feat: alias map string interface

gorm.go

@@ -16,6 +16,15 @@ import (
 // for Config.cacheStore store PreparedStmtDB key
 const preparedStmtDBKey = "preparedStmt"
 
+// M is a convenient alias for a map[string]interface{} map, useful for
+// dealing with GORM in a native way.  For instance:
+//
+//     gorm.M{"a": 1, "b": true}
+//
+// There's no special handling for this type in addition to what's done anyway
+// for an equivalent map type.
+type M = map[string]interface{}
+
 // Config GORM config
 type Config struct {
 	// GORM perform single create, update, delete operations in transactions by default to ensure database data integrity

tests/create_test.go

@@ -136,6 +136,25 @@ func TestCreateFromMap(t *testing.T) {
 	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)
 	}
+
+	datas2 := []gorm.M{
+		{"Name": "create_from_M_1", "Age": 21},
+		{"name": "create_from_M_2", "Age": 22},
+	}
+
+	if err := DB.Model(&User{}).Create(&datas2).Error; err != nil {
+		t.Fatalf("failed to create data from slice of map, got error: %v", err)
+	}
+
+	var result4 User
+	if err := DB.Where("name = ?", "create_from_M_1").First(&result4).Error; err != nil || result4.Age != 21 {
+		t.Fatalf("failed to query data after create from slice of map, got error %v", err)
+	}
+
+	var result5 User
+	if err := DB.Where("name = ?", "create_from_M_2").First(&result5).Error; err != nil || result5.Age != 22 {
+		t.Fatalf("failed to query data after create from slice of map, got error %v", err)
+	}
 }
 
 func TestCreateWithAssociations(t *testing.T) {