func newResult(res *C.PGresult) *driverRows {
ncols := int(C.PQnfields(res))
nrows := int(C.PQntuples(res))
result := &driverRows{res: res, nrows: nrows, currRow: -1, ncols: ncols, cols: nil}
runtime.SetFinalizer(result, (*driverRows).Close)
return result
}
func newResult(res *C.PGresult) *Result {
ncols := int(C.PQnfields(res))
nrows := int(C.PQntuples(res))
result := &Result{res: res, nrows: nrows, currRow: -1, ncols: ncols, cols: nil}
runtime.SetFinalizer(result, (*Result).Clear)
return result
}
func columns(r *PgRows) []string {
nfields := int(C.PQnfields(r.result))
rv := make([]string, nfields)
for i := 0; i < nfields; i++ {
rv[i] = C.GoString(C.PQfname(r.result, C.int(i)))
}
return rv
}
func (s *libpqStmt) Query(args []driver.Value) (driver.Rows, error) {
// execute prepared statement
cres, err := s.exec(args)
if err != nil {
return nil, err
}
// check to see if this was a "LISTEN"
if C.GoString(C.PQcmdStatus(cres)) == "LISTEN" {
C.PQclear(cres)
return &libpqListenRows{s.c}, nil
}
return &libpqRows{
s: s,
res: cres,
ncols: int(C.PQnfields(cres)),
nrows: int(C.PQntuples(cres)),
currRow: 0,
cols: nil,
}, nil
}