fhueske commented on code in PR #24967:
URL: https://github.com/apache/flink/pull/24967#discussion_r1705362329
##########
docs/data/sql_functions_zh.yml:
##########
@@ -477,6 +477,12 @@ string:
- sql: SUBSTR(string, integer1[, integer2])
table: STRING.substr(INTEGER1[, INTEGER2])
description: 返回字符串的子字符串，从位置 integer1 开始，长度为 integer2（默认到末尾）。
+ - sql: JSON_QUOTE(string)
+ table: STRING.JsonQuote()
+ description: Quotes a string as a JSON value by wrapping it with double
quote characters, escaping interior quote and special characters ('"', '\',
'/', 'b', 'f', 'n', 'r', 't'), and returning the result as a string. If the
argument is NULL, the function returns NULL.
+ - sql: JSON_UNQUOTE(string)
+ table: STRING.JsonUnquote()
+ description: Unquotes JSON value, unescapes escaped special characters
('"', '\', '/', 'b', 'f', 'n', 'r', 't', 'u' hex hex hex hex), and returns the
result as a string. If the argument is NULL, returns NULL. If the value starts
and ends with double quotes but is not a valid JSON string literal, the value
is passed through unmodified.
Review Comment:
```suggestion
description: Unquotes JSON value, unescapes escaped special characters
('"', '\', '/', 'b', 'f', 'n', 'r', 't', 'u' hex hex hex hex), and returns the
result as a string. If the argument is NULL, returns NULL. If the value does
not start and ends with double quotes or if it starts and ends with double
quotes but is not a valid JSON string literal, the value is passed through
unmodified.
```
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