Jeff <[EMAIL PROTECTED]> writes:
> I recalled seeing a thread on -HACKERS about some major improvements to the speed of 
> adding an FK to an existing table in 7.4. Naturally I was curious and decided to 
> give it a whirl. My findings are not too good. In fact, they are bad. 
> 7.4b4, 10k shared buff, 256mb effective cache: 485706ms

You are testing the wrong version.  beta5 has the ADD FOREIGN KEY improvement.

                        regards, tom lane

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