Philip Warner <[EMAIL PROTECTED]> writes:
> At 04:08 PM 12/12/2002 -0500, Tom Lane wrote:
>> Should we remove this error check, thereby effectively making
>> zero-column tables first-class citizens?
> The other option is to disallow the steps that resulted in the zero-column
> table in the first place. This is probably more rational.
That was where we were a couple months ago: DROP COLUMN would refuse to
let you drop the last column of a table. But that has much worse
problems than whether we are able to deliver a "helpful" error message.
For example:
Amy does CREATE TABLE foo(f1 beths_type);
Beth now cannot drop her type beths_type.
In most circles this would be called a denial of service.
regards, tom lane
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