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3 Commits

Author SHA1 Message Date
Bruce Momjian e126958c2e Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
Bruce Momjian 5d950e3b0c Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
Tom Lane 11cad29c91 Support MergeAppend plans, to allow sorted output from append relations. 
This patch eliminates the former need to sort the output of an Append scan
when an ordered scan of an inheritance tree is wanted.  This should be
particularly useful for fast-start cases such as queries with LIMIT.

Original patch by Greg Stark, with further hacking by Hans-Jurgen Schonig,
Robert Haas, and Tom Lane.
 2010-10-14 16:57:57 -04:00