Fix create from map

callbacks/associations.go

@@ -48,6 +48,8 @@ func SaveBeforeAssociations(db *gorm.DB) {
 				elems := reflect.MakeSlice(reflect.SliceOf(fieldType), 0, 0)
 				for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
 					obj := db.Statement.ReflectValue.Index(i)
+
+					if reflect.Indirect(obj).Kind() == reflect.Struct {
 						if _, zero := rel.Field.ValueOf(obj); !zero { // check belongs to relation value
 							rv := rel.Field.ReflectValueOf(obj) // relation reflect value
 							objs = append(objs, obj)
@@ -57,6 +59,9 @@ func SaveBeforeAssociations(db *gorm.DB) {
 								elems = reflect.Append(elems, rv.Addr())
 							}
 						}
+					} else {
+						break
+					}
 				}
 
 				if elems.Len() > 0 {
@@ -112,6 +117,7 @@ func SaveAfterAssociations(db *gorm.DB) {
 				for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
 					obj := db.Statement.ReflectValue.Index(i)
 
+					if reflect.Indirect(obj).Kind() == reflect.Struct {
 						if _, zero := rel.Field.ValueOf(obj); !zero {
 							rv := rel.Field.ReflectValueOf(obj)
 							if rv.Kind() != reflect.Ptr {
@@ -130,6 +136,7 @@ func SaveAfterAssociations(db *gorm.DB) {
 							elems = reflect.Append(elems, rv)
 						}
 					}
+				}
 
 				if elems.Len() > 0 {
 					assignmentColumns := []string{}
@@ -207,7 +214,10 @@ func SaveAfterAssociations(db *gorm.DB) {
 			switch db.Statement.ReflectValue.Kind() {
 			case reflect.Slice, reflect.Array:
 				for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
-					appendToElems(db.Statement.ReflectValue.Index(i))
+					obj := db.Statement.ReflectValue.Index(i)
+					if reflect.Indirect(obj).Kind() == reflect.Struct {
+						appendToElems(obj)
+					}
 				}
 			case reflect.Struct:
 				appendToElems(db.Statement.ReflectValue)
@@ -277,7 +287,10 @@ func SaveAfterAssociations(db *gorm.DB) {
 			switch db.Statement.ReflectValue.Kind() {
 			case reflect.Slice, reflect.Array:
 				for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
-					appendToElems(db.Statement.ReflectValue.Index(i))
+					obj := db.Statement.ReflectValue.Index(i)
+					if reflect.Indirect(obj).Kind() == reflect.Struct {
+						appendToElems(obj)
+					}
 				}
 			case reflect.Struct:
 				appendToElems(db.Statement.ReflectValue)

callbacks/create.go

@@ -61,16 +61,26 @@ func Create(config *Config) func(db *gorm.DB) {
 									case reflect.Slice, reflect.Array:
 										if config.LastInsertIDReversed {
 											for i := db.Statement.ReflectValue.Len() - 1; i >= 0; i-- {
-												_, isZero := db.Statement.Schema.PrioritizedPrimaryField.ValueOf(db.Statement.ReflectValue.Index(i))
+												rv := db.Statement.ReflectValue.Index(i)
+												if reflect.Indirect(rv).Kind() != reflect.Struct {
+													break
+												}
+
+												_, isZero := db.Statement.Schema.PrioritizedPrimaryField.ValueOf(rv)
 												if isZero {
-													db.Statement.Schema.PrioritizedPrimaryField.Set(db.Statement.ReflectValue.Index(i), insertID)
+													db.Statement.Schema.PrioritizedPrimaryField.Set(rv, insertID)
 													insertID--
 												}
 											}
 										} else {
 											for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
-												if _, isZero := db.Statement.Schema.PrioritizedPrimaryField.ValueOf(db.Statement.ReflectValue.Index(i)); isZero {
+												rv := db.Statement.ReflectValue.Index(i)
-													db.Statement.Schema.PrioritizedPrimaryField.Set(db.Statement.ReflectValue.Index(i), insertID)
+												if reflect.Indirect(rv).Kind() != reflect.Struct {
+													break
+												}
+
+												if _, isZero := db.Statement.Schema.PrioritizedPrimaryField.ValueOf(rv); isZero {
+													db.Statement.Schema.PrioritizedPrimaryField.Set(rv, insertID)
 													insertID++
 												}
 											}
@@ -140,6 +150,10 @@ func CreateWithReturning(db *gorm.DB) {
 						for rows.Next() {
 						BEGIN:
 							reflectValue := db.Statement.ReflectValue.Index(int(db.RowsAffected))
+							if reflect.Indirect(reflectValue).Kind() != reflect.Struct {
+								break
+							}
+
 							for idx, field := range fields {
 								fieldValue := field.ReflectValueOf(reflectValue)
 

callbacks/helper.go

@@ -26,6 +26,10 @@ func ConvertMapToValuesForCreate(stmt *gorm.Statement, mapValue map[string]inter
 
 		if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
 			values.Columns = append(values.Columns, clause.Column{Name: k})
+			if len(values.Values) == 0 {
+				values.Values = [][]interface{}{{}}
+			}
+
 			values.Values[0] = append(values.Values[0], value)
 		}
 	}
@@ -61,11 +65,15 @@ func ConvertSliceOfMapToValuesForCreate(stmt *gorm.Statement, mapValues []map[st
 
 	sort.Strings(columns)
 	values.Values = make([][]interface{}, len(mapValues))
+	values.Columns = make([]clause.Column, len(columns))
 	for idx, column := range columns {
+		values.Columns[idx] = clause.Column{Name: column}
+
 		for i, v := range result[column] {
-			if i == 0 {
+			if len(values.Values[i]) == 0 {
 				values.Values[i] = make([]interface{}, len(columns))
 			}
+
 			values.Values[i][idx] = v
 		}
 	}

tests/create_test.go

@@ -39,6 +39,45 @@ func TestCreate(t *testing.T) {
 	}
 }
 
+func TestCreateFromMap(t *testing.T) {
+	if err := DB.Model(&User{}).Create(map[string]interface{}{"Name": "create_from_map", "Age": 18}).Error; err != nil {
+		t.Fatalf("failed to create data from map, got error: %v", err)
+	}
+
+	var result User
+	if err := DB.Where("name = ?", "create_from_map").First(&result).Error; err != nil || result.Age != 18 {
+		t.Fatalf("failed to create from map, got error %v", err)
+	}
+
+	if err := DB.Model(&User{}).Create(map[string]interface{}{"name": "create_from_map_1", "age": 18}).Error; err != nil {
+		t.Fatalf("failed to create data from map, got error: %v", err)
+	}
+
+	var result1 User
+	if err := DB.Where("name = ?", "create_from_map_1").First(&result1).Error; err != nil || result1.Age != 18 {
+		t.Fatalf("failed to create from map, got error %v", err)
+	}
+
+	datas := []map[string]interface{}{
+		{"Name": "create_from_map_2", "Age": 19},
+		{"name": "create_from_map_3", "Age": 20},
+	}
+
+	if err := DB.Model(&User{}).Create(datas).Error; err != nil {
+		t.Fatalf("failed to create data from slice of map, got error: %v", err)
+	}
+
+	var result2 User
+	if err := DB.Where("name = ?", "create_from_map_2").First(&result2).Error; err != nil || result2.Age != 19 {
+		t.Fatalf("failed to query data after create from slice of map, got error %v", err)
+	}
+
+	var result3 User
+	if err := DB.Where("name = ?", "create_from_map_3").First(&result3).Error; err != nil || result3.Age != 20 {
+		t.Fatalf("failed to query data after create from slice of map, got error %v", err)
+	}
+}
+
 func TestCreateWithAssociations(t *testing.T) {
 	var user = *GetUser("create_with_associations", Config{
 		Account:   true,

tests/go.mod

@@ -9,7 +9,7 @@ require (
 	gorm.io/driver/mysql v0.3.1
 	gorm.io/driver/postgres v0.2.6
 	gorm.io/driver/sqlite v1.0.9
-	gorm.io/driver/sqlserver v0.2.6
+	gorm.io/driver/sqlserver v0.2.7
 	gorm.io/gorm v0.2.19
 )