Presto源码分析(和hive执行计划的比较)

聚合操做比较 1 presto groupby 2 hive groupby 排序操做比较 1 presto排序 2 hive排序 join 1 presto 2 hive 1 聚合操做比较 1.1 presto groupby explain select sum(totalprice),orderpriority from orders group by orderpriority;php -

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