+返回数组中元素数量,如果输入数组为 NULL,则返回数组的大小,当前示例中返回 1

Review Comment:
   I’ve updated the examples across Chinese, English, and versioned docs to 
clearly distinguish:
   
   ARRAY_SIZE(NULL) → NULL
   
   arrays containing NULL → element count
   
   Please let me know if any further changes are needed.



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