date '2001-09-28'+time '03:00'→2001-09-28 03:00:00 interval+interval→interval 添加时间间隔 interval '1 day'+interval '1 hour'→1 day 01:00:00 timestamp+interval→timestamp 在时间戳中添加一个时间间隔 timestamp '2001-09-28...
oss:/oss-odps-test/log_data/year=2016/month=06/day=01/logfile oss:/oss-odps-test/log_data/year=2016/month=06/day=02/logfile oss:/oss-odps-test/log_data/year=2016/month=07/day=10/logfile oss:/oss-odps-test/log_data/year=...
自动映射了以下分区:year=2020/month=03/day=01 year=2020/month=03/day=02 year=2020/month=04/day=29 year=2020/month=04/day=30 Table4 创建分区表Table4 分区格式为age=xx。自动映射了age=20分区。Table5 创建分区表Table5 分区格式为...
oss:/adb/Table3/year=2022/month=03/day=01/file5.csv oss:/adb/Table3/year=2022/month=03/day=01/file6.csv oss:/adb/映射到 AnalyticDB MySQL 的表为分区表,表名为 Table3,分区字段为 year、month 和 day。oss:/adb/Table3/oss:/adb/...
result|+-+|2022-01-22 00:01:10|示例14 select adddate(datetime '2022-01-22',interval '1 01:01' day_minute)as result;返回结果如下。result|+-+|2022-01-23 01:01:00|示例15 select adddate(datetime '2022-01-22',interval '1 01' ...
日志服务采集到数据后,支持将数据...例如:oss:/test-bucket/log_ship_oss_example/year=2022/mon=01/day=20/log_195043_1484913043351525351_2850008.parquet,设置为三层分区列,分别为:year、mon、day。SDK示例 export_oss_sink_demo.py
例如:oss:/test-bucket/log_ship_oss_example/year=2022/mon=01/day=20/log_195043_1484913043351525351_2850008.parquet,设置为三层分区列,分别为:year、mon、day。相关操作 创建投递任务后,您可以在 OSS投递管理 页面,执行修改投递...
day函数等同于day_of_month函数。day_of_month函数 提取日期和时间表达式中的天数,按月计算。day_of_month函数等同于day函数。day_of_week函数 提取日期和时间表达式中的天数,按周计算。day_of_week函数等同于dow函数。day_of_year函数 ...
在TSDB For InfluxDB®中,epoch 0(1970-01-01T00:00:00Z)通常用作空时间戳(null timestamp),如果您请求的查询中没有时间戳返回,例如,对于没有规定时间范围的聚合函数,TSDB For InfluxDB®返回epoch 0作为时间戳。哪些InfluxQL函数...
CHAR 无 不支持 TIME JSON TIME WITH TIMEZONE TIMESTAMP WITH TIME ZONE INTERVAL YEAR TO MO NTH INTERVAL DAY TO SEC OND ARRAY MAP IPADDRESS 支持的Presto SQL语法 说明 不支持 ALTER SCHEMA.RENAME TO.SQL语法 备注 SELECT 无 ...
说明 以当前时间为2022-01-10为例,<time_unit =DAY,num_retention=3>参数配置即表示将保留 2022-01-09、2022-01-08、2022-01-07三个分区,早于2022-01-07的历史分区将被删除。是 auto_partitioning.num_hot 否 保留热分区数量,取值说明...
3 个字符,本地化后长度不同)MM 月份编号(01-12)DAY 完整的大写日名称 Day 完整的混合大小写日名称 day 完整的小写日名称 DY 缩写的大写日名称(英文为 3 个字符,本地化后长度不同)Dy 缩写的混合大小写日名称(英文为 3 个字符,本地...
3 字符,本地化长度可变)mon 简写的小写形式的月名(英文 3 字符,本地化长度可变)MM 月编号(01–12)DAY 全大写形式的日名(空格补齐到 9 字符)Day 全首字母大写形式的日名(空格补齐到 9 字符)day 全小写形式的日名(空格补齐到 9 ...
抽取函数 可以使用抽取函数来抽取如下域:域 描述 YEAR year()QUARTER quarter()MONTH month()WEEK week()DAY day()DAY_OF_MONTH day()DAY_OF_WEEK day_of_week()DOW day_of_week()DAY_OF_YEAR day_of_year()DOY day_of_year()YEAR_OF_WEEK...
示例 select extract(year from '2019-05-01 11:21:00')year,extract(month from '2019-05-01 11:21:00')month,extract(day from '2019-05-01 11:21:00')day,extract(hour from '2019-05-01 11:21:00')hour,extract(minute from '2019-05-...
假设运行日期为2023-01-05,则 extract_day 取值为2023-01-04,请求参数将拼接为:startTime=2023-01-04 00:00:00&endTime=2023-01-04 23:59:59。数据去向 配置要点:数据源、表:选择上述步骤中创建的MaxCompute分区表。分区信息:分区...
逻辑数仓功能可以打通不同引擎,不同实例,跨区域,跨存储的OLAP、OLTP之间的壁垒,基于统一的...date_add('2018-05-01',INTERVAL 1 DAY),返回值为 '2018-05-02'。date_diff(unit,timestamp1,timestamp2)bigint 返回timestamp1与timestamp2的...
INSERT INTO orders_stat SELECT CONCAT('2022',LPAD(${dag.loopTimes},2,'0'),'01')AS stat_day,'60d' AS stat_type,COUNT(id)AS order_total,nvl(SUM(order_amount),0)AS order_amount_total FROM orders WHERE-2个月前第1天 ds>=REPLACE...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '93 day' group by l_returnflag,l_linestatus order by l_returnflag,l_...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '93 day' group by l_returnflag,l_linestatus order by l_returnflag,l_...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '93 day' group by l_returnflag,l_linestatus order by l_returnflag,l_...
SELECT*FROM user WHERE birth_day>='1980-01-01 00:00:00';SELECT*FROM user WHERE is_female is null;SELECT*FROM user WHERE is_female is not null;SELECT*FROM user WHERE user_id in(0001,0010);SELECT*FROM user WHERE user_name ...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '93 day' group by l_returnflag,l_linestatus order by l_returnflag,l_...
select date1,day(date1)as date1_day,datetime1,day(datetime1)as datetime1_day,timestamp1,day(timestamp1)as timestamp1_day,date3,day(date3)as date3_day from mf_date_fun_t;返回结果如下。date1|date1_day|datetime1|datetime1_day...
select date1,next_day(date1,'MON')as date1_next_day,datetime1,next_day(datetime1,'TUE')as datetime1_next_day,timestamp1,next_day(timestamp1,'WED')as timestamp1_next_day,date3,next_day(date3,'THU')as date3_next_day from mf_...
SELECT oracle_last_day('2022-05-01');2022-05-31 next_day(value date,weekday text)返回开始日期后的下一个星期几所在的日期。参数一:开始的日期。参数二:包含星期几的英文字符串,如Friday。SELECT next_day('2022-05-01','FRIDAY');...
tax))AS sum_charge,Avg(l_quantity)AS avg_qty,Avg(l_extendedprice)AS avg_price,Avg(l_discount)AS avg_disc,Count(*)AS count_order FROM lineitem WHERE l_shipdate<= date '1998-12-01'-INTERVAL '93' day GROUP BY l_returnflag,l_...
insert into mf_date_fun_t values(1,DATE'2021-11-29',DATETIME'2021-11-29 00:01:00',TIMESTAMP'2021-01-11 00:00:00.123456789',DATE'2021-10-29',DATETIME'2021-10-29 00:00:00',TIMESTAMP'2021-10-11 00:00:00.123456789','2021-11-20...
select extract(year from '2019-05-01 11:21:00')year,extract(month from '2019-05-01 11:21:00')month,extract(day from '2019-05-01 11:21:00')day,extract(hour from '2019-05-01 11:21:00')hour,extract(minute from '2019-05-01 11:...
charge,avg(l_quantity)as avg_qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order FROM lineitem WHERE l_shipdate<= date '1998-12-01'-interval '$1' day-动态条件$1=取值范围为[60,120]GROUP BY l...
SELECT last_day('2018-06-01');返回信息如下:last_day-2018-06-30(1 row)next_day(value date,weekday text)参数一:开始的日期。参数二:包含星期几的英文字符串,如Friday。返回开始日期后的第二个星期几的日期,如第二个Friday。...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '120' day group by l_returnflag,l_linestatus order by l_returnflag,l_...
qty,avg(l_extendedprice)as avg_price,avg(l_discount)as avg_disc,count(*)as count_order from lineitem where l_shipdate<= date '1998-12-01'-interval '90' day group by l_returnflag,l_linestatus order by l_returnflag,l_...
qty,avg(l_extendedprice)AS avg_price,avg(l_discount)AS avg_disc,count(*)AS count_order FROM lineitem WHERE l_shipdate<= date '1998-12-01'-interval '90' day GROUP BY l_returnflag,l_linestatus ORDER BY l_returnflag,l_...
3 3,8 8,10 10,9 9,8 8)','2000-01-01','2000-01-01':timestamp+'1 day':interval*(ST_NPoints('LINESTRING(1 1,2 2,3 3,10 10,11 11,12 12,13 13,3 3,2 2,2 2,3 3,8 8,10 10,9 9,8 8)')-1),'{}')AS traj)tj;st_astext|point|startt|endt-+...
示例 SELECT ST_CurvatureRadius(ST_MakeTrajectory('STPOINT':leaftype,'LINESTRING(0 0,0 8,6 8,12 8,12 8)','2000-01-01','2000-01-01':timestamp+'1 day':interval*(ST_NPoints('LINESTRING(0 0,0 8,6 8,12 8,12 8)')-1),'{}'));...
示例 SELECT ST_Angle(ST_MakeTrajectory('STPOINT':leaftype,'LINESTRING(0 0,0 10,10 10,20 10,30 0,30 0,20 10,0 10,0 0)','2000-01-01','2000-01-01':timestamp+'1 day':interval*(ST_NPoints('LINESTRING(0 0,0 10,10 10,20 10,30 0,...
数学运算符 运算符 描述+加-减*乘/除(整形除法会截断)%模数(余数)日期时间运算符 运算符 示例 结果+date‘2012-08-08’+interval‘2’day 2012-08-10 time‘01:00’+interval‘3’hour 04:00:00.000 timestamp‘2012-08-08 01:00’+...
自动归档冷数据功能Data Lifecycle Management...创建对应的执行EVENT如下:CREATE EVENT dlm_system_base_event ON SCHEDULE EVERY 1 DAY STARTS '2022-10-11 01:00:00' do CALL dbms_dlm.execute_all_dlm_policies();1点后,这个EVENT会...
示例SQL如下:CREATE TABLE sales(id int,date date,amt decimal(10,2))DISTRIBUTED BY(id)PARTITION BY RANGE(date)(START(date '2016-01-01')INCLUSIVE END(date '2017-01-01')EXCLUSIVE EVERY(INTERVAL '1 day'));创建一个按数字范围...