RocMarshal commented on a change in pull request #17508:
URL: https://github.com/apache/flink/pull/17508#discussion_r732557529
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File path: docs/data/sql_functions_zh.yml
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@@ -707,11 +707,9 @@ json:
- sql: IS JSON [ { VALUE | SCALAR | ARRAY | OBJECT } ]
table: STRING.isJson([JsonType type])
description: |
- Determine whether a given string is valid JSON.
+ 判定给定字符串是否为有效的 JSON。
- Specifying the optional type argument puts a constraint on which type of
JSON object is
- allowed. If the string is valid JSON, but not that type, `false` is
returned. The default is
- `VALUE`.
+ 指定一个可选类型参数将会限制允许哪种类型的 JSON 对象。如果字符串是有效的 JSON，但不是指定的类型，则返回 'false'。默认值为
'VALUE'。
Review comment:
I made some test on the json clause base on latest master branck as
follows:
Flink SQL> select '1' IS JSON SCALAR; // true
[INFO] Result retrieval cancelled.
Flink SQL> select '1' IS JSON VALUE;//true
[INFO] Result retrieval cancelled.
Flink SQL> select '1' IS JSON ARRAY;//false
[INFO] Result retrieval cancelled.
Flink SQL> select '1' IS JSON OBJECT;//false
[INFO] Result retrieval cancelled.
I'm not sure if the original content in this page was coded correctly. But
we just do the translation work at current pull request, IMO.
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