Of course; I suppose this bug goes back to Berkeley days. We just hadn't recognized it before (or at least I hadn't).
Neither had I. But the changes in 7.4 probably make it more likely people will bump into this as a problem.
Without looking to confirm, I believe SQL99 defines an array as always having a lower bound of 1, making our behavior an extension to the standard. We may need another extension to the array literal syntax in order to deal with this. I'll report back after I've had some time to study it.
Joe
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