()
| 52 | } |
| 53 | |
| 54 | func (iter *JoinIter) First() bool { |
| 55 | f := iter.first() |
| 56 | if f == false { |
| 57 | return false |
| 58 | } |
| 59 | for len(iter.value) == 0 { |
| 60 | if iter.next() == false { |
| 61 | return false |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | return true |
| 66 | } |
| 67 | |
| 68 | func (iter *JoinIter) first() bool { |
| 69 | var bkey, bval, mkey, mval []byte |