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Re: 8.2.4 serious slowdown

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(attribution restored)
Clodoaldo wrote:
 > I don't know if the plan would be the same but this is a bit clearer:
 >
 > WHERE COALESCE(b.quantity, 0) > COALESCE(b.deliveredsum, 0)

Sim Zacks wrote:
That should be true, but sometimes we get deliveries of greater quantity then we ordered.
I just want to know the times when I haven't gotten the complete order yet.
If we get more then we ordered, I don't want it to be in this query.

Huh?

How does that relate to the suggestion?

The suggested expression is mathematically equivalent to and perfectly substitutable for the original.

--
Lew

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