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Merge pull request #1826 from miraclesu/feature/orm_auto

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orm: support insert a specified value to auto field
This commit is contained in:
astaxie 2016-03-28 12:04:31 +08:00
commit 699de2ae75
5 changed files with 110 additions and 26 deletions
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2
error_test.go
View File

@ -41,7 +41,7 @@ func (ec *errorTestController) Get() {
func TestErrorCode_01(t *testing.T) {
registerDefaultErrorHandler()
for k, _ := range ErrorMaps {
for k := range ErrorMaps {
r, _ := http.NewRequest("GET", "/error?code="+k, nil)
w := httptest.NewRecorder()

76
orm/db.go
View File

@ -71,12 +71,12 @@ type dbBase struct {
var _ dbBaser = new(dbBase)
// get struct columns values as interface slice.
func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, cols []string, skipAuto bool, insert bool, names *[]string, tz *time.Location) (values []interface{}, err error) {
var columns []string
if names != nil {
columns = *names
func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, cols []string, skipAuto bool, insert bool, names *[]string, tz *time.Location) (values []interface{}, autoFields []string, err error) {
if names == nil {
ns := make([]string, 0, len(cols))
names = &ns
}
values = make([]interface{}, 0, len(cols))
for _, column := range cols {
var fi *fieldInfo
@ -90,18 +90,24 @@ func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, cols []string,
}
value, err := d.collectFieldValue(mi, fi, ind, insert, tz)
if err != nil {
return nil, err
return nil, nil, err
}
if names != nil {
columns = append(columns, column)
// ignore empty value auto field
if insert && fi.auto {
if fi.fieldType&IsPositiveIntegerField > 0 {
if vu, ok := value.(uint64); !ok || vu == 0 {
continue
}
} else {
if vu, ok := value.(int64); !ok || vu == 0 {
continue
}
}
autoFields = append(autoFields, fi.column)
}
values = append(values, value)
}
if names != nil {
*names = columns
*names, values = append(*names, column), append(values, value)
}
return
@ -273,7 +279,7 @@ func (d *dbBase) PrepareInsert(q dbQuerier, mi *modelInfo) (stmtQuerier, string,
// insert struct with prepared statement and given struct reflect value.
func (d *dbBase) InsertStmt(stmt stmtQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) (int64, error) {
values, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, nil, tz)
values, _, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, nil, tz)
if err != nil {
return 0, err
}
@ -300,7 +306,7 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
if len(cols) > 0 {
var err error
whereCols = make([]string, 0, len(cols))
args, err = d.collectValues(mi, ind, cols, false, false, &whereCols, tz)
args, _, err = d.collectValues(mi, ind, cols, false, false, &whereCols, tz)
if err != nil {
return err
}
@ -349,13 +355,21 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
// execute insert sql dbQuerier with given struct reflect.Value.
func (d *dbBase) Insert(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) (int64, error) {
names := make([]string, 0, len(mi.fields.dbcols)-1)
values, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, &names, tz)
names := make([]string, 0, len(mi.fields.dbcols))
values, autoFields, err := d.collectValues(mi, ind, mi.fields.dbcols, false, true, &names, tz)
if err != nil {
return 0, err
}
return d.InsertValue(q, mi, false, names, values)
id, err := d.InsertValue(q, mi, false, names, values)
if err != nil {
return 0, err
}
if len(autoFields) > 0 {
err = d.ins.setval(q, mi, autoFields)
}
return id, err
}
// multi-insert sql with given slice struct reflect.Value.
@ -369,7 +383,7 @@ func (d *dbBase) InsertMulti(q dbQuerier, mi *modelInfo, sind reflect.Value, bul
// typ := reflect.Indirect(mi.addrField).Type()
length := sind.Len()
length, autoFields := sind.Len(), make([]string, 0, 1)
for i := 1; i <= length; i++ {
@ -381,16 +395,18 @@ func (d *dbBase) InsertMulti(q dbQuerier, mi *modelInfo, sind reflect.Value, bul
// }
if i == 1 {
vus, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, &names, tz)
var (
vus []interface{}
err error
)
vus, autoFields, err = d.collectValues(mi, ind, mi.fields.dbcols, false, true, &names, tz)
if err != nil {
return cnt, err
}
values = make([]interface{}, bulk*len(vus))
nums += copy(values, vus)
} else {
vus, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, nil, tz)
vus, _, err := d.collectValues(mi, ind, mi.fields.dbcols, false, true, nil, tz)
if err != nil {
return cnt, err
}
@ -412,7 +428,12 @@ func (d *dbBase) InsertMulti(q dbQuerier, mi *modelInfo, sind reflect.Value, bul
}
}
return cnt, nil
var err error
if len(autoFields) > 0 {
err = d.ins.setval(q, mi, autoFields)
}
return cnt, err
}
// execute insert sql with given struct and given values.
@ -472,7 +493,7 @@ func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
setNames = make([]string, 0, len(cols))
}
setValues, err := d.collectValues(mi, ind, cols, true, false, &setNames, tz)
setValues, _, err := d.collectValues(mi, ind, cols, true, false, &setNames, tz)
if err != nil {
return 0, err
}
@ -1562,6 +1583,11 @@ func (d *dbBase) HasReturningID(*modelInfo, *string) bool {
return false
}
// sync auto key
func (d *dbBase) setval(db dbQuerier, mi *modelInfo, autoFields []string) error {
return nil
}
// convert time from db.
func (d *dbBase) TimeFromDB(t *time.Time, tz *time.Location) {
*t = t.In(tz)

19
orm/db_postgres.go
View File

@ -135,6 +135,25 @@ func (d *dbBasePostgres) HasReturningID(mi *modelInfo, query *string) bool {
return true
}
// sync auto key
func (d *dbBasePostgres) setval(db dbQuerier, mi *modelInfo, autoFields []string) error {
if len(autoFields) == 0 {
return nil
}
Q := d.ins.TableQuote()
for _, name := range autoFields {
query := fmt.Sprintf("SELECT setval(pg_get_serial_sequence('%s', '%s'), (SELECT MAX(%s%s%s) FROM %s%s%s));",
mi.table, name,
Q, name, Q,
Q, mi.table, Q)
if _, err := db.Exec(query); err != nil {
return err
}
}
return nil
}
// show table sql for postgresql.
func (d *dbBasePostgres) ShowTablesQuery() string {
return "SELECT table_name FROM information_schema.tables WHERE table_type = 'BASE TABLE' AND table_schema NOT IN ('pg_catalog', 'information_schema')"

38
orm/orm_test.go
View File

@ -2016,6 +2016,44 @@ func TestIntegerPk(t *testing.T) {
}
}
func TestInsertAuto(t *testing.T) {
u := &User{
UserName: "autoPre",
Email: "autoPre@gmail.com",
}
id, err := dORM.Insert(u)
throwFail(t, err)
id += 100
su := &User{
ID: int(id),
UserName: "auto",
Email: "auto@gmail.com",
}
nid, err := dORM.Insert(su)
throwFail(t, err)
throwFail(t, AssertIs(nid, id))
users := []User{
{ID: int(id + 100), UserName: "auto_100"},
{ID: int(id + 110), UserName: "auto_110"},
{ID: int(id + 120), UserName: "auto_120"},
}
num, err := dORM.InsertMulti(100, users)
throwFail(t, err)
throwFail(t, AssertIs(num, 3))
u = &User{
UserName: "auto_121",
}
nid, err = dORM.Insert(u)
throwFail(t, err)
throwFail(t, AssertIs(nid, id+120+1))
}
func TestUintPk(t *testing.T) {
name := "go"
u := &UintPk{

1
orm/types.go
View File

@ -420,4 +420,5 @@ type dbBaser interface {
ShowColumnsQuery(string) string
IndexExists(dbQuerier, string, string) bool
collectFieldValue(*modelInfo, *fieldInfo, reflect.Value, bool, *time.Location) (interface{}, error)
setval(dbQuerier, *modelInfo, []string) error
}