"Joshua D. Drake" <[EMAIL PROTECTED]> writes:
>> The cost of preventing every stupid database use is too high.

> Although a notice that says: 
> NOTICE: CREATE DUPLICATE INDEX y on test (col1);
> Probably isn't out of order.

You're omitting the (probably) several pages of C code that would be
needed to detect whether the index is really a duplicate or not.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

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