unable_to_establish_connection Class P0—PL/pgSQL Error P0000 plpgsql_error P0001 raise_exception P0002 no_data_found P0003 too_many_rows P0004 assert_failure Class XX—Internal Error XX000 internal_error XX001 data_...
本文介绍配置任务和任务运行时系统返回的报错信息(如重试信息或错误码)以及解决方法。说明 本文以正则表达式((.*)?的形式表示报错信息中的变量。若报错无法解决,您可以 通过钉钉(钉钉通讯客户端下载地址)进入到DTS客户交流钉钉群...
在一个事务被使用这些命令结束后,一个新的事务会被自动开始,因此没有单独的 START TRANSACTION 命令(注意 BEGIN 和 END 在 PL/SQL 中有不同的含义)。这里是一个简单的例子:CREATE PROCEDURE transaction_test1()IS BEGIN FOR i IN 0.9...
Provides an RDS instance resource.A DB instance is an isolated database environment in the cloud.A DB instance can contain multiple user-created databases.For information about RDS and how to use it,see What is ApsaraDB ...
end分别为对字符串从start到end这一段进行逆序。SELECT plvstr.rvrs('adb4pg',5,6);返回信息如下:reverse-gp(1 row)plvstr.rvrs(str text,start int)从start开始到字符串结束进行逆序。SELECT plvstr.rvrs('adb4pg',4);返回信息如下:...
例如,PL/pgSQL函数内的 RETURN QUERY 返回结果时支持QUERY的并行计算,REFRESH MATERIALIZED VIEW 命令也可以使用并行查询。此外,支持并行顺序扫描chunk,提高大范围数据扫描的IO吞吐,使其接近块设备的IO吞吐极限。索引增强 PolarDB ...
例如,PL/pgSQL函数内的 RETURN QUERY 返回结果时支持QUERY的并行计算,REFRESH MATERIALIZED VIEW 命令也可以使用并行查询。此外,支持并行顺序扫描chunk,提高大范围数据扫描的IO吞吐,使其接近块设备的IO吞吐极限。索引增强 PolarDB ...
若您需对已有Function(函数)进行开发或调试,可以创建pldbgapi插件并使用PL/pgSQL的调试功能,根据需求设置条件、程序断点、变量值等轻松实现。功能介绍 在 AnalyticDB PostgreSQL版 中,PL/pgSQL是一种用于编写存储过程和用户自定义函数...
Script that creates the 'sample' tables,views,procedures,-functions,triggers,etc.-Start new transaction-commit all or nothing-BEGIN;Create and load tables used in the documentation examples.-Create the 'dept' table-CREATE ...
类似地,一个 FOR x IN query LOOP.END LOOP 形式的 PL/pgSQL 循环也永远不会使用并行计划,因为当并行查询进行时,并行查询系统无法验证循环中的代码执行起来是安全的。使用了任何被标记为 PARALLEL UNSAFE 的函数的查询。大多数系统定义...
It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be up to 128 characters in length.It cannot begin with"aliyun","acs:","http://",or...
and must not begin or end with a hyphen,and must not begin with http:// or https://. Default value is null. description - (Optional)Description of the disk.This description can have a string of 2 to 256 characters,It ...
MM-DD'T'hh:mm'Z'",timeadd(timestamp(),"-24h"))end_time=timestamp()} resource"alicloud_rds_ddr_instance""default"{ engine="MySQL"engine_version="8.0"db_instance_storage_type="local_ssd"instance_type=alicloud_db_instance....
解决方案 使用PolarDB O引擎支持的SPL语言,或Postgresql支持的PL/pgSQL实现相应的业务逻辑。示例 使用Java实现的函数:create or replace function foo return varchar is external language java name 'hello' 改写为SPL语法的函数:...
id-(Optional)The zone ID of the instance.tags-(Optional)A mapping of tags to assign to instance,block storage,and elastic network.Key:It can be up to 64 characters in length.It cannot begin with"aliyun",acs:","http://",or...
pg_catalog|PL/pgSQL procedural language postgis|2.5.4|public|Ganos PostGIS+postgis_sfcgal|2.5.4|public|Ganos PostGIS+postgis_tiger_geocoder|2.5.4|public|Ganos PostGIS+tiger geocoder postgis_topology|2.5.4|public|Ganos ...
pg_catalog|PL/pgSQL procedural language postgis|2.5.4|public|Ganos PostGIS+postgis_sfcgal|2.5.4|public|Ganos PostGIS+postgis_tiger_geocoder|2.5.4|public|Ganos PostGIS+tiger geocoder postgis_topology|2.5.4|public|Ganos ...
Provides a ECS instance resource.->NOTE:Available since ...256,sm4-128.Default value is aes-256.description-(Optional)Description of the instance,This description can have a string of 2 to 256 characters,It cannot begin with ...
(Optional)Indicates whether the disk is released together with the instance.Default value:false.description-(Optional)Description of the disk.This description can have a string of 2 to 256 characters,It cannot begin with ...
存储过程 如果业务逻辑冗长,建议减少数据库和程序之间的交互次数,使用数据库存储过程(如 PL/pgSQL)或内置函数。PostgreSQL内置的PL/pgSQL函数语言提供处理复杂业务逻辑的功能。PostgreSQL还内置了分析函数、聚合函数、窗口函数、普通...
在PL/pgSQL中,使用一个参数名称增加一个整数:CREATE OR REPLACE FUNCTION increment(i integer)RETURNS integer AS$BEGIN RETURN i+1;END;LANGUAGE plpgsql;返回一个包含多个输出参数的记录:CREATE FUNCTION dup(in int,out f1 int,out ...
(Optional,Available in v1.97.0+)A mapping of tags to assign to the resource.Key:It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be...
配置文件错误 F0000 配置文件错误(CONFIG FILE ERROR)F0001 锁文件存在(LOCK FILE EXISTS)P0 类:PL/PGSQL 错误 P0000 PL/PGSQL 错误(PLPGSQL ERROR)P0001 抛出异常(RAISE EXCEPTION)XX 类:内部错误 XX000 内部错误(INTERNAL ...
(Optional,Available in v1.97.0+)A mapping of tags to assign to the resource.Key:It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be...
(Optional,Available in v1.98.0+)A mapping of tags to assign to the resource.Key:It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be...
see Cluster status.tags-(Optional,Available in v1.68.0+)A mapping of tags to assign to the resource.-Key:It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a ...
Type:String Description:|-The network type of the new instance.Valid values:VPC-Classic The default value is the network type of the original instance.RestoreTime:Type:String Description:>-The point in time to which you ...
例如,除了与Oracle兼容的SPL语言外,您还可以使用SQL和PL/pgSQL语言。目前 PolarDB 虚拟私有数据库所支持的数据库对象为表。政策不适用于视图或同义词。使用虚拟私有数据库的优势有以下几点:虚拟私有数据库可以提供细粒度级别的安全访问...
xxx(table id:x,index id:x)in storages or it is deleting 报错:ALTER TABLE ALTER COLUMN SET TYPE is not supported now 报错:current transaction is aborted,commands ignored until end of transaction block 报错:Feature not ...
reply_handle HV00Q fdw_schema_not_found HV00R fdw_table_not_found HV00L fdw_unable_to_create_execution HV00M fdw_unable_to_create_reply HV00N fdw_unable_to_establish_connection 表 42.Class P0—PL/pgSQL Error Error Code ...
reply_handle HV00Q fdw_schema_not_found HV00R fdw_table_not_found HV00L fdw_unable_to_create_execution HV00M fdw_unable_to_create_reply HV00N fdw_unable_to_establish_connection Class P0—PL/pgSQL Error P0000 plpgsql_error ...
否 400 OTSParameterInvalid Begin key must more than end key in BACKWARD.反向查询中,开始键必须大于结束键。否 400 OTSParameterInvalid Repeated rows do not support row exist expectation check in BatchModify.BatchWriteRow中...
ALIYUN:RDS:PrepayDBInstance类型用于创建预付费数据库实例。语法 {"Type":"ALIYUN:RDS:PrepayDBInstance","Properties":{"DBMappings":List,"CouponCode":String,"MasterUsername":String,"PeriodType":String,"DBInstanceNetType":String...
It can be up to 64 characters in length.It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be up to 128 characters in length.It cannot begin with"aliyun","acs:","http://",or...
Oracle and PostgreSQL.If no value is specified,all types are returned.tags-(Optional,Available in v1.68.0+)A mapping of tags to assign to the resource.-Key:It can be up to 64 characters in length.It cannot begin with...
allowing the use of dot(.)to separate characters into multiple segments,each segment allows the use of upper and lower case letters,numbers,but can not use continuous dot(.).Cannot start or end with a dot(.).ecs_instance_...
HH:MMZ-HH:MMZ(UTC time)description-(Optional)The description of cluster.tags-(Optional)A mapping of tags to assign to the resource.Key:It can be up to 64 characters in length.It cannot begin with"aliyun",acs:","http://",...
numbers,but can not use continuous dot(.).Cannot start or end with a dot(.).ecs_instance_name-(Optional,ForceNew)The instance name.It must be 2 to 128 characters in length and must start with an uppercase or lowercase ...
It can be[1,20]characters in length.It can contain A-Z,a-z,numbers,underscores(_),and hyphens(-).It cannot begin with"aliyun","acs:","http://",or"https://". It cannot be a null string.Value:It can be[1,20]characters in ...
dequeue_options_t.navigation DBMS_AQ.NEXT_TRANSACTION(2)常量,必须指定在PL/SQL常量包的范围内的常量。dequeue_options_t.navigation DBMS_AQ.FOREVER(0)如果找不到与搜索词匹配的消息,则持续等待,该参数为默认值。dequeue_options_t...