I know I've seen this somewhere, but I've searched the docs and can't
seem to find it.
I know that := is assignment, and, from the docs, (and experience),
know that it does a "SELECT" to return the assigned value.
I was experimenting with triggers, in the body, I was trying something
like:
BEGIN
NEW.name := get_who(NEW.name);
RETURN NEW;
END
where get_who() is a stored procedure.
After going through some of my pgsql- mail-archives, I saw a similar
example where they used simply "=".
After I did this, it worked.
Could someone explain the why's and the difference? I know I've seen
this explained before, but where, I don't know...
