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84 lines
2.5 KiB
Go
84 lines
2.5 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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"errors"
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"fmt"
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"github.com/gogf/gf/os/gtime"
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"github.com/gogf/gf/text/gstr"
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"github.com/gogf/gf/util/gconv"
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"github.com/gogf/gf/util/gutil"
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"reflect"
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)
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// Update does "UPDATE ... " statement for the model.
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//
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// If the optional parameter <dataAndWhere> is given, the dataAndWhere[0] is the updated data field,
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// and dataAndWhere[1:] is treated as where condition fields.
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// Also see Model.Data and Model.Where functions.
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func (m *Model) Update(dataAndWhere ...interface{}) (result sql.Result, err error) {
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if len(dataAndWhere) > 0 {
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if len(dataAndWhere) > 2 {
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return m.Data(dataAndWhere[0]).Where(dataAndWhere[1], dataAndWhere[2:]...).Update()
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} else if len(dataAndWhere) == 2 {
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return m.Data(dataAndWhere[0]).Where(dataAndWhere[1]).Update()
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} else {
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return m.Data(dataAndWhere[0]).Update()
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}
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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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if m.data == nil {
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return nil, errors.New("updating table with empty data")
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}
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var (
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updateData = m.data
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fieldNameCreate = m.getSoftFieldNameCreate()
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fieldNameUpdate = m.getSoftFieldNameUpdate()
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fieldNameDelete = m.getSoftFieldNameDelete()
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conditionWhere, conditionExtra, conditionArgs = m.formatCondition(false)
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)
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// Automatically update the record updating time.
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if !m.unscoped && fieldNameUpdate != "" {
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var (
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refValue = reflect.ValueOf(m.data)
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refKind = refValue.Kind()
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)
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if refKind == reflect.Ptr {
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refValue = refValue.Elem()
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refKind = refValue.Kind()
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}
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switch refKind {
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case reflect.Map, reflect.Struct:
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dataMap := DataToMapDeep(m.data)
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gutil.MapDelete(dataMap, fieldNameCreate, fieldNameUpdate, fieldNameDelete)
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if fieldNameUpdate != "" {
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dataMap[fieldNameUpdate] = gtime.Now().String()
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}
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updateData = dataMap
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default:
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updates := gconv.String(m.data)
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if fieldNameUpdate != "" && !gstr.Contains(updates, fieldNameUpdate) {
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updates += fmt.Sprintf(`,%s='%s'`, fieldNameUpdate, gtime.Now().String())
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}
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updateData = updates
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}
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}
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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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m.filterDataForInsertOrUpdate(updateData),
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conditionWhere+conditionExtra,
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m.mergeArguments(conditionArgs)...,
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)
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}
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