On 2016-03-10 11:22, [email protected] wrote:
It's *almost* 15 years, and I always used this function in my
framework:
FUNCTION GetNewID(tiHandle as Integer) as Integer
* Retrieves newly created ID from MYSQL backend.
*** mjb 11/09/2011 - added here from Scheduler
LOCAL liKey as Integer
IF SQLEXEC(tiHandle,'SELECT @@IDENTITY as iNewKey',"curKey") = 1 THEN
&& retrieve PK from resulting cursor
liKey = curKey.iNewKey
IF VARTYPE(liKey) = "C" THEN
liKey = VAL(liKey)
ENDIF
ELSE
liKey = -1
ENDIF
RETURN liKey
ENDFUNC && GetNewID(tiHandle as Integer) as Integer
Wondering about the difference between last_insert_id() and SELECT
@@IDENTITY? Researching later...
Got the answer (and see why it works):
http://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_identity
Identity: "This variable is a synonym for the last_insert_id variable.
It exists for compatibility with other database systems. You can read
its value with SELECT @@identity, and set it using SET identity."
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