On Sat, 2014-02-01 at 15:49 +0000, Bruce Momjian wrote:
> arrays: tighten checks for multi-dimensional input
>
> Previously an input array string that started with a single-element
> array dimension would then later accept a multi-dimensional segment.
>
> BACKWARD INCOMPATIBILITY
-select cardinality('{{{1}},{{2,3},{3,4}}}'::int[]);
+select cardinality('{{{1,9},{5,6}},{{2,3},{3,4}}}'::int[]);
cardinality
-------------
8
I was a little confused by this change: the query changed, but the
results did not. Was that a bugfix, or were the original semantics
intentional?
I didn't immediately find the thread where this was discussed, so if you
send a link that might answer my question.
Regards,
Jeff Davis
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