gf/database/gdb/gdb_model_delete.go
2021-11-13 23:23:55 +08:00

52 lines
1.6 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gdb
import (
"database/sql"
"fmt"
"github.com/gogf/gf/v2/errors/gcode"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/os/gtime"
"github.com/gogf/gf/v2/text/gstr"
)
// Delete does "DELETE FROM ... " statement for the model.
// The optional parameter `where` is the same as the parameter of Model.Where function,
// see Model.Where.
func (m *Model) Delete(where ...interface{}) (result sql.Result, err error) {
if len(where) > 0 {
return m.Where(where[0], where[1:]...).Delete()
}
defer func() {
if err == nil {
m.checkAndRemoveCache()
}
}()
var (
fieldNameDelete = m.getSoftFieldNameDeleted()
conditionWhere, conditionExtra, conditionArgs = m.formatCondition(false, false)
)
// Soft deleting.
if !m.unscoped && fieldNameDelete != "" {
return m.db.DoUpdate(
m.GetCtx(),
m.getLink(true),
m.tables,
fmt.Sprintf(`%s=?`, m.db.GetCore().QuoteString(fieldNameDelete)),
conditionWhere+conditionExtra,
append([]interface{}{gtime.Now().String()}, conditionArgs...),
)
}
conditionStr := conditionWhere + conditionExtra
if !gstr.ContainsI(conditionStr, " WHERE ") {
return nil, gerror.NewCode(gcode.CodeMissingParameter, "there should be WHERE condition statement for DELETE operation")
}
return m.db.DoDelete(m.GetCtx(), m.getLink(true), m.tables, conditionStr, conditionArgs...)
}