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37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
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// Copyright 2014 Google Inc. All Rights Reserved.
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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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 datastore
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import (
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"math"
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"time"
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)
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var (
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minTime = time.Unix(int64(math.MinInt64)/1e6, (int64(math.MinInt64)%1e6)*1e3)
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maxTime = time.Unix(int64(math.MaxInt64)/1e6, (int64(math.MaxInt64)%1e6)*1e3)
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)
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func toUnixMicro(t time.Time) int64 {
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// We cannot use t.UnixNano() / 1e3 because we want to handle times more than
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// 2^63 nanoseconds (which is about 292 years) away from 1970, and those cannot
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// be represented in the numerator of a single int64 divide.
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return t.Unix()*1e6 + int64(t.Nanosecond()/1e3)
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}
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func fromUnixMicro(t int64) time.Time {
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return time.Unix(t/1e6, (t%1e6)*1e3)
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}
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