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49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gdb
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import (
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"database/sql"
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"fmt"
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"github.com/gogf/gf/errors/gerror"
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"github.com/gogf/gf/os/gtime"
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"github.com/gogf/gf/text/gstr"
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)
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// Delete does "DELETE FROM ... " statement for the model.
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// The optional parameter <where> is the same as the parameter of Model.Where function,
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// see Model.Where.
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func (m *Model) Delete(where ...interface{}) (result sql.Result, err error) {
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if len(where) > 0 {
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return m.Where(where[0], where[1:]...).Delete()
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}
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defer func() {
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if err == nil {
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m.checkAndRemoveCache()
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}
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}()
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var (
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fieldNameDelete = m.getSoftFieldNameDeleted()
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conditionWhere, conditionExtra, conditionArgs = m.formatCondition(false, false)
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)
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// Soft deleting.
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if !m.unscoped && fieldNameDelete != "" {
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return m.db.DoUpdate(
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m.getLink(true),
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m.tables,
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fmt.Sprintf(`%s=?`, m.db.QuoteString(fieldNameDelete)),
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conditionWhere+conditionExtra,
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append([]interface{}{gtime.Now().String()}, conditionArgs...),
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)
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}
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conditionStr := conditionWhere + conditionExtra
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if !gstr.ContainsI(conditionStr, " WHERE ") {
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return nil, gerror.New("there should be WHERE condition statement for DELETE operation")
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}
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return m.db.DoDelete(m.getLink(true), m.tables, conditionStr, conditionArgs...)
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}
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