Documentation
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Index ¶
- type BufferedSeriesIterator
- func (b *BufferedSeriesIterator) At() (int64, float64)
- func (b *BufferedSeriesIterator) Buffer() tsdb.SeriesIterator
- func (b *BufferedSeriesIterator) Err() error
- func (b *BufferedSeriesIterator) Next() bool
- func (b *BufferedSeriesIterator) PeekBack() (t int64, v float64, ok bool)
- func (b *BufferedSeriesIterator) Seek(t int64) bool
Constants ¶
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Variables ¶
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Functions ¶
This section is empty.
Types ¶
type BufferedSeriesIterator ¶
type BufferedSeriesIterator struct {
// contains filtered or unexported fields
}
BufferedSeriesIterator wraps an iterator with a look-back buffer.
func NewBuffer ¶
func NewBuffer(it tsdb.SeriesIterator, delta int64) *BufferedSeriesIterator
NewBuffer returns a new iterator that buffers the values within the time range of the current element and the duration of delta before.
func (*BufferedSeriesIterator) At ¶
func (b *BufferedSeriesIterator) At() (int64, float64)
At returns the current element of the iterator.
func (*BufferedSeriesIterator) Buffer ¶
func (b *BufferedSeriesIterator) Buffer() tsdb.SeriesIterator
Buffer returns an iterator over the buffered data.
func (*BufferedSeriesIterator) Err ¶
func (b *BufferedSeriesIterator) Err() error
Err returns the last encountered error.
func (*BufferedSeriesIterator) Next ¶
func (b *BufferedSeriesIterator) Next() bool
Next advances the iterator to the next element.
func (*BufferedSeriesIterator) PeekBack ¶
func (b *BufferedSeriesIterator) PeekBack() (t int64, v float64, ok bool)
PeekBack returns the previous element of the iterator. If there is none buffered, ok is false.
func (*BufferedSeriesIterator) Seek ¶
func (b *BufferedSeriesIterator) Seek(t int64) bool
Seek advances the iterator to the element at time t or greater.
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