bizgres - bizgres: Teach nodeSort and nodeMaterial to optimize out

Log Message:
-----------
Teach nodeSort and nodeMaterial to optimize out unnecessary overhead when the passed-down eflags indicate they can. Simon Riggs and Tom Lane

Modified Files:
--------------
bizgres/postgresql/src/backend/executor:
nodeAgg.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeAgg.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeAppend.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeAppend.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeBitmapAnd.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeBitmapAnd.c.diff?r1=1.3&r2=1.4)
nodeBitmapHeapscan.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeBitmapHeapscan.c.diff?r1=1.3&r2=1.4)
nodeBitmapIndexscan.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeBitmapIndexscan.c.diff?r1=1.3&r2=1.4)
nodeBitmapOr.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeBitmapOr.c.diff?r1=1.3&r2=1.4)
nodeFunctionscan.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeFunctionscan.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeGroup.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeGroup.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeHash.c (r1.1.1.2.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeHash.c.diff?r1=1.1.1.2.2.1&r2=1.3)
nodeHashjoin.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeHashjoin.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeIndexscan.c (r1.1.1.2.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeIndexscan.c.diff?r1=1.1.1.2.2.1&r2=1.3)
nodeLimit.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeLimit.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeMaterial.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeMaterial.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeMergejoin.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeMergejoin.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeNestloop.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeNestloop.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeResult.c (r1.1.1.2.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeResult.c.diff?r1=1.1.1.2.2.1&r2=1.3)
nodeSeqscan.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeSeqscan.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeSetOp.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeSetOp.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeSort.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeSort.c.diff?r1=1.2&r2=1.3)
nodeSubplan.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeSubplan.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeSubqueryscan.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeSubqueryscan.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeTidscan.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeTidscan.c.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeUnique.c (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/nodeUnique.c.diff?r1=1.1.1.2.2.1&r2=1.2)
spi.c (r1.1.1.3.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/executor/spi.c.diff?r1=1.1.1.3.2.1&r2=1.2)
bizgres/postgresql/src/include/executor:
executor.h (r1.1.1.2.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/executor.h.diff?r1=1.1.1.2.2.1&r2=1.3)
nodeAgg.h (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeAgg.h.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeAppend.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeAppend.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeBitmapAnd.h (r1.1.1.1.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeBitmapAnd.h.diff?r1=1.1.1.1.2.1&r2=1.3)
nodeBitmapHeapscan.h (r1.1.1.1.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeBitmapHeapscan.h.diff?r1=1.1.1.1.2.1&r2=1.3)
nodeBitmapIndexscan.h (r1.1.1.1.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeBitmapIndexscan.h.diff?r1=1.1.1.1.2.1&r2=1.3)
nodeBitmapOr.h (r1.1.1.1.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeBitmapOr.h.diff?r1=1.1.1.1.2.1&r2=1.3)
nodeFunctionscan.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeFunctionscan.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeGroup.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeGroup.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeHash.h (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeHash.h.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeHashjoin.h (r1.1.1.2.2.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeHashjoin.h.diff?r1=1.1.1.2.2.1&r2=1.2)
nodeIndexscan.h (r1.1.1.2.2.1 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeIndexscan.h.diff?r1=1.1.1.2.2.1&r2=1.3)
nodeLimit.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeLimit.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeMaterial.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeMaterial.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeMergejoin.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeMergejoin.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeNestloop.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeNestloop.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeResult.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeResult.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeSeqscan.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeSeqscan.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeSetOp.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeSetOp.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeSort.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeSort.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeSubplan.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeSubplan.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeSubqueryscan.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeSubqueryscan.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeTidscan.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeTidscan.h.diff?r1=1.1.1.1.30.1&r2=1.2)
nodeUnique.h (r1.1.1.1.30.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/executor/nodeUnique.h.diff?r1=1.1.1.1.30.1&r2=1.2)
bizgres/postgresql/src/include/nodes:
execnodes.h (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/nodes/execnodes.h.diff?r1=1.4&r2=1.5)