ada/dmspine64backup
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update DBEngine.cpp

Browse source
This commit is contained in:
Brandon Jackson 2015-09-24 20:55:14 -05:00
parent 3983003035
commit 7ac2d4474f
1 changed files with 11 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
DBEngine.cpp
View file

@ -58,12 +58,19 @@ Relation DBEngine::selection(string attName, string s, Relation r){
//assumes that all attribute titles are unique
Relation DBEngine::projection(vector<string> input, Relation r){
vector<Attribute> v;
string new_name = r.getTableName() + " Projection";
// for(int i = 0; i < input.size(); i++) {
// it = find(r.getAttributes().begin(), r.getAttributes().end(), input[i])
for(int i = 0; i < input.size(); ++i) {
//if(r[i].getName == input[])
// }
for(int j = 0; j < r.getSize(); ++j) {
if((r.getAttributes())[j].getName() == input[i])
v.push_back((r.getAttributes())[j]);
}
}
Relation temp(new_name, v);
return temp;
}
//test error matching