PostgreSQL Error Codes
error codes
list of
All messages emitted by the PostgreSQL
server are assigned five-character error codes that follow the SQL
standard's conventions for SQLSTATE> codes. Applications
that need to know which error condition has occurred should usually
test the error code, rather than looking at the textual error
message. The error codes are less likely to change across
PostgreSQL> releases, and also are not subject to
change due to localization of error messages. Note that some, but
not all, of the error codes produced by PostgreSQL>
are defined by the SQL standard; some additional error codes for
conditions not defined by the standard have been invented or
borrowed from other databases.
According to the standard, the first two characters of an error code
denote a class of errors, while the last three characters indicate
a specific condition within that class. Thus, an application that
does not recognize the specific error code may still be able to infer
what to do from the error class.
lists all the error codes defined in
PostgreSQL &version;. (Some are not actually
used at present, but are defined by the SQL standard.)
The error classes are also shown. For each error class there is a
standard> error code having the last three characters
000>. This code is used only for error conditions that fall
within the class but do not have any more-specific code assigned.
The PL/pgSQL> condition name for each error code is the
same as the phrase shown in the table, with underscores substituted
for spaces. For example, code 22012>, DIVISION BY ZERO,
has condition name DIVISION_BY_ZERO>. Condition names can
be written in either upper or lower case. (Note that
PL/pgSQL> does not recognize warning, as opposed to error,
condition names; those are classes 00, 01, and 02.)
PostgreSQL Error Codes
Error Code
Meaning
Class 00
Successful Completion
0
SUCCESSFUL COMPLETION
successful_completion
Class 01
Warning
1000
WARNING
warning
0100C
DYNAMIC RESULT SETS RETURNED
dynamic_result_sets_returned
1008
IMPLICIT ZERO BIT PADDING
implicit_zero_bit_padding
1003
NULL VALUE ELIMINATED IN SET FUNCTION
null_value_eliminated_in_set_function
1007
PRIVILEGE NOT GRANTED
privilege_not_granted
1006
PRIVILEGE NOT REVOKED
privilege_not_revoked
1004
STRING DATA RIGHT TRUNCATION
string_data_right_truncation
01P01
DEPRECATED FEATURE
deprecated_feature
Class 02
No Data — this is also a warning class per the SQL standard
2000
NO DATA
no_data
2001
NO ADDITIONAL DYNAMIC RESULT SETS RETURNED
no_additional_dynamic_result_sets_returned
Class 03
SQL Statement Not Yet Complete
3000
SQL STATEMENT NOT YET COMPLETE
sql_statement_not_yet_complete
Class 08
Connection Exception
8000
CONNECTION EXCEPTION
connection_exception
8003
CONNECTION DOES NOT EXIST
connection_does_not_exist
8006
CONNECTION FAILURE
connection_failure
8001
SQLCLIENT UNABLE TO ESTABLISH SQLCONNECTION
sqlclient_unable_to_establish_sqlconnection
8004
SQLSERVER REJECTED ESTABLISHMENT OF SQLCONNECTION
sqlserver_rejected_establishment_of_sqlconnection
8007
TRANSACTION RESOLUTION UNKNOWN
transaction_resolution_unknown
08P01
PROTOCOL VIOLATION
protocol_violation
Class 09
Triggered Action Exception
9000
TRIGGERED ACTION EXCEPTION
triggered_action_exception
Class 0A
Feature Not Supported
0A000
FEATURE NOT SUPPORTED
feature_not_supported
Class 0B
Invalid Transaction Initiation
0B000
INVALID TRANSACTION INITIATION
invalid_transaction_initiation
Class 0F
Locator Exception
0F000
LOCATOR EXCEPTION
locator_exception
0F001
INVALID LOCATOR SPECIFICATION
invalid_locator_specification
Class 0L
Invalid Grantor
0L000
INVALID GRANTOR
invalid_grantor
0LP01
INVALID GRANT OPERATION
invalid_grant_operation
Class 0P
Invalid Role Specification
0P000
INVALID ROLE SPECIFICATION
invalid_role_specification
Class 21
Cardinality Violation
21000
CARDINALITY VIOLATION
cardinality_violation
Class 22
Data Exception
22000
DATA EXCEPTION
data_exception
2202E
ARRAY SUBSCRIPT ERROR
array_subscript_error
22021
CHARACTER NOT IN REPERTOIRE
character_not_in_repertoire
22008
DATETIME FIELD OVERFLOW
datetime_field_overflow
22012
DIVISION BY ZERO
division_by_zero
22005
ERROR IN ASSIGNMENT
error_in_assignment
2200B
ESCAPE CHARACTER CONFLICT
escape_character_conflict
22022
INDICATOR OVERFLOW
indicator_overflow
22015
INTERVAL FIELD OVERFLOW
interval_field_overflow
2201E
INVALID ARGUMENT FOR LOGARITHM
invalid_argument_for_logarithm
2201F
INVALID ARGUMENT FOR POWER FUNCTION
invalid_argument_for_power_function
2201G
INVALID ARGUMENT FOR WIDTH BUCKET FUNCTION
invalid_argument_for_width_bucket_function
22018
INVALID CHARACTER VALUE FOR CAST
invalid_character_value_for_cast
22007
INVALID DATETIME FORMAT
invalid_datetime_format
22019
INVALID ESCAPE CHARACTER
invalid_escape_character
2200D
INVALID ESCAPE OCTET
invalid_escape_octet
22025
INVALID ESCAPE SEQUENCE
invalid_escape_sequence
22P06
NONSTANDARD USE OF ESCAPE CHARACTER
nonstandard_use_of_escape_character
22010
INVALID INDICATOR PARAMETER VALUE
invalid_indicator_parameter_value
22020
INVALID LIMIT VALUE
invalid_limit_value
22023
INVALID PARAMETER VALUE
invalid_parameter_value
2201B
INVALID REGULAR EXPRESSION
invalid_regular_expression
22009
INVALID TIME ZONE DISPLACEMENT VALUE
invalid_time_zone_displacement_value
2200C
INVALID USE OF ESCAPE CHARACTER
invalid_use_of_escape_character
2200G
MOST SPECIFIC TYPE MISMATCH
most_specific_type_mismatch
22004
NULL VALUE NOT ALLOWED
null_value_not_allowed
22002
NULL VALUE NO INDICATOR PARAMETER
null_value_no_indicator_parameter
22003
NUMERIC VALUE OUT OF RANGE
numeric_value_out_of_range
22026
STRING DATA LENGTH MISMATCH
string_data_length_mismatch
22001
STRING DATA RIGHT TRUNCATION
string_data_right_truncation
22011
SUBSTRING ERROR
substring_error
22027
TRIM ERROR
trim_error
22024
UNTERMINATED C STRING
unterminated_c_string
2200F
ZERO LENGTH CHARACTER STRING
zero_length_character_string
22P01
FLOATING POINT EXCEPTION
floating_point_exception
22P02
INVALID TEXT REPRESENTATION
invalid_text_representation
22P03
INVALID BINARY REPRESENTATION
invalid_binary_representation
22P04
BAD COPY FILE FORMAT
bad_copy_file_format
22P05
UNTRANSLATABLE CHARACTER
untranslatable_character
Class 23
Integrity Constraint Violation
23000
INTEGRITY CONSTRAINT VIOLATION
integrity_constraint_violation
23001
RESTRICT VIOLATION
restrict_violation
23502
NOT NULL VIOLATION
not_null_violation
23503
FOREIGN KEY VIOLATION
foreign_key_violation
23505
UNIQUE VIOLATION
unique_violation
23514
CHECK VIOLATION
check_violation
Class 24
Invalid Cursor State
24000
INVALID CURSOR STATE
invalid_cursor_state
Class 25
Invalid Transaction State
25000
INVALID TRANSACTION STATE
invalid_transaction_state
25001
ACTIVE SQL TRANSACTION
active_sql_transaction
25002
BRANCH TRANSACTION ALREADY ACTIVE
branch_transaction_already_active
25008
HELD CURSOR REQUIRES SAME ISOLATION LEVEL
held_cursor_requires_same_isolation_level
25003
INAPPROPRIATE ACCESS MODE FOR BRANCH TRANSACTION
inappropriate_access_mode_for_branch_transaction
25004
INAPPROPRIATE ISOLATION LEVEL FOR BRANCH TRANSACTION
inappropriate_isolation_level_for_branch_transaction
25005
NO ACTIVE SQL TRANSACTION FOR BRANCH TRANSACTION
no_active_sql_transaction_for_branch_transaction
25006
READ ONLY SQL TRANSACTION
read_only_sql_transaction
25007
SCHEMA AND DATA STATEMENT MIXING NOT SUPPORTED
schema_and_data_statement_mixing_not_supported
25P01
NO ACTIVE SQL TRANSACTION
no_active_sql_transaction
25P02
IN FAILED SQL TRANSACTION
in_failed_sql_transaction
Class 26
Invalid SQL Statement Name
26000
INVALID SQL STATEMENT NAME
invalid_sql_statement_name
Class 27
Triggered Data Change Violation
27000
TRIGGERED DATA CHANGE VIOLATION
triggered_data_change_violation
Class 28
Invalid Authorization Specification
28000
INVALID AUTHORIZATION SPECIFICATION
invalid_authorization_specification
Class 2B
Dependent Privilege Descriptors Still Exist
2B000
DEPENDENT PRIVILEGE DESCRIPTORS STILL EXIST
dependent_privilege_descriptors_still_exist
2BP01
DEPENDENT OBJECTS STILL EXIST
dependent_objects_still_exist
Class 2D
Invalid Transaction Termination
2D000
INVALID TRANSACTION TERMINATION
invalid_transaction_termination
Class 2F
SQL Routine Exception
2F000
SQL ROUTINE EXCEPTION
sql_routine_exception
2F005
FUNCTION EXECUTED NO RETURN STATEMENT
function_executed_no_return_statement
2F002
MODIFYING SQL DATA NOT PERMITTED
modifying_sql_data_not_permitted
2F003
PROHIBITED SQL STATEMENT ATTEMPTED
prohibited_sql_statement_attempted
2F004
READING SQL DATA NOT PERMITTED
reading_sql_data_not_permitted
Class 34
Invalid Cursor Name
34000
INVALID CURSOR NAME
invalid_cursor_name
Class 38
External Routine Exception
38000
EXTERNAL ROUTINE EXCEPTION
external_routine_exception
38001
CONTAINING SQL NOT PERMITTED
containing_sql_not_permitted
38002
MODIFYING SQL DATA NOT PERMITTED
modifying_sql_data_not_permitted
38003
PROHIBITED SQL STATEMENT ATTEMPTED
prohibited_sql_statement_attempted
38004
READING SQL DATA NOT PERMITTED
reading_sql_data_not_permitted
Class 39
External Routine Invocation Exception
39000
EXTERNAL ROUTINE INVOCATION EXCEPTION
external_routine_invocation_exception
39001
INVALID SQLSTATE RETURNED
invalid_sqlstate_returned
39004
NULL VALUE NOT ALLOWED
null_value_not_allowed
39P01
TRIGGER PROTOCOL VIOLATED
trigger_protocol_violated
39P02
SRF PROTOCOL VIOLATED
srf_protocol_violated
Class 3B
Savepoint Exception
3B000
SAVEPOINT EXCEPTION
savepoint_exception
3B001
INVALID SAVEPOINT SPECIFICATION
invalid_savepoint_specification
Class 3D
Invalid Catalog Name
3D000
INVALID CATALOG NAME
invalid_catalog_name
>/row>
Class 3F
Invalid Schema Name
3F000
INVALID SCHEMA NAME
invalid_schema_name
Class 40
Transaction Rollback
40000
TRANSACTION ROLLBACK
transaction_rollback
40002
TRANSACTION INTEGRITY CONSTRAINT VIOLATION
transaction_integrity_constraint_violation
40001
SERIALIZATION FAILURE
serialization_failure
40003
STATEMENT COMPLETION UNKNOWN
statement_completion_unknown
40P01
DEADLOCK DETECTED
deadlock_detected
Class 42
Syntax Error or Access Rule Violation
42000
SYNTAX ERROR OR ACCESS RULE VIOLATION
syntax_error_or_access_rule_violation
42601
SYNTAX ERROR
syntax_error
42501
INSUFFICIENT PRIVILEGE
insufficient_privilege
42846
CANNOT COERCE
cannot_coerce
42803
GROUPING ERROR
grouping_error
42830
INVALID FOREIGN KEY
invalid_foreign_key
42602
INVALID NAME
invalid_name
42622
NAME TOO LONG
name_too_long
42939
RESERVED NAME
reserved_name
42804
DATATYPE MISMATCH
datatype_mismatch
42P18
INDETERMINATE DATATYPE
indeterminate_datatype
42809
WRONG OBJECT TYPE
wrong_object_type
42703
UNDEFINED COLUMN
undefined_column
42883
UNDEFINED FUNCTION
undefined_function
42P01
UNDEFINED TABLE
undefined_table
42P02
UNDEFINED PARAMETER
undefined_parameter
42704
UNDEFINED OBJECT
undefined_object
42701
DUPLICATE COLUMN
duplicate_column
42P03
DUPLICATE CURSOR
duplicate_cursor
42P04
DUPLICATE DATABASE
duplicate_database
42723
DUPLICATE FUNCTION
duplicate_function
42P05
DUPLICATE PREPARED STATEMENT
duplicate_prepared_statement
42P06
DUPLICATE SCHEMA
duplicate_schema
42P07
DUPLICATE TABLE
duplicate_table
42712
DUPLICATE ALIAS
duplicate_alias
42710
DUPLICATE OBJECT
duplicate_object
42702
AMBIGUOUS COLUMN
ambiguous_column
42725
AMBIGUOUS FUNCTION
ambiguous_function
42P08
AMBIGUOUS PARAMETER
ambiguous_parameter
42P09
AMBIGUOUS ALIAS
ambiguous_alias
42P10
INVALID COLUMN REFERENCE
invalid_column_reference
42611
INVALID COLUMN DEFINITION
invalid_column_definition
42P11
INVALID CURSOR DEFINITION
invalid_cursor_definition
42P12
INVALID DATABASE DEFINITION
invalid_database_definition
42P13
INVALID FUNCTION DEFINITION
invalid_function_definition
42P14
INVALID PREPARED STATEMENT DEFINITION
invalid_prepared_statement_definition
42P15
INVALID SCHEMA DEFINITION
invalid_schema_definition
42P16
INVALID TABLE DEFINITION
invalid_table_definition
42P17
INVALID OBJECT DEFINITION
invalid_object_definition
Class 44
WITH CHECK OPTION Violation
44000
WITH CHECK OPTION VIOLATION
with_check_option_violation
Class 53
Insufficient Resources
53000
INSUFFICIENT RESOURCES
insufficient_resources
53100
DISK FULL
disk_full
53200
OUT OF MEMORY
out_of_memory
53300
TOO MANY CONNECTIONS
too_many_connections
Class 54
Program Limit Exceeded
54000
PROGRAM LIMIT EXCEEDED
program_limit_exceeded
54001
STATEMENT TOO COMPLEX
statement_too_complex
54011
TOO MANY COLUMNS
too_many_columns
54023
TOO MANY ARGUMENTS
too_many_arguments
Class 55
Object Not In Prerequisite State
55000
OBJECT NOT IN PREREQUISITE STATE
object_not_in_prerequisite_state
55006
OBJECT IN USE
object_in_use
55P02
CANT CHANGE RUNTIME PARAM
cant_change_runtime_param
55P03
LOCK NOT AVAILABLE
lock_not_available
Class 57
Operator Intervention
57000
OPERATOR INTERVENTION
operator_intervention
57014
QUERY CANCELED
query_canceled
57P01
ADMIN SHUTDOWN
admin_shutdown
57P02
CRASH SHUTDOWN
crash_shutdown
57P03
CANNOT CONNECT NOW
cannot_connect_now
Class 58
System Error (errors external to PostgreSQL itself)
58030
IO ERROR
io_error
58P01
UNDEFINED FILE
undefined_file
58P02
DUPLICATE FILE
duplicate_file
Class F0
Configuration File Error
F0000
CONFIG FILE ERROR
config_file_error
F0001
LOCK FILE EXISTS
lock_file_exists
Class P0
PL/pgSQL Error
P0000
PLPGSQL ERROR
plpgsql_error
P0001
RAISE EXCEPTION
raise_exception
Class XX
Internal Error
XX000
INTERNAL ERROR
internal_error
XX001
DATA CORRUPTED
data_corrupted
XX002
INDEX CORRUPTED
index_corrupted