select get_json_object('{"a":"123", "b": "456"}', '$.a')
select get_json_object('[{"a":"123", "b": "456"},{"a":"23", "b": "56"}]', '$[0].a')
select get_json_object('{"a":"123", "b": "456"}', '$.a')
select get_json_object('[{"a":"123", "b": "456"},{"a":"23", "b": "56"}]', '$[0].a')
本文标题:impala解析json
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