MonetDB: graph0 - QRW: join reordering (WIP)

Changeset: 2b0a6451e0d6 for MonetDB URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=2b0a6451e0d6 Modified Files: sql/common/sql_hash.c sql/include/sql_hash.h sql/server/rel_exp.c sql/server/rel_graph.c sql/server/rel_graph.h sql/server/rel_o

MonetDB: graph0 - QRW: join reordering WIP

Changeset: 06cabc5d5434 for MonetDB URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=06cabc5d5434 Modified Files: sql/server/rel_exp.c sql/server/rel_optimizer.c Branch: graph0 Log Message: QRW: join reordering WIP diffs (103 lines): diff --git a/sql/server/rel_exp.c b/