Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2319#discussion_r88884877
--- Diff: docs/dev/table_api.md ---
@@ -1656,6 +1656,29 @@ temporalOverlaps(TIMEPOINT, TEMPORAL, TIMEPOINT,
TEMPORAL)
</td>
</tr>
+ <tr>
+ <td>
+ {% highlight java %}
+ANY.flatten()
+{% endhighlight %}
+ </td>
+ <td>
+ <p>Converts a Flink composite type (such as Tuple, POJO, etc.) and
all of its subtypes into a flat representation where every subtype is a
separate field.</p>
--- End diff --
Currently, they are named "_c0", "_c1" etc. but after thinking about it
this is not very nice, because it is difficult to identify POJO fields that
don't have a field order. I will try to improve that.
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