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Require not start if nothing to bind

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This commit is contained in:
Ivan Ukhov 2015-08-03 16:52:40 -04:00
parent 26626fdeeb
commit b2e735b627
1 changed files with 7 additions and 2 deletions
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9
src/iterator.rs
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@ -26,8 +26,13 @@ impl<'l> Iterator<'l> {
/// Read the next row.
pub fn next(&mut self) -> Result<Option<&[Value]>> {
match self.state {
Some(State::Row) => {},
_ => return Ok(None),
Some(State::Done) => return Ok(None),
None => {
try!(self.statement.reset());
self.state = Some(try!(self.statement.step()));
return self.next();
},
_ => {},
}
let values = match self.values.take() {
Some(mut values) => {