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Paul White

00:07

@JoeObbish Just finished a bit of a writing binge so I had some discretionary tine to throw at a question on my favorites list.

Paul White

00:40

You might like to try throwing a DISTINCT on that test query 😉

Joe Obbish

I have some notes that I never wrote up

I think I'll do it now

that is a very suspicious comment

8 hours later…

Paul White

08:37

Well I don't want to push the MCVE too far - these things rarely capture all the subtleties of the original - but adding a top-level distinct fixes the estimate and eliminates the link table completely, since it no longer performs any function.

3 hours later…

ypercubeᵀᴹ

11:58

Q: Did medieval Russia reject Islam because of its prohibition against alcohol?

For a long time, I have been aware of a historical anecdote about the attempt to convert Russia to Islam. I don’t know where I first heard the anecdote: I’m pretty sure it was oral, so I had to dig a bit to find notable claims. The anecdote goes something like this: A Muslim emissary visited the ...