mirror of
https://gitee.com/johng/gf.git
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469 lines
13 KiB
Go
469 lines
13 KiB
Go
// Copyright GoFrame Author(https://goframe.org). 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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"context"
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"database/sql"
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"reflect"
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"github.com/gogf/gf/v2/container/gset"
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"github.com/gogf/gf/v2/errors/gcode"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/internal/reflection"
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"github.com/gogf/gf/v2/os/gtime"
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"github.com/gogf/gf/v2/text/gstr"
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"github.com/gogf/gf/v2/util/gconv"
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"github.com/gogf/gf/v2/util/gutil"
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)
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// Batch sets the batch operation number for the model.
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func (m *Model) Batch(batch int) *Model {
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model := m.getModel()
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model.batch = batch
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return model
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}
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// Data sets the operation data for the model.
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// The parameter `data` can be type of string/map/gmap/slice/struct/*struct, etc.
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// Note that, it uses shallow value copying for `data` if `data` is type of map/slice
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// to avoid changing it inside function.
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// Eg:
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// Data("uid=10000")
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// Data("uid", 10000)
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// Data("uid=? AND name=?", 10000, "john")
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// Data(g.Map{"uid": 10000, "name":"john"})
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// Data(g.Slice{g.Map{"uid": 10000, "name":"john"}, g.Map{"uid": 20000, "name":"smith"}).
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func (m *Model) Data(data ...interface{}) *Model {
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var (
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err error
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ctx = m.GetCtx()
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model = m.getModel()
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)
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if len(data) > 1 {
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if s := gconv.String(data[0]); gstr.Contains(s, "?") {
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model.data = s
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model.extraArgs = data[1:]
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} else {
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m := make(map[string]interface{})
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for i := 0; i < len(data); i += 2 {
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m[gconv.String(data[i])] = data[i+1]
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}
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model.data = m
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}
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} else {
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switch value := data[0].(type) {
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case Result:
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model.data = value.List()
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case Record:
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model.data = value.Map()
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case List:
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list := make(List, len(value))
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for k, v := range value {
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list[k] = gutil.MapCopy(v)
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}
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model.data = list
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case Map:
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model.data = gutil.MapCopy(value)
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default:
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reflectInfo := reflection.OriginValueAndKind(value)
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switch reflectInfo.OriginKind {
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case reflect.Slice, reflect.Array:
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if reflectInfo.OriginValue.Len() > 0 {
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// If the `data` parameter is a DO struct,
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// it then adds `OmitNilData` option for this condition,
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// which will filter all nil parameters in `data`.
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if isDoStruct(reflectInfo.OriginValue.Index(0).Interface()) {
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model = model.OmitNilData()
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model.option |= optionOmitNilDataInternal
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}
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}
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list := make(List, reflectInfo.OriginValue.Len())
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for i := 0; i < reflectInfo.OriginValue.Len(); i++ {
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list[i], err = m.db.ConvertDataForRecord(ctx, reflectInfo.OriginValue.Index(i).Interface())
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if err != nil {
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panic(err)
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}
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}
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model.data = list
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case reflect.Struct:
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// If the `data` parameter is a DO struct,
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// it then adds `OmitNilData` option for this condition,
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// which will filter all nil parameters in `data`.
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if isDoStruct(value) {
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model = model.OmitNilData()
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}
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if v, ok := data[0].(iInterfaces); ok {
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var (
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array = v.Interfaces()
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list = make(List, len(array))
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)
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for i := 0; i < len(array); i++ {
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list[i], err = m.db.ConvertDataForRecord(ctx, array[i])
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if err != nil {
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panic(err)
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}
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}
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model.data = list
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} else {
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model.data, err = m.db.ConvertDataForRecord(ctx, data[0])
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if err != nil {
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panic(err)
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}
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}
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case reflect.Map:
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model.data, err = m.db.ConvertDataForRecord(ctx, data[0])
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if err != nil {
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panic(err)
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}
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default:
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model.data = data[0]
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}
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}
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}
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return model
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}
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// OnDuplicate sets the operations when columns conflicts occurs.
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// In MySQL, this is used for "ON DUPLICATE KEY UPDATE" statement.
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// The parameter `onDuplicate` can be type of string/Raw/*Raw/map/slice.
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// Example:
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//
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// OnDuplicate("nickname, age")
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// OnDuplicate("nickname", "age")
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//
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// OnDuplicate(g.Map{
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// "nickname": gdb.Raw("CONCAT('name_', VALUES(`nickname`))"),
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// })
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//
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// OnDuplicate(g.Map{
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// "nickname": "passport",
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// }).
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func (m *Model) OnDuplicate(onDuplicate ...interface{}) *Model {
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model := m.getModel()
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if len(onDuplicate) > 1 {
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model.onDuplicate = onDuplicate
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} else {
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model.onDuplicate = onDuplicate[0]
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}
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return model
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}
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// OnDuplicateEx sets the excluding columns for operations when columns conflict occurs.
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// In MySQL, this is used for "ON DUPLICATE KEY UPDATE" statement.
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// The parameter `onDuplicateEx` can be type of string/map/slice.
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// Example:
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//
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// OnDuplicateEx("passport, password")
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// OnDuplicateEx("passport", "password")
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//
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// OnDuplicateEx(g.Map{
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// "passport": "",
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// "password": "",
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// }).
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func (m *Model) OnDuplicateEx(onDuplicateEx ...interface{}) *Model {
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model := m.getModel()
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if len(onDuplicateEx) > 1 {
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model.onDuplicateEx = onDuplicateEx
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} else {
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model.onDuplicateEx = onDuplicateEx[0]
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}
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return model
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}
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// Insert does "INSERT INTO ..." statement for the model.
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// The optional parameter `data` is the same as the parameter of Model.Data function,
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// see Model.Data.
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func (m *Model) Insert(data ...interface{}) (result sql.Result, err error) {
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var ctx = m.GetCtx()
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if len(data) > 0 {
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return m.Data(data...).Insert()
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}
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return m.doInsertWithOption(ctx, InsertOptionDefault)
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}
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// InsertAndGetId performs action Insert and returns the last insert id that automatically generated.
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func (m *Model) InsertAndGetId(data ...interface{}) (lastInsertId int64, err error) {
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var ctx = m.GetCtx()
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if len(data) > 0 {
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return m.Data(data...).InsertAndGetId()
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}
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result, err := m.doInsertWithOption(ctx, InsertOptionDefault)
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if err != nil {
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return 0, err
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}
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return result.LastInsertId()
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}
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// InsertIgnore does "INSERT IGNORE INTO ..." statement for the model.
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// The optional parameter `data` is the same as the parameter of Model.Data function,
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// see Model.Data.
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func (m *Model) InsertIgnore(data ...interface{}) (result sql.Result, err error) {
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var ctx = m.GetCtx()
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if len(data) > 0 {
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return m.Data(data...).InsertIgnore()
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}
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return m.doInsertWithOption(ctx, InsertOptionIgnore)
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}
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// Replace does "REPLACE INTO ..." statement for the model.
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// The optional parameter `data` is the same as the parameter of Model.Data function,
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// see Model.Data.
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func (m *Model) Replace(data ...interface{}) (result sql.Result, err error) {
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var ctx = m.GetCtx()
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if len(data) > 0 {
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return m.Data(data...).Replace()
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}
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return m.doInsertWithOption(ctx, InsertOptionReplace)
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}
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// Save does "INSERT INTO ... ON DUPLICATE KEY UPDATE..." statement for the model.
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// The optional parameter `data` is the same as the parameter of Model.Data function,
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// see Model.Data.
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//
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// It updates the record if there's primary or unique index in the saving data,
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// or else it inserts a new record into the table.
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func (m *Model) Save(data ...interface{}) (result sql.Result, err error) {
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var ctx = m.GetCtx()
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if len(data) > 0 {
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return m.Data(data...).Save()
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}
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return m.doInsertWithOption(ctx, InsertOptionSave)
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}
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// doInsertWithOption inserts data with option parameter.
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func (m *Model) doInsertWithOption(ctx context.Context, insertOption int) (result sql.Result, err error) {
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defer func() {
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if err == nil {
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m.checkAndRemoveSelectCache(ctx)
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}
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}()
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if m.data == nil {
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return nil, gerror.NewCode(gcode.CodeMissingParameter, "inserting into table with empty data")
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}
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var (
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list List
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nowString = gtime.Now().String()
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fieldNameCreate = m.getSoftFieldNameCreated("", m.tablesInit)
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fieldNameUpdate = m.getSoftFieldNameUpdated("", m.tablesInit)
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)
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newData, err := m.filterDataForInsertOrUpdate(m.data)
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if err != nil {
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return nil, err
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}
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// It converts any data to List type for inserting.
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switch value := newData.(type) {
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case Result:
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list = value.List()
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case Record:
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list = List{value.Map()}
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case List:
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list = value
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for i, v := range list {
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list[i], err = m.db.ConvertDataForRecord(ctx, v)
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if err != nil {
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return nil, err
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}
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}
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case Map:
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var listItem map[string]interface{}
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if listItem, err = m.db.ConvertDataForRecord(ctx, value); err != nil {
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return nil, err
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}
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list = List{listItem}
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default:
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reflectInfo := reflection.OriginValueAndKind(newData)
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switch reflectInfo.OriginKind {
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// If it's slice type, it then converts it to List type.
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case reflect.Slice, reflect.Array:
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list = make(List, reflectInfo.OriginValue.Len())
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for i := 0; i < reflectInfo.OriginValue.Len(); i++ {
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list[i], err = m.db.ConvertDataForRecord(ctx, reflectInfo.OriginValue.Index(i).Interface())
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}
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case reflect.Map:
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var listItem map[string]interface{}
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if listItem, err = m.db.ConvertDataForRecord(ctx, value); err != nil {
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return nil, err
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}
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list = List{listItem}
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case reflect.Struct:
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if v, ok := value.(iInterfaces); ok {
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array := v.Interfaces()
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list = make(List, len(array))
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for i := 0; i < len(array); i++ {
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list[i], err = m.db.ConvertDataForRecord(ctx, array[i])
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if err != nil {
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return nil, err
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}
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}
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} else {
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var listItem map[string]interface{}
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if listItem, err = m.db.ConvertDataForRecord(ctx, value); err != nil {
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return nil, err
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}
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list = List{listItem}
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}
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default:
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return result, gerror.NewCodef(
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gcode.CodeInvalidParameter,
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"unsupported data list type: %v",
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reflectInfo.InputValue.Type(),
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)
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}
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}
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if len(list) < 1 {
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return result, gerror.NewCode(gcode.CodeMissingParameter, "data list cannot be empty")
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}
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// Automatic handling for creating/updating time.
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if !m.unscoped && (fieldNameCreate != "" || fieldNameUpdate != "") {
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for k, v := range list {
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if fieldNameCreate != "" {
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v[fieldNameCreate] = nowString
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}
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if fieldNameUpdate != "" {
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v[fieldNameUpdate] = nowString
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}
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list[k] = v
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}
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}
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// Format DoInsertOption, especially for "ON DUPLICATE KEY UPDATE" statement.
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columnNames := make([]string, 0, len(list[0]))
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for k := range list[0] {
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columnNames = append(columnNames, k)
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}
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doInsertOption, err := m.formatDoInsertOption(insertOption, columnNames)
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if err != nil {
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return result, err
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}
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in := &HookInsertInput{
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internalParamHookInsert: internalParamHookInsert{
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internalParamHook: internalParamHook{
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link: m.getLink(true),
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},
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handler: m.hookHandler.Insert,
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},
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Model: m,
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Table: m.tables,
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Data: list,
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Option: doInsertOption,
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}
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return in.Next(ctx)
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}
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func (m *Model) formatDoInsertOption(insertOption int, columnNames []string) (option DoInsertOption, err error) {
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option = DoInsertOption{
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InsertOption: insertOption,
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BatchCount: m.getBatch(),
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}
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if insertOption == InsertOptionSave {
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onDuplicateExKeys, err := m.formatOnDuplicateExKeys(m.onDuplicateEx)
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if err != nil {
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return option, err
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}
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onDuplicateExKeySet := gset.NewStrSetFrom(onDuplicateExKeys)
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if m.onDuplicate != nil {
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switch m.onDuplicate.(type) {
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case Raw, *Raw:
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option.OnDuplicateStr = gconv.String(m.onDuplicate)
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default:
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reflectInfo := reflection.OriginValueAndKind(m.onDuplicate)
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switch reflectInfo.OriginKind {
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case reflect.String:
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option.OnDuplicateMap = make(map[string]interface{})
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for _, v := range gstr.SplitAndTrim(reflectInfo.OriginValue.String(), ",") {
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if onDuplicateExKeySet.Contains(v) {
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continue
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}
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option.OnDuplicateMap[v] = v
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}
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case reflect.Map:
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option.OnDuplicateMap = make(map[string]interface{})
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for k, v := range gconv.Map(m.onDuplicate) {
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if onDuplicateExKeySet.Contains(k) {
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continue
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}
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option.OnDuplicateMap[k] = v
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}
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case reflect.Slice, reflect.Array:
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option.OnDuplicateMap = make(map[string]interface{})
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for _, v := range gconv.Strings(m.onDuplicate) {
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if onDuplicateExKeySet.Contains(v) {
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continue
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}
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option.OnDuplicateMap[v] = v
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}
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default:
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return option, gerror.NewCodef(
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gcode.CodeInvalidParameter,
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`unsupported OnDuplicate parameter type "%s"`,
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reflect.TypeOf(m.onDuplicate),
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)
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}
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}
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} else if onDuplicateExKeySet.Size() > 0 {
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option.OnDuplicateMap = make(map[string]interface{})
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for _, v := range columnNames {
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if onDuplicateExKeySet.Contains(v) {
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continue
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}
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option.OnDuplicateMap[v] = v
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}
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}
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}
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return
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}
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func (m *Model) formatOnDuplicateExKeys(onDuplicateEx interface{}) ([]string, error) {
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if onDuplicateEx == nil {
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return nil, nil
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}
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reflectInfo := reflection.OriginValueAndKind(onDuplicateEx)
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switch reflectInfo.OriginKind {
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case reflect.String:
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return gstr.SplitAndTrim(reflectInfo.OriginValue.String(), ","), nil
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case reflect.Map:
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return gutil.Keys(onDuplicateEx), nil
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case reflect.Slice, reflect.Array:
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return gconv.Strings(onDuplicateEx), nil
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default:
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return nil, gerror.NewCodef(
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gcode.CodeInvalidParameter,
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`unsupported OnDuplicateEx parameter type "%s"`,
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reflect.TypeOf(onDuplicateEx),
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)
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}
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}
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func (m *Model) getBatch() int {
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return m.batch
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}
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