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orm insert or update
This commit is contained in:
“fudali113”
parent
d11823548b
commit
4b8ecced83
106
orm/db.go
106
orm/db.go
@ -488,6 +488,112 @@ func (d *dbBase) InsertValue(q dbQuerier, mi *modelInfo, isMulti bool, names []s
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return id, err
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}
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//insert or update a row
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//If your primary key or unique column conflict will update
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//if no will insert
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func (d *dbBase) InsertOrUpdate(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, dn string, args ...string) (int64, error) {
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iouStr := ""
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mysql := "mysql"
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postgres := "postgres"
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argsMap := map[string]string{}
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args0 := ""
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if dn == mysql {
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iouStr = "ON DUPLICATE KEY UPDATE"
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} else if dn == postgres {
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if len(args) == 0 || (len(strings.Split(args0, "=")) != 1) {
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return 0, fmt.Errorf("`%s` use insert or update must have a conflict column arg in first", dn)
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} else {
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args0 = args[0]
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iouStr = fmt.Sprintf("ON CONFLICT (%s) DO UPDATE SET", args0)
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}
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} else {
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return 0, fmt.Errorf("`%s` nonsupport insert or update in beego", dn)
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}
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//Get on the key-value pairs
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for _, v := range args {
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kv := strings.Split(v, "=")
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if len(kv) == 2 {
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argsMap[kv[0]] = kv[1]
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}
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}
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isMulti := false
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names := make([]string, 0, len(mi.fields.dbcols)-1)
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Q := d.ins.TableQuote()
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values, _, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, &names, tz)
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if err != nil {
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return 0, err
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}
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marks := make([]string, len(names))
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updateValues := make([]interface{}, 0)
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updates := make([]string, len(names))
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var conflitValue interface{}
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for i, v := range names {
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marks[i] = "?"
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valueStr := argsMap[v]
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if v == args0 {
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conflitValue = values[i]
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}
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if valueStr != "" {
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switch dn {
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case mysql:
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updates[i] = v + "=" + valueStr
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break
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case postgres:
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if conflitValue != nil {
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//postgres ON CONFLICT DO UPDATE SET can`t use colu=colu+values
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updates[i] = fmt.Sprintf("%s=(select %s from %s where %s = ? )", v, valueStr, mi.table, args[0])
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updateValues = append(updateValues, conflitValue)
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} else {
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return 0, fmt.Errorf("`%s` must be in front of `%s` in your struct", args[0], v)
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}
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break
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}
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} else {
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updates[i] = v + "=?"
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updateValues = append(updateValues, values[i])
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}
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}
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values = append(values, updateValues...)
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sep := fmt.Sprintf("%s, %s", Q, Q)
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qmarks := strings.Join(marks, ", ")
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qupdates := strings.Join(updates, ", ")
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columns := strings.Join(names, sep)
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multi := len(values) / len(names)
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if isMulti {
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qmarks = strings.Repeat(qmarks+"), (", multi-1) + qmarks
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}
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//conflitValue maybe is a int,can`t use fmt.Sprintf
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query := fmt.Sprintf("INSERT INTO %s%s%s (%s%s%s) VALUES (%s) %s "+qupdates, Q, mi.table, Q, Q, columns, Q, qmarks, iouStr)
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d.ins.ReplaceMarks(&query)
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if isMulti || !d.ins.HasReturningID(mi, &query) {
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res, err := q.Exec(query, values...)
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if err == nil {
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if isMulti {
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return res.RowsAffected()
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}
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return res.LastInsertId()
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}
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return 0, err
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}
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row := q.QueryRow(query, values...)
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var id int64
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err = row.Scan(&id)
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if err.Error() == `pq: syntax error at or near "ON"` {
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err = fmt.Errorf("postgres version must 9.5 or higher")
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}
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return id, err
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}
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// execute update sql dbQuerier with given struct reflect.Value.
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func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, cols []string) (int64, error) {
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pkName, pkValue, ok := getExistPk(mi, ind)
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13
orm/orm.go
13
orm/orm.go
@ -209,6 +209,19 @@ func (o *orm) InsertMulti(bulk int, mds interface{}) (int64, error) {
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return cnt, nil
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}
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//insert or update data to database
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func (o *orm) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error) {
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mi, ind := o.getMiInd(md, true)
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id, err := o.alias.DbBaser.InsertOrUpdate(o.db, mi, ind, o.alias.TZ, o.alias.DriverName, colConflitAndArgs...)
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if err != nil {
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return id, err
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}
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o.setPk(mi, ind, id)
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return id, nil
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}
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// update model to database.
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// cols set the columns those want to update.
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func (o *orm) Update(md interface{}, cols ...string) (int64, error) {
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@ -2174,3 +2174,76 @@ func TestIgnoreCaseTag(t *testing.T) {
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throwFail(t, AssertIs(info.fields.GetByName("Name02").column, "Name"))
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throwFail(t, AssertIs(info.fields.GetByName("Name03").column, "name"))
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}
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func TestInsertOrUpdate(t *testing.T) {
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user := User{UserName: "unique_username133", Status: 1, Password: "o"}
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user1 := User{UserName: "unique_username133", Status: 2, Password: "o"}
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user2 := User{UserName: "unique_username133", Status: 3, Password: "oo"}
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dORM.Insert(&user)
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fmt.Println(dORM.Driver().Name())
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if dORM.Driver().Name() == "sqlite3" {
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fmt.Println("sqlite3 is nonsupport")
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return
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}
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//test1 普通操作
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_, err := dORM.InsertOrUpdate(&user1, "UserName")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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}
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test := User{UserName: "unique_username133"}
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs(user1.Status, test.Status))
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//test2 普通操作
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_, err = dORM.InsertOrUpdate(&user2, "UserName")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs(user2.Status, test.Status))
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throwFailNow(t, AssertIs(user2.Password, strings.TrimSpace(test.Password)))
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}
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//test3 数字 + 操作
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_, err = dORM.InsertOrUpdate(&user2, "UserName", "Status=Status+1")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs(user2.Status+1, test.Status))
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}
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//test4 数字 - 操作
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_, err = dORM.InsertOrUpdate(&user2, "UserName", "Status=Status-1")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs((user2.Status+1)-1, test.Status))
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}
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//test5 数字 * 操作
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_, err = dORM.InsertOrUpdate(&user2, "UserName", "Status=Status*3")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs(((user2.Status+1)-1)*3, test.Status))
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}
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//test6 数字 / 操作
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_, err = dORM.InsertOrUpdate(&user2, "UserName", "Status=Status/3")
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if err != nil && (err.Error() == "postgres version must 9.5 or higher" || err.Error() == "`sqlite3` nonsupport insert or update in beego") {
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fmt.Println(err)
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} else {
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throwFailNow(t, err)
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time.Sleep(time.Second * 1)
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dORM.Read(&test, "UserName")
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throwFailNow(t, AssertIs((((user2.Status+1)-1)*3)/3, test.Status))
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}
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}
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@ -53,6 +53,11 @@ type Ormer interface {
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// id, err = Ormer.Insert(user)
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// user must a pointer and Insert will set user's pk field
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Insert(interface{}) (int64, error)
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//mysql:InsertOrUpdate(model) or InsertOrUpdate(model,"colu=colu+value")
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//if colu type is integer : can use(+-*/), string : convert(colu,"value")
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//postgres: InsertOrUpdate(model,"conflictColumnName") or InsertOrUpdate(model,"conflictColumnName","colu=colu+value")
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//if colu type is integer : can use(+-*/), string : colu || "value"
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InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error)
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// insert some models to database
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InsertMulti(bulk int, mds interface{}) (int64, error)
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// update model to database.
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@ -391,6 +396,7 @@ type txEnder interface {
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type dbBaser interface {
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Read(dbQuerier, *modelInfo, reflect.Value, *time.Location, []string) error
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Insert(dbQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
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InsertOrUpdate(dbQuerier, *modelInfo, reflect.Value, *time.Location, string, ...string) (int64, error)
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InsertMulti(dbQuerier, *modelInfo, reflect.Value, int, *time.Location) (int64, error)
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InsertValue(dbQuerier, *modelInfo, bool, []string, []interface{}) (int64, error)
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InsertStmt(stmtQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
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