Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/815#discussion_r86411525
--- Diff: core/sql/executor/ex_sort.h ---
@@ -356,4 +363,119 @@ class ExSortFromTopPrivateState : public
ex_tcb_private_state
~ExSortFromTopPrivateState(); // destructor
};
+class ExSortBufferPool : public NABasicObject
--- End diff --
A more object-oriented way to do this is to create a class hierarchy, with
ExSortBufferPool as the abstract base class, and two specializations, one for
simple buffers and the other for SQL buffers. Then all your methods are virtual
and you get rid of all the "if (sqlBufferPool_)" checks. The code will be
slightly more efficient too though probably not significantly so.
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