+package gorm_test
+
+import "testing"
+
+type PointerStruct struct {
+ ID int64
+ Name *string
+ Num *int
+}
+
+type NormalStruct struct {
+ ID int64
+ Name string
+ Num int
+}
+
+func TestPointerFields(t *testing.T) {
+ DB.DropTable(&PointerStruct{})
+ DB.AutoMigrate(&PointerStruct{})
+ var name = "pointer struct 1"
+ var num = 100
+ pointerStruct := PointerStruct{Name: &name, Num: &num}
+ if DB.Create(&pointerStruct).Error != nil {
+ t.Errorf("Failed to save pointer struct")
+ }
+
+ var pointerStructResult PointerStruct
+ if err := DB.First(&pointerStructResult, "id = ?", pointerStruct.ID).Error; err != nil || *pointerStructResult.Name != name || *pointerStructResult.Num != num {
+ t.Errorf("Failed to query saved pointer struct")
+ }
+
+ var tableName = DB.NewScope(&PointerStruct{}).TableName()
+
+ var normalStruct NormalStruct
+ DB.Table(tableName).First(&normalStruct)
+ if normalStruct.Name != name || normalStruct.Num != num {
+ t.Errorf("Failed to query saved Normal struct")
+ }
+
+ var nilPointerStruct = PointerStruct{}
+ if err := DB.Create(&nilPointerStruct).Error; err != nil {
+ t.Error("Failed to save nil pointer struct", err)
+ }
+
+ var pointerStruct2 PointerStruct
+ if err := DB.First(&pointerStruct2, "id = ?", nilPointerStruct.ID).Error; err != nil {
+ t.Error("Failed to query saved nil pointer struct", err)
+ }
+
+ var normalStruct2 NormalStruct
+ if err := DB.Table(tableName).First(&normalStruct2, "id = ?", nilPointerStruct.ID).Error; err != nil {
+ t.Error("Failed to query saved nil pointer struct", err)
+ }
+
+ var partialNilPointerStruct1 = PointerStruct{Num: &num}
+ if err := DB.Create(&partialNilPointerStruct1).Error; err != nil {
+ t.Error("Failed to save partial nil pointer struct", err)
+ }
+
+ var pointerStruct3 PointerStruct
+ if err := DB.First(&pointerStruct3, "id = ?", partialNilPointerStruct1.ID).Error; err != nil || *pointerStruct3.Num != num {
+ t.Error("Failed to query saved partial nil pointer struct", err)
+ }
+
+ var normalStruct3 NormalStruct
+ if err := DB.Table(tableName).First(&normalStruct3, "id = ?", partialNilPointerStruct1.ID).Error; err != nil || normalStruct3.Num != num {
+ t.Error("Failed to query saved partial pointer struct", err)
+ }
+
+ var partialNilPointerStruct2 = PointerStruct{Name: &name}
+ if err := DB.Create(&partialNilPointerStruct2).Error; err != nil {
+ t.Error("Failed to save partial nil pointer struct", err)
+ }
+
+ var pointerStruct4 PointerStruct
+ if err := DB.First(&pointerStruct4, "id = ?", partialNilPointerStruct2.ID).Error; err != nil || *pointerStruct4.Name != name {
+ t.Error("Failed to query saved partial nil pointer struct", err)
+ }
+
+ var normalStruct4 NormalStruct
+ if err := DB.Table(tableName).First(&normalStruct4, "id = ?", partialNilPointerStruct2.ID).Error; err != nil || normalStruct4.Name != name {
+ t.Error("Failed to query saved partial pointer struct", err)
+ }
+}