不支持异常类型

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_...

常见报错

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...

事务管理

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 BEGINENDPL/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...

alicloud_db_instance

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 ...

Oracle应用迁移至云原生数据仓库 AnalyticDB ...

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:...

PolarDB PostgreSQL(兼容Oracle)2.0版本商业化公告

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 ...

PolarDB PostgreSQL(兼容Oracle)2.0版本与1.0版本...

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 ...

pldbgapi

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...

示例数据库描述

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 ...

使用场景

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...

alicloud_polardb_cluster

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...

alicloud_disk

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 ...

alicloud_rds_ddr_instance

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....

PL/SQL中不支持调用其他语言代码

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:...

alicloud_ecs_launch_template

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...

Ganos插件如何升级

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 ...

Ganos插件如何升级

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 ...

alicloud_instance

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 ...

alicloud_ecs_disk

(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 ...

开发运维建议

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...

CREATE FUNCTION

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 ...

alicloud_ons_topic

(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...

错误码

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 ...

alicloud_ons_instance

(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...

alicloud_ons_group

(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...

alicloud_adb_clusters

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 ...

ALIYUN:RDS:DBInstanceClone

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 ...

DBMS_RLS

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...

Hologres SQL语句的常见问题

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 ...

错误码

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 ...

错误代码

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 ...

错误码参考

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

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...

alicloud_dns_domain

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...

alicloud_polardb_clusters

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...

alicloud_cddc_dedicated_propre_host

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_...

alicloud_adb_cluster

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://",...

alicloud_cddc_dedicated_propre_host

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 ...

alicloud_alidns_domain

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 ...

DBMS_AQ

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...
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