This sounds like a new feature which is not allowed in the Stable branch. Bastian Brodbeck wrote:

Update of /cvsroot/monetdb/pathfinder/compiler/algebra/opt In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv13909/compiler/algebra/opt

Modified Files: Tag: Feb2009 Makefile.ag Log Message: adding new optimization -Y this optimization pushes projection up in the tree to minimize them. the goal is to simplify the tree for other optimizations

U Makefile.ag Index: Makefile.ag =================================================================== RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/opt/Makefile.ag,v retrieving revision 1.19.2.2 retrieving revision 1.19.2.3 diff -u -d -r1.19.2.2 -r1.19.2.3 --- Makefile.ag 6 Feb 2009 14:47:47 -0000 1.19.2.2 +++ Makefile.ag 20 Mar 2009 09:58:02 -0000 1.19.2.3 @@ -47,6 +47,7 @@ opt_key.c \ opt_monetxq.c \ opt_mvd.c \ + opt_projection.c \ opt_req_node.c \ opt_reqval.c \ opt_rank.c \

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