subject:"\[HACKERS\] Why use \!= "

Re: [HACKERS] Why use " != "

2006-05-15 Thread ipig

As Qingqing Zhou said, i misread "exist". Thanks. - Original Message - From: "Gurjeet Singh" <[EMAIL PROTECTED]> To: "ipig" <[EMAIL PROTECTED]> Cc: Sent: Tuesday, May 16, 2006 11:36 AM Subject: Re: [HACKERS] Why use " != "

Re: [HACKERS] Why use " != "

2006-05-15 Thread Gurjeet Singh

It done so, because InitProcess() is supposed to be called only once per backend, because it allocates a PGPROC from a LIST OF free PGPROCs. So with this test, and calling elog( ERROR, ... ) we are stopping the caller from doing a second initialization for this backend. On 5/16/06, ipig <[

Re: [HACKERS] Why use " != "

2006-05-15 Thread Qingqing Zhou

""ipig"" <[EMAIL PROTECTED]> wrote > >in postgresql-8.1.3/src/backend/storage/lmgr/proc.c >there are 2 function InitProcess and InitDummyProcess, both use > " if (MyProc != NULL) > elog(ERROR, "you already exist"); " (line 215 and 315) > >why use " != " ? > I guess you misread "

[HACKERS] Why use " != "

2006-05-15 Thread ipig

Hi, in postgresql-8.1.3/src/backend/storage/lmgr/proc.c there are 2 function InitProcess and InitDummyProcess, both use " if (MyProc != NULL) elog(ERROR, "you already exist"); " (line 215 and 315) why use " != " ? Best regards.