feat: models structs

models/testdata.go

@@ -0,0 +1,29 @@
+package null_safety
+
+type Order1 struct {
+	Id          uint `gorm:"primaryKey"`
+	Description string
+	// not nullable - not nullable
+	CustomerId uint `gorm:"not null;foreignKey:CustomerId;"`
+}
+
+type Order2 struct {
+	Id          uint `gorm:"primaryKey"`
+	Description string
+	// nullable - nullable
+	CustomerId *uint `gorm:"null;foreignKey:CustomerId;"`
+}
+
+type Order3 struct {
+	Id uint `gorm:"primaryKey"`
+	// nullable - unspecified
+	Status      *string
+	Description string
+}
+
+type Order4 struct {
+	Id uint `gorm:"primaryKey"`
+	// not nullable - unspecified
+	Status      *string
+	Description string
+}