2.4.4 NDB Error Classifications

The following table lists the classification codes used for NDB API errors, and their descriptions. These can also be found in the file /storage/ndb/src/ndbapi/ndberror.cpp (NDB 7.6 and earlier: ndberror.c).

Table 2.82  Classification codes for NDB API errors, with corresponding error status and description.

Classification Code	Error Status	Description
NE	Success	No error
AE	Permanent error	Application error
CE	Permanent error	Configuration or application error
ND	Permanent error	No data found
CV	Permanent error	Constraint violation
SE	Permanent error	Schema error
OE	Permanent error	Schema object already exists
UD	Permanent error	User defined error
IS	Permanent error	Insufficient space
TR	Temporary error	Temporary Resource error
NR	Temporary error	Node Recovery error
OL	Temporary error	Overload error
TO	Temporary error	Timeout expired
NS	Temporary error	Node shutdown
IT	Temporary error	Internal temporary
UR	Unknown result	Unknown result error
UE	Unknown result	Unknown error code
IE	Permanent error	Internal error
NI	Permanent error	Function not implemented
DMEC	Default MySQL error code	Used for NDB errors that are not otherwise mapped to MySQL error codes

In NDB 7.6 and later, you can also obtain the descriptions for the classification codes from the error_classification column of the ndbinfo.error_messages table.