Originally posted by: sandeepsinghchauhan

tuple TP
{
  key int p;
  float t;
}
{TP} P = ...;

tuple su {
  string r;
  string s;  
}
{su} Route = ...;

tuple RS {
  key TP p;
  string r;
  string s;  
}
{RS} RPr = {<pl.p,r,s> |pl in P, <r,s>  in Route};

Error
Cannot use type {<int,string,string>} for {RS}.  

Please help

Hi,

I d rather write

{RS} RPr = {<pl,r,s> |pl in P, <r,s>  in Route};

Plus since you do the Euclidian product of P and Route I would remove key in

tuple RS {
  key TP p;
  string r;
  string s;  
}

and keep

tuple RS {
  TP p;
  string r;
  string s;  
}

regards

Originally posted by: sandeepsinghchauhan

Thanks for your valuable reply

if i want to extract only p value from tuple TP right now tuple RS will extract both p and t from tuple TP

Please help