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35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
// Copyright 2016 TiKV Project Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package typeutil
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import "time"
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// ZeroTime is a zero time.
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var ZeroTime = time.Time{}
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// ParseTimestamp returns a timestamp for a given byte slice.
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func ParseTimestamp(data []byte) (time.Time, error) {
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nano, err := BytesToUint64(data)
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if err != nil {
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return ZeroTime, err
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}
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return time.Unix(0, int64(nano)), nil
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}
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// SubTimeByWallClock returns the duration between two different timestamps.
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func SubTimeByWallClock(after time.Time, before time.Time) time.Duration {
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return time.Duration(after.UnixNano() - before.UnixNano())
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}
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