十二.SparkSQL中json數據文件轉換成parquet文件

第一步      首先在本地建立一個json文件,名字叫json_schema_infer.json,文件中數據的格式以下:web {"name":"liguohui","gender":"M","height":160} {"name":"zhangsan","gender":"F","height":175,"age":26} {"name":"wangwu","gender":"M","he

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