5 DB_ERROR =>
'unknown error',
6 DB_ERROR_ALREADY_EXISTS =>
'already exists',
7 DB_ERROR_CANNOT_CREATE =>
'can not create',
8 DB_ERROR_CANNOT_DELETE =>
'can not delete',
9 DB_ERROR_CANNOT_DROP =>
'can not drop',
10 DB_ERROR_CONSTRAINT =>
'constraint violation',
11 DB_ERROR_DIVZERO =>
'division by zero',
12 DB_ERROR_INVALID =>
'invalid',
13 DB_ERROR_INVALID_DATE =>
'invalid date or time',
14 DB_ERROR_INVALID_NUMBER =>
'invalid number',
15 DB_ERROR_MISMATCH =>
'mismatch',
16 DB_ERROR_NODBSELECTED =>
'no database selected',
17 DB_ERROR_NOSUCHFIELD =>
'no such field',
18 DB_ERROR_NOSUCHTABLE =>
'no such table',
19 DB_ERROR_NOT_CAPABLE =>
'DB backend not capable',
20 DB_ERROR_NOT_FOUND =>
'not found',
21 DB_ERROR_NOT_LOCKED =>
'not locked',
22 DB_ERROR_SYNTAX =>
'syntax error',
23 DB_ERROR_UNSUPPORTED =>
'not supported',
24 DB_ERROR_VALUE_COUNT_ON_ROW =>
'value count on row',
25 DB_ERROR_INVALID_DSN =>
'invalid DSN',
26 DB_ERROR_CONNECT_FAILED =>
'connect failed',
28 DB_ERROR_NEED_MORE_DATA =>
'insufficient data supplied',
29 DB_ERROR_EXTENSION_NOT_FOUND=>
'extension not found',
30 DB_ERROR_NOSUCHDB =>
'no such database',
31 DB_ERROR_ACCESS_VIOLATION =>
'insufficient permissions',
32 DB_ERROR_DEADLOCK =>
'deadlock detected',
33 DB_ERROR_STATEMENT_TIMEOUT =>
'statement timeout',
34 DB_ERROR_SERIALIZATION_FAILURE =>
'could not serialize access'
1.8.13 
