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[hotfix][table] Fix tryParseJson() docs to say NULL instead of throws an error #29124

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Merged
twalthr merged 1 commit into from
Sep 7, 2026
+5 −5
Merged

[hotfix][table] Fix tryParseJson() docs to say NULL instead of throws an error #29124

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2 changes: 1 addition & 1 deletion docs/data/sql_functions.yml
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Expand Up @@ -1352,7 +1352,7 @@ variant:
- sql: TRY_PARSE_JSON(json_string[, allow_duplicate_keys])
table: STRING.tryParseJson([allowDuplicateKeys])
description: |
Try to parse a JSON string into a Variant if possible. If the JSON string is invalid, return
Try to parse a JSON string into a Variant if possible. If the JSON string is invalid, return
NULL. To throw an error instead of returning NULL, use the `PARSE_JSON` function.

If there are duplicate keys in the input JSON string, when `allowDuplicateKeys` is true, the
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4 changes: 2 additions & 2 deletions flink-python/pyflink/table/expression.py
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Expand Up @@ -2303,8 +2303,8 @@ def try_parse_json(self, allow_duplicate_keys=None) -> 'Expression':
None is returned. To throw an error instead, use :func:`~Expression.parse_json`.

If there are duplicate keys in the input, allow_duplicate_keys controls whether the
parser keeps the last occurrence of each duplicated key (True) or throws an error
(False). The default value of allow_duplicate_keys is False.
parser keeps the last occurrence of each duplicated key (True) or returns
None (False). The default value of allow_duplicate_keys is False.
"""
if allow_duplicate_keys is None:
return _unary_op("tryParseJson")(self)
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4 changes: 2 additions & 2 deletions ...ink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java
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Expand Up @@ -1411,8 +1411,8 @@ public OutType tryParseJson() {
* #parseJson(boolean)}.
*
* <p>If there are duplicate keys in the input, {@code allowDuplicateKeys} controls whether the
* parser keeps the last occurrence of each duplicated key ({@code true}) or throws an error
* ({@code false}).
* parser keeps the last occurrence of each duplicated key ({@code true}) or returns {@code
* NULL} ({@code false}).
*/
public OutType tryParseJson(boolean allowDuplicateKeys) {
return toApiSpecificExpression(
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