使用Drill查询如果字段名有"点"或者其他特殊字符怎么办, 百度, GOOGLE查询良久也没找到,在官方文档里面偶然之间查到了,也就是Drill的逃逸符[`].
下面是文档连接:https://drill.apache.org/docs/lexical-structure/
下面是示例.
select CONVERT_FROM(t.b.BUYER_ID, 'UTF8') AS BUYER_ID , CONVERT_FROM(t.b.`computed.UNIT_PRICE`, 'UTF8') AS UNIT_PRICE , CONVERT_FROM(t.b.`item.CONFID`, 'UTF8') AS CONFID , CONVERT_FROM(t.b.`item.CONFNAME`, 'UTF8') AS CONFNAME from dfs.`/app/SubscriptionBillingPlatform/TRANSAC` t limit 10;