Greg Stark <[email protected]> writes:
> On Tue, May 12, 2009 at 12:20 AM, Tom Lane <[email protected]> wrote:
>>
>> Index "public.fooi"
>> Column | Type | Definition
>> -----------------+---------+------------
>> f1 | integer | f1
>> pg_expression_2 | integer | (f2+f3)
> Is there any reason to expose "pg_expression_2" to the user at all?
Perhaps not, but if they did have a reason to access the individual
index column then they'd need to know its name. I admit that there
may not be any such reason at present, but do you want to find us
having to change the definition back again sometime in the future?
regards, tom lane
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