wutiangan commented on a change in pull request #3345:
URL: https://github.com/apache/incubator-doris/pull/3345#discussion_r412282827
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File path:
docs/documentation/cn/sql-reference/sql-functions/string-functions/length.md
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@@ -24,7 +24,7 @@ under the License.
`INT length(VARCHAR str)`
-返回字符串的长度，对于多字节字符，返回的字符数。比如5个两字节宽度字，返回的长度是10。
+返回字符串的字节。
Review comment:
返回字符串的字节数
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