dongjoon-hyun commented on a change in pull request #27836: [SPARK-31009][SQL]
Support json_object_keys function
URL: https://github.com/apache/spark/pull/27836#discussion_r405154566
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File path: sql/core/src/test/resources/sql-tests/inputs/json-functions.sql
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@@ -58,5 +58,22 @@ select schema_of_json('{"c1":01, "c2":0.1}',
map('allowNumericLeadingZeros', 'tr
select schema_of_json(null);
CREATE TEMPORARY VIEW jsonTable(jsonField, a) AS SELECT * FROM VALUES ('{"a":
1, "b": 2}', 'a');
SELECT schema_of_json(jsonField) FROM jsonTable;
+
+-- json_object_keys
+select json_object_keys();
+select json_object_keys(null);
+select json_object_keys(200);
+select json_object_keys('');
+select json_object_keys('{"key": 1}');
+select json_object_keys('{}');
Review comment:
Shall we switch line 67 and 68?
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