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Method SeekTo

pkg/parquetquery/iters.go:1705–1724  ·  view source on GitHub ↗
(t RowNumber, d int)

Source from the content-addressed store, hash-verified

1703}
1704
1705func (u *UnionIterator) SeekTo(t RowNumber, d int) (*IteratorResult, error) {
1706 var err error
1707 t = TruncateRowNumber(d, t)
1708 for iterNum, iter := range u.iters {
1709 if p := u.peeks[iterNum]; p == nil || CompareRowNumbers(d, p.RowNumber, t) == -1 {
1710 // Release peek if present
1711 // These results have been collected but never returned upstream,
1712 // so we know it is safe to release them.
1713 if p != nil {
1714 p.Release()
1715 }
1716
1717 u.peeks[iterNum], err = iter.SeekTo(t, d)
1718 if err != nil {
1719 return nil, fmt.Errorf("union iterator seek to failed: %w", err)
1720 }
1721 }
1722 }
1723 return u.Next()
1724}
1725
1726func (u *UnionIterator) peek(iterNum int) (*IteratorResult, error) {
1727 var err error

Callers

nothing calls this directly

Calls 5

NextMethod · 0.95
TruncateRowNumberFunction · 0.85
CompareRowNumbersFunction · 0.85
ReleaseMethod · 0.65
SeekToMethod · 0.65

Tested by

no test coverage detected