davidradl commented on code in PR #26740:
URL: https://github.com/apache/flink/pull/26740#discussion_r2180036351
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docs/data/sql_functions.yml:
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@@ -1148,6 +1148,24 @@ json:
JSON_ARRAY(JSON('{"nested_json": {"value": 42}}'))
```
+variant:
+ - sql: PARSE_JSON(json_string[, allow_duplicate_keys])
+ description: |
+ Parse a JSON string into a Variant. If the JSON string is invalid, an
error will be thrown.
+ To return NULL instead of an error, use the `TRY_PARSE_JSON` function.
+
+ If `allowDuplicateKeys` is set to false, parsing variant from JSON will
throw an error if
Review Comment:
nit: suggest text change
If there are duplicate keys in the input JSON string, when
`allowDuplicateKeys` is true, the parser will keep the
last occurrence of all fields with the same key, otherwise when
`allowDuplicateKeys` is false it will throw an error.
I suggest saying what the default for `allowDuplicateKeys` is.
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