For sorted join operands we can make a more precise heuristic based on the observation that often (in MonetDB/SQL) a selection on a column is later used in a projection on the same column.
For sorted join operands we can make a more precise heuristic
based on the observation that often (in MonetDB/SQL) a selection
on a column is later used in a projection on the same column.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb