79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
// Copyright © 2016 Abcum Ltd
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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 keys
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import "time"
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const (
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// Ignore specifies an ignored field
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Ignore = ignore
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// Prefix is the lowest char found in a key
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Prefix = prefix
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// Suffix is the highest char found in a key
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Suffix = suffix
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// Ignore specifies an ignored field
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ignore = "\x01"
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// Prefix is the lowest char found in a key
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prefix = "\x00"
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// Suffix is the highest char found in a key
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suffix = "\xff"
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)
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var (
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// StartOfTime is a datetime in the past
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StartOfTime = time.Unix(0, 0)
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// EndOfTime is a datetime in the future
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EndOfTime = time.Now().AddDate(50, 0, 0)
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)
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var (
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cEND = byte(0x00)
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cPRE = byte(0x01)
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cNIL = byte(0x02)
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cVAL = byte(0x03)
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cTME = byte(0x04)
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cNEG = byte(0x05)
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cPOS = byte(0x06)
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cSTR = byte(0x07)
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cARR = byte(0x08)
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cSUF = byte(0x09)
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)
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var (
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bEND = []byte{cEND}
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bPRE = []byte{cPRE}
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bNIL = []byte{cNIL}
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bVAL = []byte{cVAL}
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bTME = []byte{cTME}
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bNEG = []byte{cNEG}
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bPOS = []byte{cPOS}
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bSTR = []byte{cSTR}
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bARR = []byte{cARR}
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bSUF = []byte{cSUF}
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)
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const (
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// MinNumber is the minimum number which can be accurately serialized
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MinNumber = -1 << 53
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// MaxNumber is the maximum number which can be accurately serialized
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MaxNumber = 1<<53 - 1
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)
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// Key ...
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type Key interface {
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String() string
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Encode() []byte
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Decode(data []byte)
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}
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