如果有多个distinct字段呢，如下面的SQL select dealid,count(distinct uid),count(distinct date)from order group by dealid;实现方式有两种： （1）如果仍然按照上面一个distinct字段的方法，即下图这种实现方式...
PostgreSQL,CTE,LATERAL,ORDINALITY,WINDOW,SKIP LOCKED,DISTINCT,GROUPING SETS,distinct on 背景 1、WITH ORDINALITY，输出函数返回记录的每行行号 《PostgreSQL 9.4 Add SQL Standard WITH ORDINALITY support ...
SQL表结构如下图： SQL 分页语句： SELECT TOP 5*,(select count(*)inum from (select distinct AreaID,AreaTypeID,lifeYear,[State],RelatedID from MonitorBaseEnterInfo where 1=1)i)as CountNum FROM (SELECT ...
对所需DISTINCT字段buy_id模1024自动打散后，SQL：SELECT day,SUM(cnt)total FROM(SELECT day,MOD(buy_id,1024),COUNT(DISTINCT buy_id)as cnt FROM T GROUP BY day,MOD(buy_id,1024))GROUP BY day 还是flink会帮我...
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spark.sql("select distinct status,length(status)from table")返回Active|6spark.sql("select distinct status from table where status like '%active%'")不返回任何值spark.sql("select distinct status from ...
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您好，COUNT()函数返回匹配指定条件的行数。SQL COUNT(column_name)语法 COUNT(column_name)函数返回指定列的值的...注释：COUNT(DISTINCT)适用于 ORACLE 和 Microsoft SQL Server，但是无法用于 Microsoft Access。
select distinct on(alarm.id)alarm.id,alarm.description join alarm_date on alarm_date.aid=alarm.id where alarm_date.create_time>'2018-11-11' order by alarm.id;如果我需要根据告警命中次数排序应该怎么写呢...
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但是我自己写sql却运行不起来，报异常 codegenexpression.No matching accumulate methods for Aggregation function.CountAggFunction with Parameters(Java.lang.String,java.lang.Long) Flink1.8和1.9都无法运行...
