1. 问题描述
在Hive1.2.2版本运行如下HQL时:
select dt as date, comMap['searchType'] as search_type, comMap['clickType'] as click_typefrom search_clickwhere dt = '2
在Hive1.2.2版本运行如下HQL时:
select dt as date, comMap['searchType'] as search_type, comMap['clickType'] as click_typefrom search_clickwhere dt = '2