Mellorsssss opened a new pull request, #18037:
URL: https://github.com/apache/doris/pull/18037
# Proposed changes
Issue Number: close #17216
## Problem summary
Implement json_unquote.
```
mysql> SELECT json_unquote('"doris"');
+-------------------------+
| json_unquote('"doris"') |
+-------------------------+
| doris |
+-------------------------+
```
## Checklist(Required)
* [ ] Does it affect the original behavior
* [x] Has unit tests been added
* [x] Has document been added or modified
* [ ] Does it need to update dependencies
* [x] Is this PR support rollback (If NO, please explain WHY)
## Further comments
Currently, the
[NO_BACKSLASH_ESCAPES](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html#sqlmode_no_backslash_escapes)
sql mode specified in the MySQL documentation at does not actually take
effect. Therefore, even if a user enables NO_BACKSLASH_ESCAPES, the behavior of
json_unquote will not change.
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