Before 5220bb7533f a note in ddl.sgml used to mention that run-time pruning was only implemented for Append. When we got MergeAppend support the commit updated this to mention MergeAppend is supported too. This is slightly weird as it's not all that obvious what exactly isn't supported when we mention:
<para>
Both of these behaviors are likely to be changed in a future release
of <productname>PostgreSQL</productname>.
</para>
The attached patch updates this to mention that ModifyTable is
unsupported which I think makes the above fragment make sense again.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
small_runtime_pruning_doc_fix.patch
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