当 SET CONSTRAINTS 把一个约束的模式从 DEFERRED 改成 IMMEDIATE 时，新模式会有追溯效果：任何还没有解决的数据修改（本来会在事务结束时被检查）会转而在 SET CONSTRAINTS 命令的执行期间被检查。如果任何这种约束被违背，SET ...
8个 character_set 变量：一、character_set_client 二、character_set_connection 三、character_set_database 四、character_set_filesystem 五、character_set_results 六、character_set_server 七、character_set_system 八、...
set with(domain='apm',name='apm.service')|entity-call_list_method_()-发现关联数据集.entity_set with(domain='apm',name='apm.service')|entity-call list_data_set(['metric_set'],true)-发现相关实体.entity_set with(domain='apm',...
语法规范如下：SET {[projectName DOT]tableName DOT { propertyName|WATERMARK|computedColumn|primaryKey|procTime|{fieldName DOT isHeader } } } EQ {@variable=identifier|@variable=literal|@variable=expression } 设置WITH参数时，...
语法规范如下：SET {[projectName DOT]tableName DOT { propertyName|WATERMARK|computedColumn|primaryKey|procTime|{fieldName DOT isHeader } } } EQ {@variable=identifier|@variable=literal|@variable=expression } 设置WITH参数时，...
Hologres V2.2版本开始，支持通过动态分区配置表中的 schd_start_time 属性来自定义分区调度时间，即自定义设置分区表创建、删除、转冷的时间。Hologres V3.0.12版本开始，新增参数 auto_partitioning_time_format，用于指定分区键日期时间...
ALTER COLUMN SET STATISTICS 无影响 无 ALTER COLUMN RESET/SET(attribute_option=value)无影响 无 ALTER COLUMN SET STORAGE 无影响 无 ADD table_constraint 无影响 无 DROP table_constraint 无影响 无 ADD table_constraint_using_...
查询和分析语句*|SELECT Time,cardinality(UV)AS UV FROM(SELECT date_trunc('minute',_time_)AS Time,approx_set(client_ip)AS UV FROM website_log GROUP BY Time ORDER BY Time)AS UV 查询和分析结果 empty_approx_set函数 empty_approx...
普通模式 set odps.sql.hive.compatible=false;select cast((a&b)as string)from values(-9223372036854775807L,-9223372036854775792L)t(a,b);返回NULL Hive兼容模式 set odps.sql.hive.compatible=true;select cast((a&b)as string)from ...
命令格式 BIGINT FIND_IN_SET(STRING str1,STRING str2[,STRING delimiter])参数说明 参数 是否必填 说明 str1 是 STRING类型。待查找的字符串。str2 是 STRING类型。以分隔符 delimiter 分隔的字符串。delimiter 否 STRING类型常量。缺省...
函数示例 原始日志 test:test 加工规则 e_set("new",bin2oct(base64_decoding("ARi8WnFiLAAACHcAGgkADV37Xs8BXftezgAdqwF9")))加工结果 test:test new:214274264705421300000002073400064044000325677327547401273755366340003552600575 ...
str_isidentifier 判断字符串是否是有效的Python标识符，也可以用来判断变量名是否合法。str_islower 判断字符串是否由小写字母组成。str_isnumeric 判断字符串是否由数字组成。str_isprintable 判断字符串中是否所有字符都是可打印字符。...
set hg_enable_start_auto_analyze_worker=on;hg_auto_check_table_changes_interval 默认值为 10min。set hg_auto_check_table_changes_interval='10min';hg_auto_check_foreign_table_changes_interval 默认值为 4h。set hg_auto_check_...
Variable_name|Value|+-+-+|character_set_client|utf8mb4|character_set_connection|utf8mb4|character_set_database|utf8|character_set_filesystem|binary|character_set_results|utf8mb4|character_set_server|utf8|character_set_...
aliyun_test1"set dstintf"port4"set srcaddr"all"set dstaddr"all"set action accept set schedule"always"set service"ALL"next edit 3 set name"forti_to_aliyun2"#Specify the traffic that is allowed from the FortiGate firewall to...
whether committed or not.A special case is SET followed by SET LOCAL within a single transaction:the SET LOCAL value will be seen until the end of the transaction,but afterwards(if the transaction is committed)the SET ...
Resource Orchestration Service(ROS)applies changes that are contained in a change set to a stack only after you execute the change set.This topic describes how to execute a change set.Prerequisites A change set is created....
You can execute the SET NAMES statement to specify character sets.This statement sets character_set_client,character_set_connection,and character_set_results to the specified character set.Syntax SET NAMES {'charset_name'...
configure the Name parameter and click OK.In the left-side navigation tree,the created API sets are displayed below Default Set.The following list describes the operations that you can perform on an API set:Click the icon ...
If your change set is no longer used or can no longer meet your business requirements,you can delete the change set at the earliest opportunity.This prevents the change set from being improperly executed to update the ...
the principal's account is charged for all related fees.The sharer's account is not charged.Permissions for sharers and principals After a deployment set is shared,the permissions for the sharer and the principal are ...
Sharing database backups with other teams or partners for data analysis,testing,or migration often involves slow and complex data exports.The shared backup set feature in PolarDB simplifies this process.This feature is ...
Sharing database backups with other teams or partners for data analysis,testing,or migration often involves slow and complex data exports.The shared backup set feature in PolarDB simplifies this process.This feature is ...
Sharing database backups with other teams or partners for data analysis,testing,or migration often involves slow and complex data exports.The shared backup set feature in PolarDB simplifies this process.This feature is ...
Change sets can help you preview the impacts of changes to stacks before you ...set overview A change set contains changes that are implemented to manage and execute a template.You can use a change set to manage and update ...
This article introduces the syntax,examples,and other content of SET ROLE.Description This command sets the current user identifier of the current SQL session to be role_name.The role name can be written as either an ...
Change sets can help you manage various types of imported cloud resources.This topic describes how to use a change set to create a stack in Resource Orchestration Service(ROS).Scenario If you want to manage a large number ...
this set operation is used to filter data for further evaluation.JOIN Data in Set B is added to Set A and aligned by field.INNER JOIN Only data that exists in Set B is retained in Set A.Set B is the whitelist of Set A.LEFT...
Sets the user identifier of the current session.Syntax SET ROLE { rolename|NONE } Description This command sets the user identifier of the current SQL session context to rolename.After you run the SET ROLE command,...
Collation naming conventions The name of a collation must start with the name of the character set that corresponds to the collation and end with_ci,_cs,or_bin._ci indicates that characters are not case-sensitive._cs ...
you can update the stack by using a change set.For example,a change set can help you preview whether key resources are deleted or replaced by a stack update.You can create a change set to update a stack.The change set ...
A data standard set is a collection of standards with similar or consistent business meanings.It functions as a specialized directory that,in addition to classification,defines viewing permissions and approval ...
Provides a ROS Change Set resource.For information about ROS Change Set and how to use it,see What is Change Set.-NOTE:Available since v1.105.0.Example Usage Basic Usage resource"random_integer""default"{ min=10000 max=...
AnalyticDB for MySQL provides a result set cache to avoid redundant computations and accelerate queries.This topic describes the limits and usage of the result set cache in AnalyticDB for MySQL.Prerequisites The kernel ...
Provides a VPC Dhcp Options Set resource.DHCP option set.For information about VPC Dhcp Options Set and how to use it,see What is Dhcp Options Set.-NOTE:Available since v1.134.0.Example Usage Basic Usage variable"name"{ ...