[COMMITTERS] pgsql: Put back example of using Result node to execute an INSERT.

[Tom Lane]

Log Message:
-----------
Put back example of using Result node to execute an INSERT.

Modified Files:
--------------
    pgsql/src/backend/executor:
        nodeResult.c (r1.30 -> r1.31)
        
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeResult.c.diff?r1=1.30&r2=1.31)

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