RE: [sqlite] Re: how to do this case when?

2008-01-31 Thread RB Smissaert
There isn't much in it, but it looks the one with IFNULL is the fastest. Will stick to that one. RBS -Original Message- From: RB Smissaert [mailto:[EMAIL PROTECTED] Sent: 31 January 2008 21:17 To: sqlite-users@sqlite.org Subject: RE: [sqlite] Re: how to do this case when? Thanks; I

RE: [sqlite] Re: how to do this case when?

2008-01-31 Thread RB Smissaert
Thanks; I came up with number 3, but I like your number 1. Any idea what could be the fastest or will it all be the same? RBS -Original Message- From: Igor Tandetnik [mailto:[EMAIL PROTECTED] Sent: 31 January 2008 20:59 To: SQLite Subject: [sqlite] Re: how to do this case when? RB

[sqlite] Re: how to do this case when?

2008-01-31 Thread Igor Tandetnik
RB Smissaert <[EMAIL PROTECTED]> wrote: How do I alter this SQL, so that the original field remains the same when there is no match? A case when else end should do it, but I can't get it right. UPDATE Table1 SET Field1 = (SELECT Field2 FROM Table2 WHERE Table1.Field1 = Table2.Field1)