2007. 11. 5, hétfő keltezéssel 06.10-kor Ronald Wiplinger ezt írta:
> Jim Lucas wrote:
> > Ronald Wiplinger wrote:
> >> I have a file linked with require into my program with statements like:
> >>
> >> define("_ADDRESS","Address");
> >> define("_CITY","City");
> >>
> >> I would like to replace this with a mysql table with these two fields
> >> (out of many other fields).
> >>
> >> How can I do that?
> >>
> >> bye
> >>
> >> Ronald
> >>
> > Well, if you have all the settings in a DB already, then what I would
> > do is this.
> >
> > SELECT param_name, param_value FROM yourTable;
> >
> > then
> >
> > while ( list($name, $value) = mysql_fetch_row($results_handler) ) {
> >     define($name, $value);
> > }
> >
> > put this in place of your existing defines and you should be good.
> >
> 
> Thanks! Works fine!
> I need now a modification for that.
> 
> Two values:
> SELECT param_name, param_value1, param_value2 FROM yourTable;
> 
> IF param_value1 is empty, than it should use param_value2

try something like this sql:

SELECT param_name, IF ((param_value1 <> '') AND NOT
ISNULL(param_value1), param_value1, param_value2) AS param_value FROM
yourTable

greets
Zoltán Németh

> 
> How can I add this?
> 
> Thank you again.
> 
> bye
> 
> Ronald
> 

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