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author	Shigeru Hanada <[email protected]>
	Mon, 7 Feb 2011 06:06:27 +0000 (15:06 +0900)
committer	Shigeru Hanada <[email protected]>
	Tue, 8 Feb 2011 08:49:08 +0000 (17:49 +0900)
commit	38636e34a03f9a0d9fdc7a2948547fcda3eac9b4
tree	4015635e86ca484898c855441e7e81e30d838c20	tree
parent	0aebead7e3cc39ccdc710f859951f44d7aa0d9c2	commit \| diff

Add ForeignScan executor node and hook points.

ForeignScan node uses FDW handler to execut a scan on a foreign table.
FDW should supply PlanRelScan, BeginScan, Iterate and EndScan at least.
If FDW has more efficient way to reset the scan than using the pair of
EndScan and BeginScan, FDW can supply ReScan too.

28 files changed:

doc/src/sgml/ref/explain.sgml		diff \| blob \| blame \| history
doc/src/sgml/ref/lock.sgml		diff \| blob \| blame \| history
doc/src/sgml/ref/select.sgml		diff \| blob \| blame \| history
src/backend/commands/explain.c		diff \| blob \| blame \| history
src/backend/executor/Makefile		diff \| blob \| blame \| history
src/backend/executor/execAmi.c		diff \| blob \| blame \| history
src/backend/executor/execProcnode.c		diff \| blob \| blame \| history
src/backend/executor/nodeForeignscan.c	[new file with mode: 0644]	blob
src/backend/executor/nodeLockRows.c		diff \| blob \| blame \| history
src/backend/foreign/foreign.c		diff \| blob \| blame \| history
src/backend/nodes/copyfuncs.c		diff \| blob \| blame \| history
src/backend/nodes/outfuncs.c		diff \| blob \| blame \| history
src/backend/optimizer/path/allpaths.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/createplan.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/setrefs.c		diff \| blob \| blame \| history
src/backend/optimizer/plan/subselect.c		diff \| blob \| blame \| history
src/backend/optimizer/util/pathnode.c		diff \| blob \| blame \| history
src/backend/optimizer/util/plancat.c		diff \| blob \| blame \| history
src/include/executor/nodeForeignscan.h	[new file with mode: 0644]	blob
src/include/foreign/fdwapi.h	[new file with mode: 0644]	blob
src/include/foreign/foreign.h		diff \| blob \| blame \| history
src/include/nodes/execnodes.h		diff \| blob \| blame \| history
src/include/nodes/nodes.h		diff \| blob \| blame \| history
src/include/nodes/plannodes.h		diff \| blob \| blame \| history
src/include/nodes/relation.h		diff \| blob \| blame \| history
src/include/optimizer/pathnode.h		diff \| blob \| blame \| history
src/test/regress/expected/foreign_data.out		diff \| blob \| blame \| history
src/test/regress/sql/foreign_data.sql		diff \| blob \| blame \| history

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