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Make chunkenc.Iterator.At behaviour unspecified without Next done.

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Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
This commit is contained in:
Bartlomiej Plotka 2020-02-11 20:31:17 +00:00
parent ad51c649b5
commit 5d84e5d895
1 changed files with 1 additions and 3 deletions
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4
tsdb/chunkenc/chunk.go
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@ -81,11 +81,9 @@ type Iterator interface {
// If current sample found by previous `Next` or `Seek` operation already has this property, Seek has no effect.
// Seek returns true, if such sample exists, false otherwise.
// Iterator is exhausted when the Seek returns false.
// TODO(bwplotka): Verify above statements on all implementations with unit test.
Seek(t int64) bool
// At returns the current timestamp/value pair.
// At returns (math.MinInt64, 0.0) before the iterator has advanced.
// TODO(bwplotka): Verify above statement on all implementations with unit test.
// Before the iterator has advanced At behaviour is unspecified.
At() (int64, float64)
// Err returns the current error. It should be used only after iterator is
// exhausted, so `Next` or `Seek` returns false.