On Tuesday 1. June 2010 23.34.39 Tom Lane wrote:
> Well, the main point is that the possible ambiguity means that SQL has
> mandated you put parentheses around any sub-select. However, if you're
> claiming there is no possible ambiguity inside a function call, compare:
>
> select myfunc((select integer_col from foo where bar = 5+4))
> select myfunc((select integer_col from foo where bar = 5)+4)
>
> These mean different things, and you couldn't tell 'em apart without
> the inner parentheses.
Right, I get it. Thanks for the explanation.
regards,
--
Leif Biberg Kristensen
http://solumslekt.org/blog/
