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gitea/vendor/github.com/pingcap/tidb/kv/key.go
Thomas Boerger b6a95a8cb3 Integrate public as bindata optionally (#293)
* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix
2016-11-30 00:26:36 +08:00

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1.6 KiB
Go

// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package kv
import "bytes"
// Key represents high-level Key type.
type Key []byte
// Next returns the next key in byte-order.
func (k Key) Next() Key {
// add 0x0 to the end of key
buf := make([]byte, len([]byte(k))+1)
copy(buf, []byte(k))
return buf
}
// Cmp returns the comparison result of two key.
// The result will be 0 if a==b, -1 if a < b, and +1 if a > b.
func (k Key) Cmp(another Key) int {
return bytes.Compare(k, another)
}
// HasPrefix tests whether the Key begins with prefix.
func (k Key) HasPrefix(prefix Key) bool {
return bytes.HasPrefix(k, prefix)
}
// Clone returns a copy of the Key.
func (k Key) Clone() Key {
return append([]byte(nil), k...)
}
// EncodedKey represents encoded key in low-level storage engine.
type EncodedKey []byte
// Cmp returns the comparison result of two key.
// The result will be 0 if a==b, -1 if a < b, and +1 if a > b.
func (k EncodedKey) Cmp(another EncodedKey) int {
return bytes.Compare(k, another)
}
// Next returns the next key in byte-order.
func (k EncodedKey) Next() EncodedKey {
return EncodedKey(bytes.Join([][]byte{k, Key{0}}, nil))
}