PostgreSQL 7.4 文档 · 附录 A. PostgreSQL 错误代码

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附录 A. PostgreSQL 错误代码
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附录 A. PostgreSQL 错误代码

PostgreSQL 服务器发出的所有消息都被分配了五字符错误代码，遵循 SQL 标准对“SQLSTATE”代码的约定。需要知道发生了哪一种错误条件的应用，通常应测试错误代码，而不是查看错误消息的文本内容。这些错误代码在不同 PostgreSQL 版本之间更不容易发生变化，也不会因错误消息的本地化而改变。

根据标准，错误代码的前两个字符表示错误的类别，后三个字符表示该类别中的特定条件。因此，即使应用无法识别某个具体错误代码，仍可能从错误类别推断出应采取的操作。

表 A.1列出了 PostgreSQL 7.4.30 中定义的所有错误代码。（其中有些当前实际上并未使用，不过它们由 SQL 标准定义。）错误类别也一并显示。对于每个错误类别，都有一个“标准”错误代码，其最后三个字符为000。该代码只用于那些属于该类别但没有分配更具体代码的错误情况。

表 A.1. PostgreSQL Error Codes

Error Code	Meaning
Class 00	成功完成
`00000`	SUCCESSFUL COMPLETION
Class 01	警告
`01000`	WARNING
`0100C`	WARNING DYNAMIC RESULT SETS RETURNED
`01008`	WARNING IMPLICIT ZERO BIT PADDING
`01003`	WARNING NULL VALUE ELIMINATED IN SET FUNCTION
`01004`	WARNING STRING DATA RIGHT TRUNCATION
Class 02	无数据（按 SQL99 这也是一个警告类别）
`02000`	NO DATA
`02001`	NO ADDITIONAL DYNAMIC RESULT SETS RETURNED
Class 03	SQL 语句尚未完成
`03000`	SQL STATEMENT NOT YET COMPLETE
Class 08	连接异常
`08000`	CONNECTION EXCEPTION
`08003`	CONNECTION DOES NOT EXIST
`08006`	CONNECTION FAILURE
`08001`	SQLCLIENT UNABLE TO ESTABLISH SQLCONNECTION
`08004`	SQLSERVER REJECTED ESTABLISHMENT OF SQLCONNECTION
`08007`	TRANSACTION RESOLUTION UNKNOWN
`08P01`	PROTOCOL VIOLATION
Class 09	触发动作异常
`09000`	TRIGGERED ACTION EXCEPTION
Class 0A	不支持的特性
`0A000`	FEATURE NOT SUPPORTED
Class 0B	无效的事务启动
`0B000`	INVALID TRANSACTION INITIATION
Class 0F	定位器异常
`0F000`	LOCATOR EXCEPTION
`0F001`	INVALID SPECIFICATION
Class 0L	无效的授权者
`0L000`	INVALID GRANTOR
`0LP01`	INVALID GRANT OPERATION
Class 0P	无效的角色规范
`0P000`	INVALID ROLE SPECIFICATION
Class 21	基数违反
`21000`	CARDINALITY VIOLATION
Class 22	数据异常
`22000`	DATA EXCEPTION
`2202E`	ARRAY ELEMENT ERROR
`22021`	CHARACTER NOT IN REPERTOIRE
`22008`	DATETIME FIELD OVERFLOW
`22012`	DIVISION BY ZERO
`22005`	ERROR IN ASSIGNMENT
`2200B`	ESCAPE CHARACTER CONFLICT
`22022`	INDICATOR OVERFLOW
`22015`	INTERVAL FIELD OVERFLOW
`22018`	INVALID CHARACTER VALUE FOR CAST
`22007`	INVALID DATETIME FORMAT
`22019`	INVALID ESCAPE CHARACTER
`2200D`	INVALID ESCAPE OCTET
`22025`	INVALID ESCAPE SEQUENCE
`22010`	INVALID INDICATOR PARAMETER VALUE
`22020`	INVALID LIMIT VALUE
`22023`	INVALID PARAMETER VALUE
`2201B`	INVALID REGULAR EXPRESSION
`22009`	INVALID TIME ZONE DISPLACEMENT VALUE
`2200C`	INVALID USE OF ESCAPE CHARACTER
`2200G`	MOST SPECIFIC TYPE MISMATCH
`22004`	NULL VALUE NOT ALLOWED
`22002`	NULL VALUE NO INDICATOR PARAMETER
`22003`	NUMERIC VALUE OUT OF RANGE
`22026`	STRING DATA LENGTH MISMATCH
`22001`	STRING DATA RIGHT TRUNCATION
`22011`	SUBSTRING ERROR
`22027`	TRIM ERROR
`22024`	UNTERMINATED C STRING
`2200F`	ZERO LENGTH CHARACTER STRING
`22P01`	FLOATING POINT EXCEPTION
`22P02`	INVALID TEXT REPRESENTATION
`22P03`	INVALID BINARY REPRESENTATION
`22P04`	BAD COPY FILE FORMAT
`22P05`	UNTRANSLATABLE CHARACTER
Class 23	完整性约束违反
`23000`	INTEGRITY CONSTRAINT VIOLATION
`23001`	RESTRICT VIOLATION
`23502`	NOT NULL VIOLATION
`23503`	FOREIGN KEY VIOLATION
`23505`	UNIQUE VIOLATION
`23514`	CHECK VIOLATION
Class 24	无效的游标状态
`24000`	INVALID CURSOR STATE
Class 25	无效的事务状态
`25000`	INVALID TRANSACTION STATE
`25001`	ACTIVE SQL TRANSACTION
`25002`	BRANCH TRANSACTION ALREADY ACTIVE
`25008`	HELD CURSOR REQUIRES SAME ISOLATION LEVEL
`25003`	INAPPROPRIATE ACCESS MODE FOR BRANCH TRANSACTION
`25004`	INAPPROPRIATE ISOLATION LEVEL FOR BRANCH TRANSACTION
`25005`	NO ACTIVE SQL TRANSACTION FOR BRANCH TRANSACTION
`25006`	READ ONLY SQL TRANSACTION
`25007`	SCHEMA AND DATA STATEMENT MIXING NOT SUPPORTED
`25P01`	NO ACTIVE SQL TRANSACTION
`25P02`	IN FAILED SQL TRANSACTION
Class 26	无效的 SQL 语句名称
`26000`	INVALID SQL STATEMENT NAME
Class 27	触发的数据更改违反
`27000`	TRIGGERED DATA CHANGE VIOLATION
Class 28	无效的授权规范
`28000`	INVALID AUTHORIZATION SPECIFICATION
Class 2B	仍存在依赖的权限描述符
`2B000`	DEPENDENT PRIVILEGE DESCRIPTORS STILL EXIST
`2BP01`	DEPENDENT OBJECTS STILL EXIST
Class 2D	无效的事务终止
`2D000`	INVALID TRANSACTION TERMINATION
Class 2F	SQL 例程异常
`2F000`	SQL ROUTINE EXCEPTION
`2F005`	FUNCTION EXECUTED NO RETURN STATEMENT
`2F002`	MODIFYING SQL DATA NOT PERMITTED
`2F003`	PROHIBITED SQL STATEMENT ATTEMPTED
`2F004`	READING SQL DATA NOT PERMITTED
Class 34	无效的游标名称
`34000`	INVALID CURSOR NAME
Class 38	外部例程异常
`38000`	EXTERNAL ROUTINE EXCEPTION
`38001`	CONTAINING SQL NOT PERMITTED
`38002`	MODIFYING SQL DATA NOT PERMITTED
`38003`	PROHIBITED SQL STATEMENT ATTEMPTED
`38004`	READING SQL DATA NOT PERMITTED
Class 39	外部例程调用异常
`39000`	EXTERNAL ROUTINE INVOCATION EXCEPTION
`39001`	INVALID SQLSTATE RETURNED
`39004`	NULL VALUE NOT ALLOWED
`39P01`	TRIGGER PROTOCOL VIOLATED
`39P02`	SRF PROTOCOL VIOLATED
Class 3D	无效的目录名称
`3D000`	INVALID CATALOG NAME
Class 3F	无效的模式名称
`3F000`	INVALID SCHEMA NAME
Class 40	事务回卷
`40000`	TRANSACTION ROLLBACK
`40002`	INTEGRITY CONSTRAINT VIOLATION
`40001`	SERIALIZATION FAILURE
`40003`	STATEMENT COMPLETION UNKNOWN
`40P01`	DEADLOCK DETECTED
Class 42	语法错误或访问规则违反
`42000`	SYNTAX ERROR OR ACCESS RULE VIOLATION
`42601`	SYNTAX ERROR
`42501`	INSUFFICIENT PRIVILEGE
`42846`	CANNOT COERCE
`42803`	GROUPING ERROR
`42830`	INVALID FOREIGN KEY
`42602`	INVALID NAME
`42622`	NAME TOO LONG
`42939`	RESERVED NAME
`42804`	DATATYPE MISMATCH
`42P18`	INDETERMINATE DATATYPE
`42809`	WRONG OBJECT TYPE
`42703`	UNDEFINED COLUMN
`42883`	UNDEFINED FUNCTION
`42P01`	UNDEFINED TABLE
`42P02`	UNDEFINED PARAMETER
`42704`	UNDEFINED OBJECT
`42701`	DUPLICATE COLUMN
`42P03`	DUPLICATE CURSOR
`42P04`	DUPLICATE DATABASE
`42723`	DUPLICATE FUNCTION
`42P05`	DUPLICATE PSTATEMENT
`42P06`	DUPLICATE SCHEMA
`42P07`	DUPLICATE TABLE
`42712`	DUPLICATE ALIAS
`42710`	DUPLICATE OBJECT
`42702`	AMBIGUOUS COLUMN
`42725`	AMBIGUOUS FUNCTION
`42P08`	AMBIGUOUS PARAMETER
`42P09`	AMBIGUOUS ALIAS
`42P10`	INVALID COLUMN REFERENCE
`42611`	INVALID COLUMN DEFINITION
`42P11`	INVALID CURSOR DEFINITION
`42P12`	INVALID DATABASE DEFINITION
`42P13`	INVALID FUNCTION DEFINITION
`42P14`	INVALID PSTATEMENT DEFINITION
`42P15`	INVALID SCHEMA DEFINITION
`42P16`	INVALID TABLE DEFINITION
`42P17`	INVALID OBJECT DEFINITION
Class 44	违反 WITH CHECK OPTION
`44000`	WITH CHECK OPTION VIOLATION
Class 53	资源不足
`53000`	INSUFFICIENT RESOURCES
`53100`	DISK FULL
`53200`	OUT OF MEMORY
`53300`	TOO MANY CONNECTIONS
Class 54	超出程序限制
`54000`	PROGRAM LIMIT EXCEEDED
`54001`	STATEMENT TOO COMPLEX
`54011`	TOO MANY COLUMNS
`54023`	TOO MANY ARGUMENTS
Class 55	对象未处于先决状态
`55000`	OBJECT NOT IN PREREQUISITE STATE
`55006`	OBJECT IN USE
`55P02`	CANT CHANGE RUNTIME PARAM
Class 57	操作员干预
`57000`	OPERATOR INTERVENTION
`57014`	QUERY CANCELED
`57P01`	ADMIN SHUTDOWN
`57P02`	CRASH SHUTDOWN
`57P03`	CANNOT CONNECT NOW
Class 58	系统错误（PostgreSQL 本身之外的错误）
`58030`	IO ERROR
`58P01`	UNDEFINED FILE
`58P02`	DUPLICATE FILE
Class F0	配置文件错误
`F0000`	CONFIG FILE ERROR
`F0001`	LOCK FILE EXISTS
Class XX	内部错误
`XX000`	INTERNAL ERROR
`XX001`	DATA CORRUPTED
`XX002`	INDEX CORRUPTED

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