func rowsiFromStatement(si driver.Stmt, args ...interface{}) (driver.Rows, error) {
// -1 means the driver doesn't know how to count the number of
// placeholders, so we won't sanity check input here and instead let the
// driver deal with errors.
if want := si.NumInput(); want != -1 && len(args) != want {
return nil, fmt.Errorf("sql: statement expects %d inputs; got %d", si.NumInput(), len(args))
}
dargs, err := driverArgs(si, args)
if err != nil {
return nil, err
}
rowsi, err := si.Query(dargs)
if err != nil {
return nil, err
}
return rowsi, nil
}
func resultFromStatement(si driver.Stmt, args ...interface{}) (Result, error) {
// -1 means the driver doesn't know how to count the number of
// placeholders, so we won't sanity check input here and instead let the
// driver deal with errors.
if want := si.NumInput(); want != -1 && len(args) != want {
return nil, fmt.Errorf("sql: expected %d arguments, got %d", want, len(args))
}
dargs, err := driverArgs(si, args)
if err != nil {
return nil, err
}
resi, err := si.Exec(dargs)
if err != nil {
return nil, err
}
return result{resi}, nil
}