explain select count(*)from t1 join t2 on t1.id=t2.id group by t1.name,t2.name order by t1.name,t2.name;Project(count(*)="count(*)")MemSort(sort="name ASC,name0 ASC")HashAgg(group="name,name0",count(*)="COUNT()")BKAJoin...
调用某些物模型相关API时，请求参数或返回参数中包含参数 ThingModelJson，该参数的取值格式为物模型功能定义在物联网平台系统的存储结构，与TSL中的数据结构有所不同。ThingModelJson中所有字段按照key的字符排序。物模型功能定义的限制...
需要注意的重要事项是，所有的field value都在 ACOS()函数的可计算范围里（-1到1）：SELECT"of_capacity"FROM"park_occupancy"WHERE time>='2017-05-01T00:00:00Z' AND time<='2017-05-09T00:00:00Z' name:park_occupancy time capacity-...
\"testfuxian\",\t\t\"groupFather\":0,\t\t\"groupId\":11501234,\t\t\"childGroups\":[],\t\t\"groupLevel\":1,\t\t\"groupIndex\":100,\t\t\"groupFlag\":1 \t},\t{ \t\t\"groupName\":\"testfuxian\",\t\t\"groupFather\":0,\t\t\...
DELETE t1,t2 FROM t1 INNER JOIN t2 INNER JOIN t3 WHERE t1.id=t2.id AND t2.id=t3.name LIMIT 10001;DELETE FROM t1,t2 USING t1 INNER JOIN t2 INNER JOIN t3 WHERE t1.id=t2.id AND t2.id=t3.name LIMIT 10001;说明 t1、t2和t3的拆分...
INTERFACE_EXPORT(hello,(add)(sub))INTERFACE_EXPORT 导出方法仅支持以下类型的参数：int8_t uint8_t int16_t uint16_t int32_t uint32_t int64_t uint64_t bool std:string Identity std:vector<T>（“T”仅限于上面的类型，如 std:...
INTERFACE_EXPORT(hello,(add)(sub))INTERFACE_EXPORT 导出方法仅支持以下类型的参数：int8_t uint8_t int16_t uint16_t int32_t uint32_t int64_t uint64_t bool std:string Identity std:vector<T>（“T”仅限于上面的类型，如 std:...
示例如下：SELECT a FROM t WHERE EXISTS(SELECT/*+subq1*/t2.a FROM t2 WHERE t2.a>10)AND EXISTS(SELECT/*+subq2*/t2.a FROM t2)从上述示例中可以看出，左侧 subq1 的条件更严格，结果集更小，是右侧 subq2 集合的子集，所以称为左子集。...
参数说明 参数 数据类型 方向 说明 handle uintptr_t 输入 TLS连接句柄 返回值说明 值 说明操作失败=0 操作成功 HAL_SSL_Establish 接口原型 uintptr_t HAL_SSL_Establish(_IN_const char*host,_IN_uint16_t port,_IN_const char*ca_crt,_...
如下示例使用了MemSort算子：explain select t1.name from t1 join t2 on t1.id=t2.id order by t1.name,t2.name;返回信息如下：Project(name="name")MemSort(sort="name ASC,name0 ASC")Project(name="name",name0="name0")BKAJoin...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
A32_14_,ALL_T_1_.`code` AS T_A51_15_,ALL_T_1_.`income` AS T_AC2_16_,ALL_T_1_.`business_type` AS T_AC5_17_,ALL_T_1_.`time` AS T_AED_18_,ALL_T_1_.`account_serial_number` AS T_A49_19_,ALL_T_1_.`pid` AS T_AF1_20_,ALL_T_1_.`...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
insert into t_result select t1.day,t2.brand,t1.groupid,t3.tag1,t3.tag2,t3.tag3,.count(1)as cnt,array_agg(uid)as uids,hll_add_agg(hll_hash_integer(uid))as hll_uids from t1,t2,t3 where t1.uid=t3.uid and t1.uid=t2.uid group ...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
查看SQL语句的查询计划：EXPLAIN FORMAT=TREE SELECT/*+PQ_DISTRIBUTE(t1 PQ_NONE)PQ_DISTRIBUTE(t2 PQ_NONE)*/*FROM t1 JOIN t2 ON t1.c1=t2.c2;如下是上述2个表的JOIN查询计划：EXPLAIN FORMAT=TREE EXPLAIN->Gather(slice:1;workers:4)...
调用DescribeScdnDomainPvData获取加速域名最小1小时粒度的PV页面访问的统计数据。说明 仅支持一个域名，或当前用户下所有域名。最多可获取最近90天的数据。不指定 StartTime和 EndTime...BB75-C810DE34C761</RequestId><DomainName>example....
segments:6)->Append->Hash Join Hash Cond:(t2_p1.id=t3_p1.id)->Partial Seq Scan on t2_p1->Hash->Full Seq Scan on t3_p1->Hash Join Hash Cond:(t2_p2.id=t3_p2.id)->Partial Seq Scan on t2_p2->Hash->Full Seq Scan on t3_p2->Hash ...
int32_t HAL_AT_Uart_Deinit(uart_dev_t*uart)int32_t HAL_AT_Uart_Init(uart_dev_t*uart)int32_t HAL_AT_Uart_Recv(uart_dev_t*uart,void*data,uint32_t expect_size,uint32_t*recv_size,uint32_t timeout)int32_t HAL_AT_Uart_Send(uart_...
[\t\t\"*\"\t],\t\"settings\":{.}.}","templateName":"indexTemplate"},{"content":"{ \t\"persistent\":{ \t\t\"search\":{ \t\t\t\"max_buckets\":\"10000\"\t\t} \t} }","templateName":"dynamicSettings"}],"RequestId":"66B060CF-...
int32_t HAL_AT_Uart_Deinit(uart_dev_t*uart)int32_t HAL_AT_Uart_Init(uart_dev_t*uart)int32_t HAL_AT_Uart_Recv(uart_dev_t*uart,void*data,uint32_t expect_size,uint32_t*recv_size,uint32_t timeout)int32_t HAL_AT_Uart_Send(uart_...
根据指定的微服务名称，上下文、最大命令ID，创建微服务，创建成功返回 uservice_t 指针，失败返回NULL 参数：name:服务名字 process_rpc:服务远程调用处理函数 context:服务自定义上下文，用户在编写微服务处理函数时，可使用该上下文 ...
参数 无 返回值 返回芯片flash最小擦写单元大小 hal_flash_erase int32_t hal_flash_erase(hal_partition_t pno,uint32_t off_set,uint32_t size);参数 名称 类型 描述 pno hal_partition_t flash 分区ID off_set uint32_t 相对分区起始...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
示例 jindo table-unarchive-o-t db1.t1-p date=2020-03-16,category=1 jindo table-unarchive-i-t db1.t2-status 语法 jindo table-status {-t}[-p]功能 表示查看指定表或者分区的存储状态。示例：查看表db1.t2的状态。jindo table-status...
SELECT t1.key1,t1.key2,t1.col1,t1.col2 FROM table1 t1 LEFT OUTER JOIN table2 t2 ON t1.key1=t2.key1 AND t1.key2=t2.key2 LEFT OUTER JOIN table3 t3 ON t1.key1=t3.key1 AND t1.key2=t3.key2 WHERE t2.key1 IS NULL OR t3.key1 IS ...
}]\"\t\t},\t\t{ \t\t\t\"Field\":\"scope\",\t\t\t\"Necessary\":true,\t\t\t\"Value\":\"$.main_user_id\"\t\t},\t\t{ \t\t\t\"Field\":\"startTime\",\t\t\t\"Necessary\":true \t\t},\t\t{ \t\t\t\"Field\":\"endTime\",\t\t\t\...
返回执行计划信息如下：Project(id="id")HashJoin(condition="id=id AND id=id0",type="inner")Gather(concurrent=true)LogicalView(tables="t2_[0-3],l2_[0-3]",shardCount=4,sql="SELECT `t2`.`id`,`l2`.`id` AS `id0` FROM `t2` AS `t2`...
SupportRegionIds":"[\t\t\t\t\t\"cn-beijing\",\t\t\t\t\t\"cn-hangzhou\",\t\t\t\t\t\"cn-shanghai\" \t\t\t\t]","GmtModified":"2022-10-20T02:19:55Z","Progress":"100","GmtCreate":"2022-10-20T02:19:53Z","ImageDelivery":{"key":...
Project(id="id")HashJoin(condition="id=id AND id=id0",type="inner")Gather(concurrent=true)LogicalView(tables="t2_[0-3],l2_[0-3]",shardCount=4,sql="SELECT `t2`.`id`,`l2`.`id` AS `id0` FROM `t2` AS `t2` INNER JOIN `l2` AS `l...
查询和分析语句*|with T1 AS(SELECT host,avg(request_length)length FROM website_log GROUP BY host),T2 AS(SELECT host,avg(request_length)length FROM access_log GROUP BY host)SELECT T1.host,T1.length,T2.length FROM T1 JOIN T2 ...
按条件在指定分表上执行，有JOIN的情况：SELECT/*+TDDL:scan('t1,t2',condition='t1.id=2 and t2.id=2')*/*FROM t1 a JOIN t2 b ON a.id=b.id WHERE b.name="test"执行后会首先计算出逻辑表 t1 t2 满足 condition 条件的所有物理表，然后...
size_t aos_tty_rx_buffer_produce(aos_tty_t*tty,const void*buf,size_t count);在中断处理程序中使用 aos_tty_rx_buffer_produce 将硬件接收到的数据送入设备软件核心层。参数 count 为硬件接收到的字节数目。驱动程序应在调用该函数之前...
返回结果如下：+-+|id_t|+-+|t1|t2|t2|t3|t3|t3|t3|t3|t3|+-+格式二：select case id when 1 then 't1' when 2 then 't2' else 't3' end as id_t from mf_casewhen;返回结果如下：+-+|id_t|+-+|t1|t2|t3|t3|t3|t3|t3|t3|t3|+-+相关函数 ...
按条件在指定分表上执行，有JOIN的情况：SELECT/*+TDDL:scan('t1,t2',condition='t1.id=2 and t2.id=2')*/*FROM t1 a JOIN t2 b ON a.id=b.id WHERE b.name="test"执行后会首先计算出逻辑表 t1 t2 满足 condition 条件的所有物理表，然后...
t:topic名称 lc-p test_project-t test_topic 重启connector-p:project名称-t:topic名称-c:connectorId，可通过数据同步页签查看 rc-p test_project-t test_topic-c connectorId 更新connector ak-p:project名称-t:topic名称-c:connectorId...
wnum\":126,\t\"prism_wordsInfo\":[{ \t\t\"angle\":89,\t\t\"direction\":0,\t\t\"height\":541,\t\t\"pos\":[{ \t\t\t\"x\":982,\t\t\t\"y\":223 \t\t},{ \t\t\t\"x\":1522,\t\t\t\"y\":223 \t\t},{ \t\t\t\"x\":1522,\t\t\t\"y\":266 \...