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gitea/vendor/xorm.io/xorm/schemas/pk.go
2021-05-14 20:17:06 +01:00

47 lines
932 B
Go
Vendored

// Copyright 2019 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package schemas
import (
"bytes"
"encoding/gob"
"xorm.io/xorm/internal/utils"
)
// PK represents primary key values
type PK []interface{}
// NewPK creates primay keys
func NewPK(pks ...interface{}) *PK {
p := PK(pks)
return &p
}
// IsZero return true if primay keys are zero
func (p *PK) IsZero() bool {
for _, k := range *p {
if utils.IsZero(k) {
return true
}
}
return false
}
// ToString convert to SQL string
func (p *PK) ToString() (string, error) {
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
err := enc.Encode(*p)
return buf.String(), err
}
// FromString reads content to load primary keys
func (p *PK) FromString(content string) error {
dec := gob.NewDecoder(bytes.NewBufferString(content))
err := dec.Decode(p)
return err
}