fix: [#858] facades.DB().Insert() can not operate nil columns as expected

database/db/builder.go

@@ -8,10 +8,6 @@ import (
 )
 
 var NameMapper = func(s string) string {
-	if s == "ID" {
-		return "id"
-	}
-
 	return str.Of(s).Snake().String()
 }
 

database/db/query.go

@@ -1008,16 +1008,23 @@ func (r *Query) buildInsert(data []map[string]any) (sql string, args []any, err
 		builder = builder.PlaceholderFormat(placeholderFormat)
 	}
 
-	first := data[0]
-	cols := make([]string, 0, len(first))
-	for col := range first {
+	// Collect all unique columns from all maps to avoid missing columns
+	colSet := make(map[string]bool)
+	for _, row := range data {
+		for col := range row {
+			colSet[col] = true
+		}
+	}
+
+	cols := make([]string, 0, len(colSet))
+	for col := range colSet {
 		cols = append(cols, col)
 	}
 	sort.Strings(cols)
 	builder = builder.Columns(cols...)
 
 	for _, row := range data {
-		vals := make([]any, 0, len(first))
+		vals := make([]any, 0, len(cols))
 		for _, col := range cols {
 			vals = append(vals, row[col])
 		}

database/db/utils_test.go

@@ -8,6 +8,7 @@ import (
 	"gorm.io/gorm"
 
 	"github.com/goravel/framework/support/carbon"
+	"github.com/goravel/framework/support/convert"
 )
 
 type Body struct {
@@ -20,11 +21,25 @@ type Body struct {
 	leg      int `db:"leg"`
 }
 
+type House struct {
+	Address string `db:"address"`
+	Size    *int   `db:"size"`
+}
+
+type Job struct {
+	Title  string   `db:"title"`
+	Salary *float64 `db:"salary"`
+}
+
 type User struct {
-	ID    int    `db:"id"`
-	Name  string `db:"-"`
-	Email string
+	ID     int    `db:"id"`
+	Name   string `db:"-"`
+	Email  string
+	Avatar *string
+	Alias  *int
 	Body
+	House *House
+	Job   Job
 	TestSoftDeletes
 	TestTimestamps
 }
@@ -124,6 +139,114 @@ func TestConvertToSliceMap(t *testing.T) {
 			},
 			want: []map[string]any{{"weight": "100kg", "Age": 25}, {"weight": "90kg", "Age": 20}},
 		},
+		{
+			name: "user with nested struct pointer",
+			data: User{
+				ID:              1,
+				Name:            "John",
+				Email:           "john@example.com",
+				Body:            Body{Weight: "100kg", Head: &head, DateTime: *dateTime},
+				House:           &House{Address: "123 Main St", Size: nil},
+				Job:             Job{Title: "Engineer", Salary: nil},
+				TestSoftDeletes: TestSoftDeletes{DeletedAt: deletedAt},
+				TestTimestamps:  TestTimestamps{CreatedAt: dateTime, UpdatedAt: dateTime},
+			},
+			want: []map[string]any{
+				{
+					"id": 1, "email": "john@example.com", "weight": "100kg", "head": &head, "date_time": *dateTime,
+					"house":      &House{Address: "123 Main St", Size: nil},
+					"job":        Job{Title: "Engineer", Salary: nil},
+					"created_at": dateTime, "updated_at": dateTime, "deleted_at": deletedAt,
+				},
+			},
+		},
+		{
+			name: "user with nil nested struct pointer",
+			data: User{
+				ID:             1,
+				Email:          "john@example.com",
+				Body:           Body{Weight: "100kg", DateTime: *dateTime},
+				House:          nil,
+				Job:            Job{Title: "Engineer"},
+				TestTimestamps: TestTimestamps{CreatedAt: dateTime, UpdatedAt: dateTime},
+			},
+			want: []map[string]any{
+				{
+					"id": 1, "email": "john@example.com", "weight": "100kg", "date_time": *dateTime,
+					"job":        Job{Title: "Engineer"},
+					"created_at": dateTime, "updated_at": dateTime,
+				},
+			},
+		},
+		{
+			name: "user with pointer fields",
+			data: func() User {
+				avatar := "avatar.jpg"
+				alias := 42
+				size := 100
+				salary := 50000.0
+				return User{
+					ID:             1,
+					Email:          "john@example.com",
+					Avatar:         &avatar,
+					Alias:          &alias,
+					Body:           Body{Weight: "100kg", Head: &head, DateTime: *dateTime},
+					House:          &House{Address: "123 Main St", Size: &size},
+					Job:            Job{Title: "Engineer", Salary: &salary},
+					TestTimestamps: TestTimestamps{CreatedAt: dateTime, UpdatedAt: dateTime},
+				}
+			}(),
+			want: []map[string]any{
+				{
+					"id": 1, "email": "john@example.com", "avatar": convert.Pointer("avatar.jpg"),
+					"alias": convert.Pointer(42), "weight": "100kg", "head": &head, "date_time": *dateTime,
+					"house":      &House{Address: "123 Main St", Size: convert.Pointer(100)},
+					"job":        Job{Title: "Engineer", Salary: convert.Pointer(50000.0)},
+					"created_at": dateTime, "updated_at": dateTime,
+				},
+			},
+		},
+		{
+			name: "user slice with mixed nested structs",
+			data: []User{
+				{
+					ID:             1,
+					Email:          "john@example.com",
+					Body:           Body{Length: 10, Weight: "100kg", Head: &head, DateTime: *dateTime},
+					House:          &House{Address: "123 Main St"},
+					Job:            Job{Title: "Engineer"},
+					TestTimestamps: TestTimestamps{CreatedAt: dateTime, UpdatedAt: dateTime},
+				},
+				{
+					ID:             2,
+					Email:          "jane@example.com",
+					Body:           Body{Weight: "90kg", DateTime: *dateTime},
+					House:          nil,
+					Job:            Job{Title: "Designer"},
+					TestTimestamps: TestTimestamps{CreatedAt: dateTime, UpdatedAt: dateTime},
+				},
+			},
+			want: []map[string]any{
+				{
+					"id": 1, "email": "john@example.com", "length": 10, "weight": "100kg", "head": &head, "date_time": *dateTime,
+					"house":      &House{Address: "123 Main St"},
+					"job":        Job{Title: "Engineer"},
+					"created_at": dateTime, "updated_at": dateTime,
+				},
+				{
+					"id": 2, "email": "jane@example.com", "weight": "90kg", "date_time": *dateTime,
+					"job":        Job{Title: "Designer"},
+					"created_at": dateTime, "updated_at": dateTime,
+				},
+			},
+		},
+		{
+			name: "user with all zero values",
+			data: User{},
+			want: []map[string]any{
+				{},
+			},
+		},
 	}
 
 	for _, tt := range tests {

support/str/str_test.go

@@ -555,6 +555,7 @@ func (s *StringTestSuite) TestSnake() {
 	s.Equal("a", Of("A").Snake().String())
 	s.Equal("foo123_bar", Of("foo123Bar").Snake().String())
 	s.Equal("123foo", Of("123foo").Snake().String())
+	s.Equal("id", Of("ID").Snake().String())
 }
 
 func (s *StringTestSuite) TestSplit() {

tests/db_test.go

@@ -480,7 +480,8 @@ func (s *DBTestSuite) TestInsert_First_Get() {
 						},
 					},
 					{
-						Name: "multiple structs2",
+						Name:   "multiple structs2",
+						Weight: convert.Pointer(1),
 					},
 				})
 				s.NoError(err)
@@ -490,8 +491,15 @@ func (s *DBTestSuite) TestInsert_First_Get() {
 				err = query.DB().Table("products").Where("name", []string{"multiple structs1", "multiple structs2"}).Where("deleted_at", nil).Get(&products)
 				s.NoError(err)
 				s.Equal(2, len(products))
+				s.True(products[0].ID > 0)
 				s.Equal("multiple structs1", products[0].Name)
+				s.NotEmpty(products[0].CreatedAt)
+				s.NotEmpty(products[0].UpdatedAt)
+				s.True(products[1].ID > 0)
 				s.Equal("multiple structs2", products[1].Name)
+				s.Equal(1, *products[1].Weight)
+				s.Empty(products[1].CreatedAt)
+				s.Empty(products[1].UpdatedAt)
 			})
 
 			s.Run("single map", func() {