MySQL Bugs: #30390: pass up OS and Engine error numbers

Bug #30390	pass up OS and Engine error numbers
Submitted:	13 Aug 2007 15:23
Reporter:	Matthew Lord	Email Updates:
Status:	Verified	Impact on me:	None
Category:	MySQL Server: Errors	Severity:	S4 (Feature request)
Version:	all	OS:	Any
Assigned to:		CPU Architecture:	Any
Tags:	engine errors, errors, os errors

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Description:
There are various OS and engine errors that get passed up through mysqld but there
is no way to get the error number outside of parsing the error message.  The SQLCODE is:

Error: 1296 SQLSTATE: HY000 (ER_GET_ERRMSG)
Message: Got error %d '%s' from %s

The problem is that there's no nice c function to get the lower level error number.

Here's an example:
"Got error code 274 'Time-out in NDB....'"

It would be nice to be able to get 274 from the C API either via mysql_errno or another function.

How to repeat:
N/A

Suggested fix:
N/A