hive中first_day函数 hive中first value 目录 1.java_method(class, method[, arg1[, arg2..]]) , reflect(class, method[, arg1[, arg2..]]) 2.hash(a1[, a2...]) 3.current_user() 4.logged_in_user() 5.current_database() 6.md5(string/binary) 7.sha1(string/binary)、sha(string/bi...
`date_value` string, `day_in_year` string, `day_in_month` string, `is_first_day_in_month` string, `is_last_day_in_month` string, `weekday` string, `week_in_month` string, `is_first_day_in_week` string, `is_dayoff` string, `is_workday` string, `is_holiday` string, `date...
Hive 时间日期处理总结 selectday--时间,date_add(day,1-dayofweek(day))asweek_first_day--本周第一天_周日,date_add(day,7-dayofweek(day))asweek_last_day--本周最后一天_周六,date_add(day,1-casewhendayofweek(day)=1then7elsedayofweek(day)-1end)asweek_first_day--本周第一天_周一,date_add(da...
last_day:日期的当月的最后一天 select last_day('2020-02-30'); date_format(): 格式化日期 select date_format('2020-10-28 12:12:12','yyyy/MM/dd HH:mm:ss'); 字符串函数 字符串函数是一类处理字符串数据的函数,可以对字符串进行拼接、转换等操作。 upper: 转大写 select upper('low'); select...
,lag(t1.day,1,'2018-01-01 00:00:00')over(partitionbyt1.idorderbyt1.day)aslag_2_day ,first_value(t1.day)over(partitionbyt1.idorderbyt1.day)asfirst_day_1 ,first_value(t1.day)over(partitionbyt1.id)asfirst_day_2 ,last_value(t1.day)over(partitionbyt1.idorderbyt1.day)aslast_day...
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在trino 中,可以通过 ORDER BY expression [ ASC | DESC ] [ NULLS { FIRST | LAST } ] 兼容 hive。 2、LIMIT 支持不同。trino 中 limit 语法是 LIMIT { count | ALL } ,不支持 limit [offset,] rows 3、trino 中不支持 count distinct多列,即不支持 count(distinct a,b,c); ...
collect_set(logday)[0] as first_day, collect_set(score)[0] as first_score_over80 from test_window where score > 80 group by userid; 这里是试探一下数据。注意where在group by前面,注意group by里面没有的字段需要用collect_set()[0] 来表示。结果如图: ...
(d,'MM') as month_first_day , last_day(d) as month_last_day , date_format(last_day(d),'yyyyMMdd000000') as month_last_pt , date_format(d, 'yyyyMM') as month_yyyymm , date_format(d, 'yyyy-MM') as month_yyyy_mm , month(d) as month , date_format(d, 'u') as week ...
selectday('2016-08-16 10:03:01')--16 返回日期中的时 代码语言:javascript 复制 selecthour('2016-08-16 10:03:01')--10 返回日期中的分 代码语言:javascript 复制 selectminute('2016-08-16 10:03:01')--3 返回日期中的秒 代码语言:javascript ...