Create with Select

callback_create.go

@@ -24,11 +24,21 @@ func Create(scope *Scope) {
 	if !scope.HasError() {
 		// set create sql
 		var sqls, columns []string
-		for _, field := range scope.Fields() {
-			if (field.IsNormal && !field.IsPrimaryKey) || (field.IsPrimaryKey && !field.IsBlank) {
-				if !field.IsBlank || !field.HasDefaultValue {
-					columns = append(columns, scope.Quote(field.DBName))
-					sqls = append(sqls, scope.AddToVars(field.Field.Interface()))
+		fields := scope.Fields()
+		for _, field := range fields {
+			if scope.ValidField(field) {
+				if field.IsNormal {
+					if !field.IsPrimaryKey || (field.IsPrimaryKey && !field.IsBlank) {
+						if !field.IsBlank || !field.HasDefaultValue {
+							columns = append(columns, scope.Quote(field.DBName))
+							sqls = append(sqls, scope.AddToVars(field.Field.Interface()))
+						}
+					}
+				} else if relationship := field.Relationship; relationship != nil && relationship.Kind == "belongs_to" {
+					if relationField := fields[relationship.ForeignDBName]; !scope.ValidField(relationField) {
+						columns = append(columns, scope.Quote(relationField.DBName))
+						sqls = append(sqls, scope.AddToVars(relationField.Field.Interface()))
+					}
 				}
 			}
 		}

callback_shared.go

@@ -12,7 +12,7 @@ func CommitOrRollbackTransaction(scope *Scope) {
 
 func SaveBeforeAssociations(scope *Scope) {
 	for _, field := range scope.Fields() {
-		if !field.IsBlank && !field.IsIgnored {
+		if scope.ValidField(field) && !field.IsBlank && !field.IsIgnored {
 			if relationship := field.Relationship; relationship != nil && relationship.Kind == "belongs_to" {
 				value := field.Field
 				scope.Err(scope.NewDB().Save(value.Addr().Interface()).Error)
@@ -26,7 +26,7 @@ func SaveBeforeAssociations(scope *Scope) {
 
 func SaveAfterAssociations(scope *Scope) {
 	for _, field := range scope.Fields() {
-		if !field.IsBlank && !field.IsIgnored {
+		if scope.ValidField(field) && !field.IsBlank && !field.IsIgnored {
 			if relationship := field.Relationship; relationship != nil &&
 				(relationship.Kind == "has_one" || relationship.Kind == "has_many" || relationship.Kind == "many_to_many") {
 				value := field.Field

create_test.go

@@ -1,6 +1,7 @@
 package gorm_test
 
 import (
+	"fmt"
 	"reflect"
 	"testing"
 	"time"
@@ -121,3 +122,22 @@ func TestAnonymousField(t *testing.T) {
 		t.Errorf("Should be able to get anonymous field")
 	}
 }
+
+func TestSelectCreate(t *testing.T) {
+	user := getPreparedUser("user1", "select_create")
+	DB.Select("Name", "BillingAddress", "CreditCard", "Company", "Emails").Create(&user)
+
+	var user2 User
+	DB.Preload("BillingAddress").Preload("ShippingAddress").
+		Preload("CreditCard").Preload("Emails").Preload("Company").First(&user2, user.Id)
+
+	if user2.Name != user.Name || user2.Age == user.Age {
+		t.Errorf("Should only create users with name column")
+	}
+
+	fmt.Println(user2.CreditCard.ID)
+	if user2.BillingAddressID.Int64 == 0 || user2.ShippingAddressId != 0 ||
+		user2.CreditCard.ID == 0 || len(user2.Emails) == 0 {
+		t.Errorf("Should only create users with name column")
+	}
+}

main_test.go

@@ -89,8 +89,12 @@ func TestExceptionsWithInvalidSql(t *testing.T) {
 }
 
 func TestSetTable(t *testing.T) {
-	if DB.Table("users").Pluck("age", &[]int{}).Error != nil {
-		t.Errorf("No errors should happen if set table for pluck")
+	DB.Create(getPreparedUser("pluck_user1", "pluck_user"))
+	DB.Create(getPreparedUser("pluck_user2", "pluck_user"))
+	DB.Create(getPreparedUser("pluck_user3", "pluck_user"))
+
+	if err := DB.Table("users").Where("role = ?", "pluck_user").Pluck("age", &[]int{}).Error; err != nil {
+		t.Errorf("No errors should happen if set table for pluck", err.Error())
 	}
 
 	var users []User
@@ -115,9 +119,11 @@ func TestSetTable(t *testing.T) {
 		t.Errorf("Query from specified table")
 	}
 
+	DB.Save(getPreparedUser("normal_user", "reset_table"))
+	DB.Table("deleted_users").Save(getPreparedUser("deleted_user", "reset_table"))
 	var user1, user2, user3 User
-	DB.First(&user1).Table("deleted_users").First(&user2).Table("").First(&user3)
-	if (user1.Name == user2.Name) || (user1.Name != user3.Name) {
+	DB.Where("role = ?", "reset_table").First(&user1).Table("deleted_users").First(&user2).Table("").First(&user3)
+	if (user1.Name != "normal_user") || (user2.Name != "deleted_user") || (user3.Name != "normal_user") {
 		t.Errorf("unset specified table with blank string")
 	}
 }

preload_test.go

@@ -1,29 +1,9 @@
 package gorm_test
 
-import (
-	"fmt"
-	"testing"
-)
-
-func getPreloadUser(name string) User {
-	var company Company
-	DB.Where(Company{Name: "preload"}).FirstOrCreate(&company)
-
-	return User{
-		Name:            name,
-		Role:            Role{"Preload"},
-		BillingAddress:  Address{Address1: fmt.Sprintf("Billing Address %v", name)},
-		ShippingAddress: Address{Address1: fmt.Sprintf("Shipping Address %v", name)},
-		CreditCard:      CreditCard{Number: fmt.Sprintf("123456%v", name)},
-		Emails: []Email{
-			{Email: fmt.Sprintf("user_%v@example1.com", name)}, {Email: fmt.Sprintf("user_%v@example2.com", name)},
-		},
-		Company: company,
-		Languages: []Language{
-			{Name: fmt.Sprintf("lang_1_%v", name)},
-			{Name: fmt.Sprintf("lang_2_%v", name)},
-		},
-	}
+import "testing"
+
+func getPreloadUser(name string) *User {
+	return getPreparedUser(name, "Preload")
 }
 
 func checkUserHasPreloadData(user User, t *testing.T) {
@@ -64,7 +44,7 @@ func checkUserHasPreloadData(user User, t *testing.T) {
 
 func TestPreload(t *testing.T) {
 	user1 := getPreloadUser("user1")
-	DB.Save(&user1)
+	DB.Save(user1)
 
 	preloadDB := DB.Where("role = ?", "Preload").Preload("BillingAddress").Preload("ShippingAddress").
 		Preload("CreditCard").Preload("Emails").Preload("Company")
@@ -73,10 +53,10 @@ func TestPreload(t *testing.T) {
 	checkUserHasPreloadData(user, t)
 
 	user2 := getPreloadUser("user2")
-	DB.Save(&user2)
+	DB.Save(user2)
 
 	user3 := getPreloadUser("user3")
-	DB.Save(&user3)
+	DB.Save(user3)
 
 	var users []User
 	preloadDB.Find(&users)

scope.go

@@ -333,3 +333,42 @@ func (scope *Scope) CommitOrRollback() *Scope {
 	}
 	return scope
 }
+
+func (scope *Scope) SelectAttrs() (attrs []string) {
+	for _, value := range scope.Search.selects {
+		if str, ok := value.(string); ok {
+			attrs = append(attrs, str)
+		} else if strs, ok := value.([]interface{}); ok {
+			for _, str := range strs {
+				attrs = append(attrs, fmt.Sprintf("%v", str))
+			}
+		}
+	}
+	return attrs
+}
+
+func (scope *Scope) OmitAttrs() []string {
+	return scope.Search.omits
+}
+
+func (scope *Scope) ValidField(field *Field) bool {
+	selectAttrs := scope.SelectAttrs()
+	omitAttrs := scope.OmitAttrs()
+
+	if len(selectAttrs) > 0 {
+		for _, attr := range selectAttrs {
+			if field.Name == attr || field.DBName == attr {
+				return true
+			}
+		}
+		return false
+	}
+
+	for _, attr := range omitAttrs {
+		if field.Name == attr || field.DBName == attr {
+			return false
+		}
+	}
+
+	return !field.IsIgnored
+}

search.go

@@ -89,18 +89,6 @@ func (s *search) Omit(columns ...string) *search {
 	return s
 }
 
-func (s *search) SelectAttrs() (attrs []string) {
-	for key, value := range s.selects {
-		attrs = append(attrs, key)
-		attrs = append(attrs, value.([]string)...)
-	}
-	return attrs
-}
-
-func (s *search) OmitAttrs() []string {
-	return s.omits
-}
-
 func (s *search) Limit(value interface{}) *search {
 	s.limit = s.getInterfaceAsSql(value)
 	return s

structs_test.go

@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"database/sql/driver"
 	"errors"
+	"fmt"
 
 	"reflect"
 	"time"
@@ -194,3 +195,25 @@ func (nt NullTime) Value() (driver.Value, error) {
 	}
 	return nt.Time, nil
 }
+
+func getPreparedUser(name string, role string) *User {
+	var company Company
+	DB.Where(Company{Name: role}).FirstOrCreate(&company)
+
+	return &User{
+		Name:            name,
+		Age:             20,
+		Role:            Role{role},
+		BillingAddress:  Address{Address1: fmt.Sprintf("Billing Address %v", name)},
+		ShippingAddress: Address{Address1: fmt.Sprintf("Shipping Address %v", name)},
+		CreditCard:      CreditCard{Number: fmt.Sprintf("123456%v", name)},
+		Emails: []Email{
+			{Email: fmt.Sprintf("user_%v@example1.com", name)}, {Email: fmt.Sprintf("user_%v@example2.com", name)},
+		},
+		Company: company,
+		Languages: []Language{
+			{Name: fmt.Sprintf("lang_1_%v", name)},
+			{Name: fmt.Sprintf("lang_2_%v", name)},
+		},
+	}
+}