func (self *Dh) RemoveForeverByConditions(conditions interface{}) api.Err {
var res db.Result
var errs api.Err
res = Collection.Find(conditions)
exist, err := res.Count()
if exist == 0 {
errs.Push(api.Msg{
Field: "Delete: ",
Error: api.ErrNoSuchRow,
})
return errs
}
err = res.Remove()
if err == nil {
return errs
} else {
errs.Push(api.Msg{
Field: "Database delete error: ",
Error: err.Error(),
})
}
return errs
}
func (self *Dh) Delete() api.Err {
var res db.Result
var errs api.Err
id := reflect.ValueOf(self.Model).Elem().FieldByName("Id").Interface().(int64)
res = Collection.Find(db.Cond{"id": id})
exist, err := res.Count()
if exist == 0 {
errs.Push(api.Msg{
Field: "Delete: ",
Error: api.ErrNoSuchRow,
})
return errs
}
err = res.Remove()
if err == nil {
return errs
} else {
errs.Push(api.Msg{
Field: "Database delete error: ",
Error: err.Error(),
})
}
return errs
}
// Attempts to delete previously added rows.
func TestRemove(t *testing.T) {
var err error
var res db.Result
var sess db.Database
var artist db.Collection
if sess, err = db.Open(Adapter, settings); err != nil {
t.Fatal(err)
}
defer sess.Close()
if artist, err = sess.Collection("artist"); err != nil {
t.Fatal(err)
}
// Getting the artist with id = 1
res = artist.Find(db.Cond{"id": 1})
// Trying to remove the row.
if err = res.Remove(); err != nil {
t.Fatal(err)
}
}
func TestFibonacci(t *testing.T) {
var err error
var res db.Result
var total uint64
for _, wrapper := range wrappers {
if settings[wrapper] == nil {
t.Fatalf(`No such settings entry for wrapper %s.`, wrapper)
} else {
var sess db.Database
sess, err = db.Open(wrapper, *settings[wrapper])
if err != nil {
t.Fatalf(`Test for wrapper %s failed: %q`, wrapper, err)
}
defer sess.Close()
var col db.Collection
col, err = sess.Collection("fibonacci")
if err != nil {
if wrapper == `mongo` && err == db.ErrCollectionDoesNotExist {
// Expected error with mongodb.
} else {
t.Fatalf(`Could not use collection with wrapper %s: %q`, wrapper, err)
}
}
// Adding some items.
var i uint64
for i = 0; i < 10; i++ {
item := fibonacci{Input: i, Output: fib(i)}
_, err = col.Append(item)
if err != nil {
t.Fatalf(`Could not append item with wrapper %s: %q`, wrapper, err)
}
}
// Testing sorting by function.
res = col.Find(
// 5, 6, 7, 3
db.Or{
db.And{
db.Cond{"input >=": 5},
db.Cond{"input <=": 7},
},
db.Cond{"input": 3},
},
)
// Testing sort by function.
switch wrapper {
case `postgresql`:
res = res.Sort(db.Raw{`RANDOM()`})
case `sqlite`:
res = res.Sort(db.Raw{`RANDOM()`})
case `mysql`:
res = res.Sort(db.Raw{`RAND()`})
}
total, err = res.Count()
if err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
if total != 4 {
t.Fatalf("%s: Expecting a count of 4, got %d.", wrapper, total)
}
// Find() with IN/$in
var whereIn db.Cond
switch wrapper {
case `mongo`:
whereIn = db.Cond{"input": db.Func{"$in", []int{3, 5, 6, 7}}}
default:
whereIn = db.Cond{"input": db.Func{"IN", []int{3, 5, 6, 7}}}
}
res = col.Find(whereIn).Sort("input")
total, err = res.Count()
if err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
if total != 4 {
t.Fatalf(`Expecting a count of 4.`)
}
res = res.Skip(1).Limit(2)
for {
var item fibonacci
err = res.Next(&item)
if err == nil {
switch item.Input {
case 5:
case 6:
if fib(item.Input) != item.Output {
t.Fatalf(`Unexpected value in item with wrapper %s.`, wrapper)
}
default:
t.Fatalf(`Unexpected item: %v with wrapper %s.`, item, wrapper)
}
} else if err == db.ErrNoMoreRows {
break
} else {
t.Fatalf(`%s: %q`, wrapper, err)
}
}
// Find() with range
res = col.Find(
// 5, 6, 7, 3
db.Or{
db.And{
db.Cond{"input >=": 5},
db.Cond{"input <=": 7},
},
db.Cond{"input": 3},
},
).Sort("-input")
if total, err = res.Count(); err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
if total != 4 {
t.Fatalf(`Expecting a count of 4.`)
}
// Skipping.
res = res.Skip(1).Limit(2)
for {
var item fibonacci
err = res.Next(&item)
if err == nil {
switch item.Input {
case 5:
case 6:
if fib(item.Input) != item.Output {
t.Fatalf(`Unexpected value in item with wrapper %s.`, wrapper)
}
default:
t.Fatalf(`Unexpected item: %v with wrapper %s.`, item, wrapper)
}
} else if err == db.ErrNoMoreRows {
break
} else {
t.Fatalf(`%s: %q`, wrapper, err)
}
}
if err = res.Remove(); err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
if total, err = res.Count(); err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
if total != 0 {
t.Fatalf(`%s: Unexpected count %d.`, wrapper, total)
}
res = col.Find()
total, err = res.Count()
if total != 6 {
t.Fatalf(`%s: Unexpected count %d.`, wrapper, total)
}
var items []fibonacci
err = res.All(&items)
if err != nil {
t.Fatalf(`%s: %q`, wrapper, err)
}
for _, item := range items {
switch item.Input {
case 0:
case 1:
case 2:
case 4:
case 8:
case 9:
if fib(item.Input) != item.Output {
t.Fatalf(`Unexpected value in item with wrapper %s.`, wrapper)
}
default:
t.Fatalf(`Unexpected item: %v with wrapper %s.`, item, wrapper)
}
}
err = res.Close()
if err != nil {
t.Errorf("Failed to close result %s: %q.", wrapper, err)
}
err = sess.Close()
if err != nil {
t.Errorf("Failed to close %s: %q.", wrapper, err)
}
}
}
}
func TestSimpleCRUD(t *testing.T) {
var err error
var controlItem birthday
for _, wrapper := range wrappers {
if settings[wrapper] == nil {
t.Fatalf(`No such settings entry for wrapper %s.`, wrapper)
} else {
var sess db.Database
sess, err = db.Open(wrapper, *settings[wrapper])
if err != nil {
t.Fatalf(`Test for wrapper %s failed: %q`, wrapper, err)
}
defer sess.Close()
born := time.Date(1941, time.January, 5, 0, 0, 0, 0, time.Local)
controlItem = birthday{
Name: "Hayao Miyazaki",
Born: born,
BornUT: &timeType{born},
}
col, err := sess.Collection(`birthdays`)
if err != nil {
if wrapper == `mongo` && err == db.ErrCollectionDoesNotExist {
// Expected error with mongodb.
} else {
t.Fatalf(`Could not use collection with wrapper %s: %q`, wrapper, err)
}
}
var id interface{}
if id, err = col.Append(controlItem); err != nil {
t.Fatalf(`Could not append item with wrapper %s: %q`, wrapper, err)
}
var res db.Result
switch wrapper {
case `mongo`:
res = col.Find(db.Cond{"_id": id.(bson.ObjectId)})
case `ql`:
res = col.Find(db.Cond{"id()": id})
default:
res = col.Find(db.Cond{"id": id})
}
var total uint64
total, err = res.Count()
if total != 1 {
t.Fatalf("%s: Expecting one row.", wrapper)
}
// No support for Marshaler and Unmarshaler is implemeted for QL and
// MongoDB.
if wrapper == `ql` || wrapper == `mongo` {
continue
}
var testItem birthday
err = res.One(&testItem)
if err != nil {
t.Fatalf("%s One(): %s", wrapper, err)
}
if reflect.DeepEqual(testItem, controlItem) == false {
t.Errorf("%s: testItem: %v (ts: %v)\n", wrapper, testItem, testItem.BornUT.value.Unix())
t.Errorf("%s: controlItem: %v (ts: %v)\n", wrapper, controlItem, controlItem.BornUT.value.Unix())
t.Fatalf("%s: Structs are different", wrapper)
}
var testItems []birthday
err = res.All(&testItems)
if err != nil {
t.Fatalf("%s All(): %s", wrapper, err)
}
if len(testItems) == 0 {
t.Fatalf("%s All(): Expecting at least one row.", wrapper)
}
for _, testItem = range testItems {
if reflect.DeepEqual(testItem, controlItem) == false {
t.Errorf("%s: testItem: %v\n", wrapper, testItem)
t.Errorf("%s: controlItem: %v\n", wrapper, controlItem)
t.Fatalf("%s: Structs are different", wrapper)
}
}
controlItem.Name = `宮崎駿`
err = res.Update(controlItem)
if err != nil {
t.Fatalf(`Could not update with wrapper %s: %q`, wrapper, err)
}
res.One(&testItem)
if reflect.DeepEqual(testItem, controlItem) == false {
t.Fatalf("Struct is different with wrapper %s.", wrapper)
}
err = res.Remove()
if err != nil {
t.Fatalf(`Could not remove with wrapper %s: %q`, wrapper, err)
}
total, err = res.Count()
if total != 0 {
t.Fatalf(`Expecting no items %s: %q`, wrapper, err)
}
err = res.Close()
if err != nil {
t.Errorf("Failed to close result %s: %q.", wrapper, err)
}
err = sess.Close()
if err != nil {
t.Errorf("Failed to close %s: %q.", wrapper, err)
}
}
}
}
func TestSimpleCRUD(t *testing.T) {
var err error
var controlItem Birthday
for _, wrapper := range wrappers {
if settings[wrapper] == nil {
t.Fatalf(`No such settings entry for wrapper %s.`, wrapper)
} else {
var sess db.Database
sess, err = db.Open(wrapper, *settings[wrapper])
if err != nil {
t.Fatalf(`Test for wrapper %s failed: %s`, wrapper, err.Error())
}
controlItem = Birthday{
Name: "Hayao Miyazaki",
Born: time.Date(1941, time.January, 5, 0, 0, 0, 0, time.Local),
}
col, err := sess.Collection(`birthdays`)
if err != nil {
if wrapper == `mongo` && err == db.ErrCollectionDoesNotExists {
// Expected error with mongodb.
} else {
t.Fatalf(`Could not use collection with wrapper %s: %s`, wrapper, err.Error())
}
}
var id interface{}
id, err = col.Append(controlItem)
if err != nil {
t.Fatalf(`Could not append item with wrapper %s: %s`, wrapper, err.Error())
}
var res db.Result
if wrapper == `mongo` {
res = col.Find(db.Cond{"_id": id})
} else {
res = col.Find(db.Cond{"id": id})
}
var testItem Birthday
res.One(&testItem)
if reflect.DeepEqual(testItem, controlItem) == false {
t.Errorf("Struct is different with wrapper %s.", wrapper)
}
controlItem.Name = `宮崎駿`
err = res.Update(controlItem)
if err != nil {
t.Fatalf(`Could not update with wrapper %s: %s`, wrapper, err.Error())
}
res.One(&testItem)
if reflect.DeepEqual(testItem, controlItem) == false {
t.Errorf("Struct is different with wrapper %s.", wrapper)
}
err = res.Remove()
if err != nil {
t.Fatalf(`Could not update with wrapper %s: %s`, wrapper, err.Error())
}
var total uint64
total, err = res.Count()
if total != 0 {
t.Fatalf(`Expecting no items %s: %s`, wrapper, err.Error())
}
err = res.Close()
if err != nil {
t.Errorf("Failed to close result %s: %s.", wrapper, err.Error())
}
err = sess.Close()
if err != nil {
t.Errorf("Failed to close %s: %s.", wrapper, err.Error())
}
}
}
}