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author	Robert Haas <rhaas@postgresql.org>
	Thu, 29 Nov 2012 16:13:08 +0000 (11:13 -0500)
committer	Robert Haas <rhaas@postgresql.org>
	Thu, 29 Nov 2012 16:16:59 +0000 (11:16 -0500)
commit	7a2fe9bd0371b819aacc97a007ec1d955237d207
tree	2a90f913498db374770f589db3706c6ea57b053d	tree \| snapshot
parent	086cf1458c6000a01e6c9ff44cc5da30cd65d145	commit \| diff

Basic binary heap implementation.

There are probably other places where this can be used, but for now,
this just makes MergeAppend use it, so that this code will have test
coverage. There is other work in the queue that will use this, as
well.

Abhijit Menon-Sen, reviewed by Andres Freund, Robert Haas, Álvaro
Herrera, Tom Lane, and others.

src/backend/executor/nodeMergeAppend.c		diff \| blob \| blame \| history
src/backend/lib/Makefile		diff \| blob \| blame \| history
src/backend/lib/binaryheap.c	[new file with mode: 0644]	blob
src/include/lib/binaryheap.h	[new file with mode: 0644]	blob
src/include/nodes/execnodes.h		diff \| blob \| blame \| history

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