b6a95a8cb3
* 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
58 lines
1.6 KiB
Go
58 lines
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))
|
|
}
|