opt_costmodel.mal

一个内存数据库的源代码这是服务器端还有客户端

#line 64 "/export/scratch0/monet/monet.GNU.64.64.d.14791/MonetDB5/src/optimizer/opt_costModel.mx"
pattern optimizer.costModel():str
address OPTcostModel;
pattern optimizer.costModel(mod:str, fcn:str):str
address OPTcostModel
comment "Estimate the cost of a relational expression";