Re: [GENERAL] returns 0 row from plpgsql function

2010-03-19 Thread Pavel Stehule
2010/3/20 zhong ming wu : > Dear List > > I use plpgsql function as a postfix mailserver look-up table.  For > example to look up virtual email address. > If I don't host this email address, then the function returns null. > Because it's a 1 row of null value postfix logs a warning message. > Altho

[GENERAL] returns 0 row from plpgsql function

2010-03-19 Thread zhong ming wu
Dear List I use plpgsql function as a postfix mailserver look-up table. For example to look up virtual email address. If I don't host this email address, then the function returns null. Because it's a 1 row of null value postfix logs a warning message. Although it's harmless in that postfix takes