DaTaobao Tech
Apr 27, 2022 · Big Data
Comparative Study of JSON Processing Methods in MaxCompute
The study compares MaxCompute JSON extraction functions—FROM_JSON, get_json_object, and custom JMESPath/JSONPath UDFs—showing simple field extraction with get_json_object is fastest, while complex queries benefit from FROM_JSON or JMESPath, and outlines corresponding JSON generation methods and best‑practice recommendations.
DataEngineeringJMESPathJSON
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