PGresult* res;
int currentrow;
int rows;
+ std::vector<std::string> colnames;
+
+ void getColNames()
+ {
+ colnames.resize(PQnfields(res));
+ for(unsigned int i=0; i < colnames.size(); i++)
+ {
+ colnames[i] = PQfname(res, i);
+ }
+ }
public:
PgSQLresult(PGresult* result) : res(result), currentrow(0)
{
void GetCols(std::vector<std::string>& result) CXX11_OVERRIDE
{
- result.resize(PQnfields(res));
- for(unsigned int i=0; i < result.size(); i++)
+ if (colnames.empty())
+ getColNames();
+ result = colnames;
+ }
+
+ bool HasColumn(const std::string& column, size_t& index)
+ {
+ if (colnames.empty())
+ getColNames();
+
+ for (size_t i = 0; i < colnames.size(); ++i)
{
- result[i] = PQfname(res, i);
+ if (colnames[i] == column)
+ {
+ index = i;
+ return true;
+ }
}
+ return false;
}
SQL::Field GetValue(int row, int column)