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摘要: How to transform data into a map using group by in Hive SQL? select grade, str_to_map(course_list,',',':') lecture_count_map from ( select grade, conc 阅读全文
posted @ 2022-06-09 11:47 摇头晃脑学知识 阅读(22) 评论(0) 推荐(0) 编辑