Add more tests for Update

callbacks/helper.go

@@ -13,6 +13,13 @@ func SelectAndOmitColumns(stmt *gorm.Statement) (map[string]bool, bool) {
 
 	// select columns
 	for _, column := range stmt.Selects {
+		if column == "*" {
+			for _, dbName := range stmt.Schema.DBNames {
+				results[dbName] = true
+			}
+			return results, true
+		}
+
 		if field := stmt.Schema.LookUpField(column); field != nil {
 			results[field.DBName] = true
 		} else {

callbacks/update.go

@@ -3,6 +3,7 @@ package callbacks
 import (
 	"reflect"
 	"sort"
+	"time"
 
 	"github.com/jinzhu/gorm"
 	"github.com/jinzhu/gorm/clause"
@@ -89,13 +90,13 @@ func AfterUpdate(db *gorm.DB) {
 }
 
 // ConvertToAssignments convert to update assignments
-func ConvertToAssignments(stmt *gorm.Statement) clause.Set {
+func ConvertToAssignments(stmt *gorm.Statement) (set clause.Set) {
 	selectColumns, restricted := SelectAndOmitColumns(stmt)
 	reflectModelValue := reflect.ValueOf(stmt.Model)
 
 	switch value := stmt.Dest.(type) {
 	case map[string]interface{}:
-		var set clause.Set = make([]clause.Assignment, 0, len(value))
+		set = make([]clause.Assignment, 0, len(value))
 
 		var keys []string
 		for k, _ := range value {
@@ -106,6 +107,9 @@ func ConvertToAssignments(stmt *gorm.Statement) clause.Set {
 		for _, k := range keys {
 			if field := stmt.Schema.LookUpField(k); field != nil {
 				if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
+					if field.AutoUpdateTime > 0 {
+						value[k] = time.Now()
+					}
 					set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: value[k]})
 					field.Set(reflectModelValue, value[k])
 				}
@@ -114,21 +118,47 @@ func ConvertToAssignments(stmt *gorm.Statement) clause.Set {
 			}
 		}
 
-		return set
+		for _, field := range stmt.Schema.FieldsByDBName {
+			if field.AutoUpdateTime > 0 && value[field.Name] == nil && value[field.DBName] == nil {
+				now := time.Now()
+				set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now})
+				field.Set(reflectModelValue, now)
+			}
+		}
 	default:
 		switch stmt.ReflectValue.Kind() {
 		case reflect.Struct:
-			var set clause.Set = make([]clause.Assignment, 0, len(stmt.Schema.FieldsByDBName))
+			set = make([]clause.Assignment, 0, len(stmt.Schema.FieldsByDBName))
 			for _, field := range stmt.Schema.FieldsByDBName {
-				if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
+				if !field.PrimaryKey || stmt.Dest != stmt.Model {
-					value, _ := field.ValueOf(stmt.ReflectValue)
+					if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
-					set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: value})
+						value, isZero := field.ValueOf(stmt.ReflectValue)
-					field.Set(reflectModelValue, value)
+						if field.AutoUpdateTime > 0 {
+							value = time.Now()
+							isZero = false
+						}
+
+						if ok || !isZero {
+							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: value})
+							field.Set(reflectModelValue, value)
+						}
+					}
+				} else {
+					if value, isZero := field.ValueOf(stmt.ReflectValue); !isZero {
+						stmt.AddClause(clause.Where{Exprs: []clause.Expression{clause.Eq{Column: field.DBName, Value: value}}})
+					}
 				}
 			}
-			return set
 		}
 	}
 
-	return clause.Set{}
+	if stmt.Dest != stmt.Model {
+		reflectValue := reflect.ValueOf(stmt.Model)
+		for _, field := range stmt.Schema.PrimaryFields {
+			if value, isZero := field.ValueOf(reflectValue); !isZero {
+				stmt.AddClause(clause.Where{Exprs: []clause.Expression{clause.Eq{Column: field.DBName, Value: value}}})
+			}
+		}
+	}
+	return
 }

finisher_api.go

@@ -2,6 +2,7 @@ package gorm
 
 import (
 	"database/sql"
+	"reflect"
 	"strings"
 
 	"github.com/jinzhu/gorm/clause"
@@ -18,6 +19,26 @@ func (db *DB) Create(value interface{}) (tx *DB) {
 // Save update value in database, if the value doesn't have primary key, will insert it
 func (db *DB) Save(value interface{}) (tx *DB) {
 	tx = db.getInstance()
+	tx.Statement.Dest = value
+
+	if err := tx.Statement.Parse(value); err != nil && tx.Statement.Schema != nil {
+		where := clause.Where{Exprs: make([]clause.Expression, len(tx.Statement.Schema.PrimaryFields))}
+		reflectValue := reflect.ValueOf(value)
+		for idx, pf := range tx.Statement.Schema.PrimaryFields {
+			if pv, isZero := pf.ValueOf(reflectValue); isZero {
+				tx.callbacks.Create().Execute(tx)
+				where.Exprs[idx] = clause.Eq{Column: pf.DBName, Value: pv}
+				return
+			}
+		}
+
+		tx.Statement.AddClause(where)
+	}
+
+	if len(tx.Statement.Selects) == 0 {
+		tx.Statement.Selects = []string{"*"}
+	}
+	tx.callbacks.Update().Execute(tx)
 	return
 }
 

schema/field.go

@@ -164,22 +164,6 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		field.DBDataType = val
 	}
 
-	if v, ok := field.TagSettings["AUTOCREATETIME"]; ok || (field.Name == "CreatedAt" && (field.DataType == Time || field.DataType == Int)) {
-		if strings.ToUpper(v) == "NANO" {
-			field.AutoCreateTime = UnixNanosecond
-		} else {
-			field.AutoCreateTime = UnixSecond
-		}
-	}
-
-	if v, ok := field.TagSettings["AUTOUPDATETIME"]; ok || (field.Name == "UpdatedAt" && (field.DataType == Time || field.DataType == Int)) {
-		if strings.ToUpper(v) == "NANO" {
-			field.AutoUpdateTime = UnixNanosecond
-		} else {
-			field.AutoUpdateTime = UnixSecond
-		}
-	}
-
 	switch fieldValue.Elem().Kind() {
 	case reflect.Bool:
 		field.DataType = Bool
@@ -218,6 +202,22 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		}
 	}
 
+	if v, ok := field.TagSettings["AUTOCREATETIME"]; ok || (field.Name == "CreatedAt" && (field.DataType == Time || field.DataType == Int)) {
+		if strings.ToUpper(v) == "NANO" {
+			field.AutoCreateTime = UnixNanosecond
+		} else {
+			field.AutoCreateTime = UnixSecond
+		}
+	}
+
+	if v, ok := field.TagSettings["AUTOUPDATETIME"]; ok || (field.Name == "UpdatedAt" && (field.DataType == Time || field.DataType == Int)) {
+		if strings.ToUpper(v) == "NANO" {
+			field.AutoUpdateTime = UnixNanosecond
+		} else {
+			field.AutoUpdateTime = UnixSecond
+		}
+	}
+
 	if field.Size == 0 {
 		switch fieldValue.Kind() {
 		case reflect.Int, reflect.Int64, reflect.Uint, reflect.Uint64, reflect.Float64:

tests/tests.go

@@ -1,7 +1,6 @@
 package tests
 
 import (
-	"log"
 	"reflect"
 	"strconv"
 	"testing"
@@ -22,6 +21,7 @@ func RunTestsSuit(t *testing.T, db *gorm.DB) {
 }
 
 func TestCreate(t *testing.T, db *gorm.DB) {
+	db.Migrator().DropTable(&User{})
 	db.AutoMigrate(&User{})
 
 	t.Run("Create", func(t *testing.T) {
@@ -39,6 +39,14 @@ func TestCreate(t *testing.T, db *gorm.DB) {
 			t.Errorf("user's primary key should has value after create, got : %v", user.ID)
 		}
 
+		if user.CreatedAt.IsZero() {
+			t.Errorf("user's created at should be not zero")
+		}
+
+		if user.UpdatedAt.IsZero() {
+			t.Errorf("user's updated at should be not zero")
+		}
+
 		var newUser User
 		if err := db.Where("id = ?", user.ID).First(&newUser).Error; err != nil {
 			t.Errorf("errors happened when query: %v", err)
@@ -119,7 +127,6 @@ func TestFind(t *testing.T, db *gorm.DB) {
 		if err := db.Model(&User{}).Where("name = ?", "find").Find(&allMap).Error; err != nil {
 			t.Errorf("errors happened when query first: %v", err)
 		} else {
-			log.Printf("all map %+v %+v", len(allMap), allMap)
 			for idx, user := range users {
 				t.Run("FindAllMap#"+strconv.Itoa(idx+1), func(t *testing.T) {
 					for _, name := range []string{"Name", "Age", "Birthday"} {
@@ -140,21 +147,64 @@ func TestUpdate(t *testing.T, db *gorm.DB) {
 	db.AutoMigrate(&User{})
 
 	t.Run("Update", func(t *testing.T) {
-		var user = User{
+		var (
-			Name:     "create",
+			users = []*User{{
-			Age:      18,
+				Name:     "update-before",
-			Birthday: Now(),
+				Age:      1,
+				Birthday: Now(),
+			}, {
+				Name:     "update",
+				Age:      18,
+				Birthday: Now(),
+			}, {
+				Name:     "update-after",
+				Age:      1,
+				Birthday: Now(),
+			}}
+			user          = users[1]
+			lastUpdatedAt time.Time
+		)
+
+		checkUpdatedTime := func(name string, n time.Time) {
+			if n.UnixNano() == lastUpdatedAt.UnixNano() {
+				t.Errorf("%v: user's updated at should be changed, but got %v, was %v", name, n, lastUpdatedAt)
+			}
+			lastUpdatedAt = n
 		}
 
-		if err := db.Create(&user).Error; err != nil {
+		checkOtherData := func(name string) {
+			var beforeUser, afterUser User
+			if err := db.Where("id = ?", users[0].ID).First(&beforeUser).Error; err != nil {
+				t.Errorf("errors happened when query before user: %v", err)
+			}
+			t.Run(name, func(t *testing.T) {
+				AssertObjEqual(t, beforeUser, users[0], "Name", "Age", "Birthday")
+			})
+
+			if err := db.Where("id = ?", users[2].ID).First(&afterUser).Error; err != nil {
+				t.Errorf("errors happened when query after user: %v", err)
+			}
+			t.Run(name, func(t *testing.T) {
+				AssertObjEqual(t, afterUser, users[2], "Name", "Age", "Birthday")
+			})
+		}
+
+		if err := db.Create(&users).Error; err != nil {
 			t.Errorf("errors happened when create: %v", err)
+		} else if user.ID == 0 {
+			t.Errorf("user's primary value should not zero, %v", user.ID)
+		} else if user.UpdatedAt.IsZero() {
+			t.Errorf("user's updated at should not zero, %v", user.UpdatedAt)
 		}
+		lastUpdatedAt = user.UpdatedAt
 
-		if err := db.Model(&user).Update("Age", 10).Error; err != nil {
+		if err := db.Model(user).Update("Age", 10).Error; err != nil {
 			t.Errorf("errors happened when update: %v", err)
 		} else if user.Age != 10 {
 			t.Errorf("Age should equals to 10, but got %v", user.Age)
 		}
+		checkUpdatedTime("Update", user.UpdatedAt)
+		checkOtherData("Update")
 
 		var result User
 		if err := db.Where("id = ?", user.ID).First(&result).Error; err != nil {
@@ -164,13 +214,15 @@ func TestUpdate(t *testing.T, db *gorm.DB) {
 		}
 
 		values := map[string]interface{}{"Active": true, "age": 5}
-		if err := db.Model(&user).Updates(values).Error; err != nil {
+		if err := db.Model(user).Updates(values).Error; err != nil {
 			t.Errorf("errors happened when update: %v", err)
 		} else if user.Age != 5 {
 			t.Errorf("Age should equals to 5, but got %v", user.Age)
 		} else if user.Active != true {
 			t.Errorf("Active should be true, but got %v", user.Active)
 		}
+		checkUpdatedTime("Updates with map", user.UpdatedAt)
+		checkOtherData("Updates with map")
 
 		var result2 User
 		if err := db.Where("id = ?", user.ID).First(&result2).Error; err != nil {
@@ -179,11 +231,13 @@ func TestUpdate(t *testing.T, db *gorm.DB) {
 			AssertObjEqual(t, result2, user, "Name", "Age", "Birthday")
 		}
 
-		if err := db.Model(&user).Updates(User{Age: 2}).Error; err != nil {
+		if err := db.Model(user).Updates(User{Age: 2}).Error; err != nil {
 			t.Errorf("errors happened when update: %v", err)
 		} else if user.Age != 2 {
 			t.Errorf("Age should equals to 2, but got %v", user.Age)
 		}
+		checkUpdatedTime("Updates with struct", user.UpdatedAt)
+		checkOtherData("Updates with struct")
 
 		var result3 User
 		if err := db.Where("id = ?", user.ID).First(&result3).Error; err != nil {
@@ -191,5 +245,24 @@ func TestUpdate(t *testing.T, db *gorm.DB) {
 		} else {
 			AssertObjEqual(t, result3, user, "Name", "Age", "Birthday")
 		}
+
+		user.Active = false
+		user.Age = 1
+		if err := db.Save(user).Error; err != nil {
+			t.Errorf("errors happened when update: %v", err)
+		} else if user.Age != 1 {
+			t.Errorf("Age should equals to 1, but got %v", user.Age)
+		} else if user.Active != false {
+			t.Errorf("Active should equals to false, but got %v", user.Active)
+		}
+		checkUpdatedTime("Save", user.UpdatedAt)
+		checkOtherData("Save")
+
+		var result4 User
+		if err := db.Where("id = ?", user.ID).First(&result4).Error; err != nil {
+			t.Errorf("errors happened when query: %v", err)
+		} else {
+			AssertObjEqual(t, result4, user, "Name", "Age", "Birthday")
+		}
 	})
 }

utils/utils.go

@@ -6,8 +6,8 @@ import (
 	"runtime"
 )
 
-var goSrcRegexp = regexp.MustCompile(`/gorm/.*\.go`)
+var goSrcRegexp = regexp.MustCompile(`/gorm/.*.go`)
-var goTestRegexp = regexp.MustCompile(`/gorm/.*test\.go`)
+var goTestRegexp = regexp.MustCompile(`/gorm/.*test.*.go`)
 
 func FileWithLineNum() string {
 	for i := 2; i < 15; i++ {