mirror of
https://github.com/astaxie/beego.git
synced 2024-11-27 19:51:29 +00:00
104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
// Copyright 2020 beego-dev
|
|
//
|
|
// 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,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package hints
|
|
|
|
import (
|
|
"github.com/astaxie/beego/core/utils"
|
|
)
|
|
|
|
const (
|
|
//query level
|
|
KeyForceIndex = iota
|
|
KeyUseIndex
|
|
KeyIgnoreIndex
|
|
KeyForUpdate
|
|
KeyLimit
|
|
KeyOffset
|
|
KeyOrderBy
|
|
KeyRelDepth
|
|
)
|
|
|
|
type Hint struct {
|
|
key interface{}
|
|
value interface{}
|
|
}
|
|
|
|
var _ utils.KV = new(Hint)
|
|
|
|
// GetKey return key
|
|
func (s *Hint) GetKey() interface{} {
|
|
return s.key
|
|
}
|
|
|
|
// GetValue return value
|
|
func (s *Hint) GetValue() interface{} {
|
|
return s.value
|
|
}
|
|
|
|
var _ utils.KV = new(Hint)
|
|
|
|
// ForceIndex return a hint about ForceIndex
|
|
func ForceIndex(indexes ...string) *Hint {
|
|
return NewHint(KeyForceIndex, indexes)
|
|
}
|
|
|
|
// UseIndex return a hint about UseIndex
|
|
func UseIndex(indexes ...string) *Hint {
|
|
return NewHint(KeyUseIndex, indexes)
|
|
}
|
|
|
|
// IgnoreIndex return a hint about IgnoreIndex
|
|
func IgnoreIndex(indexes ...string) *Hint {
|
|
return NewHint(KeyIgnoreIndex, indexes)
|
|
}
|
|
|
|
// ForUpdate return a hint about ForUpdate
|
|
func ForUpdate() *Hint {
|
|
return NewHint(KeyForUpdate, true)
|
|
}
|
|
|
|
// DefaultRelDepth return a hint about DefaultRelDepth
|
|
func DefaultRelDepth() *Hint {
|
|
return NewHint(KeyRelDepth, true)
|
|
}
|
|
|
|
// RelDepth return a hint about RelDepth
|
|
func RelDepth(d int) *Hint {
|
|
return NewHint(KeyRelDepth, d)
|
|
}
|
|
|
|
// Limit return a hint about Limit
|
|
func Limit(d int64) *Hint {
|
|
return NewHint(KeyLimit, d)
|
|
}
|
|
|
|
// Offset return a hint about Offset
|
|
func Offset(d int64) *Hint {
|
|
return NewHint(KeyOffset, d)
|
|
}
|
|
|
|
// OrderBy return a hint about OrderBy
|
|
func OrderBy(s string) *Hint {
|
|
return NewHint(KeyOrderBy, s)
|
|
}
|
|
|
|
// NewHint return a hint
|
|
func NewHint(key interface{}, value interface{}) *Hint {
|
|
return &Hint{
|
|
key: key,
|
|
value: value,
|
|
}
|
|
}
|