Tom Lane wrote:
AFAICS the only cases that give rise to arrays with lower bounds other
than one are:
* direct entry of a literal with explicit lower bound;
* assignment to a subscript or slice below 1;
* array_prepend (and the N/N+1-dimension case of array_cat).
I don't think "it's not in the spec" is a reason for rejecting #1 or #2.
But I agree that there is a reasonable case for modifying array_prepend
and array_cat so that they won't generate non-spec lower bounds where
none existed before.
How about changing them so that the lower bound of the right-hand array
is preserved, rather than decreased by one?
That seems reasonable. I'll do it if you'd like...
Joe
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