使用mysql添加对应节点 mysql> ALTER SYSTEM ADD BROKER broker1 "hadoop101:8000"; mysql> ALTER SYSTEM ADD BROKER broker2 "hadoop102:8000"; mysql> ALTER SYSTEM ADD BROKER broker3 "hadoop103:8000"; 查看状态 mysql> SHOW PROC "/brokers"\G 注意:将hadoop集群下的配置文件进行复制才可以启动broker与hdf...
use test_cdc;CREATETABLEIFNOTEXISTS`runoob_tbl`( `runoob_id`INTUNSIGNED AUTO_INCREMENT, `runoob_title`VARCHAR(100)NOTNULL, `runoob_author`VARCHAR(40)NOTNULL, `submission_date`DATE, `add_col`intDEFAULTNULL,PRIMARYKEY ( `runoob_id` ) )ENGINE=InnoDBDEFAULTCHARSET=utf8;INSERTINTOtest_cdc.`runoo...
DATE_ADD(CURDATE(), INTERVAL 6-WEEKDAY(CURDATE()) DAY) AS end_date; 上述SQL语句中,先使用WEEKDAY函数获取当前日期是星期几,然后用DATE_SUB函数获取当前日期所在周的起始日期,用DATE_ADD函数获取当前日期所在周的结束日期。 2.获取指定日期所在周的起始日期和结束日期 SELECT DATE_SUB('2022-01-15', INTER...
date day dayofmonth day dayofyear weekofyear week hour minute second years_add years_sub months_add months_sub add_months weeks_add weeks_sub days_add days_sub date_add date_sub adddate subdate hours_add hours_sub minutes_add minutes_sub seconds_add...
use test_cdc;CREATETABLEIFNOTEXISTS`runoob_tbl`( `runoob_id`INTUNSIGNED AUTO_INCREMENT, `runoob_title`VARCHAR(100)NOTNULL, `runoob_author`VARCHAR(40)NOTNULL, `submission_date`DATE, `add_col`intDEFAULTNULL,PRIMARYKEY ( `runoob_id` ) )ENGINE=InnoDBDEFAULTCHARSET=utf8;INSERTINTOtest_cdc.`runoo...
mysql> ALTER SYSTEM ADD BACKEND "hadoop02:9050"; 1. 这里IP地址为和priority_networks设置匹配的IP,portheartbeat_service_port,默认为9050 如出现错误,需要删除BE节点,应用下列命令: alter system decommission backend "be_host:be_heartbeat_service_port"; ...
DATE_SUB(CURDATE(), INTERVAL WEEKDAY(CURDATE()) DAY) AS start_date, DATE_ADD(CURDATE(), INTERVAL 6-WEEKDAY(CURDATE()) DAY) AS end_date; 上述 SQL 语句中,先使用 WEEKDAY 函数获取当前日期是星期几, 然后用 DATE_SUB 函数获取当前日期所在周的起始日期,用 DATE_ADD 函数获取当前日期所在周的结束...
CREATE TABLE IF NOT EXISTS orders ( create_time DATE NOT NULL COMMENT "create time of an order", order_id BIGINT NOT NULL COMMENT "id of an order", order_state INT COMMENT "state of an order", total_price BIGINT COMMENT "price of an order" ) UNIQUE KEY(create_time, order_id) DI...
use test_cdc;CREATETABLEIFNOTEXISTS`runoob_tbl`( `runoob_id`INTUNSIGNED AUTO_INCREMENT, `runoob_title`VARCHAR(100)NOTNULL, `runoob_author`VARCHAR(40)NOTNULL, `submission_date`DATE, `add_col`intDEFAULTNULL,PRIMARYKEY ( `runoob_id` ) )ENGINE=InnoDBDEFAULTCHARSET=utf8;INSERTINTOtest_cdc.`runoo...
startdate='${zdt.format("yyyy-MM-01")}'endDate='${zdt.add(2,1).format("yyyy-MM-01")}'表设计:PARTITIONBYRANGE(dt)(Start("2019-01-01")End("2023-03-01")Every(Interval1month))DISTRIBUTEDBYHASH(分桶字段)BUCKETS桶的数量PROPERTIES("dynamic_partition.enable"="true","dynamic_partition.pre...