yyanyy commented on a change in pull request #2891:
URL: https://github.com/apache/iceberg/pull/2891#discussion_r679523222
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File path: site/docs/spec.md
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@@ -267,7 +267,8 @@ A sort order is defined by an sort order id and a list of
sort fields. The order
Order id `0` is reserved for the unsorted order.
-Sorting floating-point numbers should produce the following behavior: `-NaN` <
`-Infinity` < `-value` < `-0` < `0` < `value` < `Infinity` < `NaN`. This aligns
with the implementation of Java floating-point types comparisons.
+Sorting floating-point numbers should produce the following behavior:
`-Infinity` < `-value` < `-0` < `0` < `value` < `Infinity` < `NaN`.
+The different `NaN` representation can be in an arbitrary order. This aligns
with the implementation of Java floating-point types comparisons.
Review comment:
can you specify more on what "order" means here?
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