Fix update with customized time type, close #5101

callbacks/update.go

@@ -232,10 +232,10 @@ func ConvertToAssignments(stmt *gorm.Statement) (set clause.Set) {
 							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now.UnixNano()})
 						} else if field.AutoUpdateTime == schema.UnixMillisecond {
 							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now.UnixNano() / 1e6})
-						} else if field.GORMDataType == schema.Time {
-							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now})
-						} else {
+						} else if field.AutoUpdateTime == schema.UnixSecond {
 							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now.Unix()})
+						} else {
+							set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: now})
 						}
 					}
 				}
@@ -264,10 +264,10 @@ func ConvertToAssignments(stmt *gorm.Statement) (set clause.Set) {
 									value = stmt.DB.NowFunc().UnixNano()
 								} else if field.AutoUpdateTime == schema.UnixMillisecond {
 									value = stmt.DB.NowFunc().UnixNano() / 1e6
-								} else if field.GORMDataType == schema.Time {
-									value = stmt.DB.NowFunc()
-								} else {
+								} else if field.AutoUpdateTime == schema.UnixSecond {
 									value = stmt.DB.NowFunc().Unix()
+								} else {
+									value = stmt.DB.NowFunc()
 								}
 								isZero = false
 							}

schema/field.go

@@ -293,6 +293,10 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		}
 	}
 
+	if field.GORMDataType == "" {
+		field.GORMDataType = field.DataType
+	}
+
 	if val, ok := field.TagSettings["TYPE"]; ok {
 		switch DataType(strings.ToLower(val)) {
 		case Bool, Int, Uint, Float, String, Time, Bytes:
@@ -302,10 +306,6 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		}
 	}
 
-	if field.GORMDataType == "" {
-		field.GORMDataType = field.DataType
-	}
-
 	if field.Size == 0 {
 		switch reflect.Indirect(fieldValue).Kind() {
 		case reflect.Int, reflect.Int64, reflect.Uint, reflect.Uint64, reflect.Float64:

tests/go.mod

@@ -9,11 +9,11 @@ require (
 	github.com/lib/pq v1.10.4
 	github.com/mattn/go-sqlite3 v1.14.11 // indirect
 	golang.org/x/crypto v0.0.0-20220214200702-86341886e292 // indirect
-	gorm.io/driver/mysql v1.3.1
+	gorm.io/driver/mysql v1.3.2
 	gorm.io/driver/postgres v1.3.1
 	gorm.io/driver/sqlite v1.3.1
 	gorm.io/driver/sqlserver v1.3.1
-	gorm.io/gorm v1.23.0
+	gorm.io/gorm v1.23.1
 )
 
 replace gorm.io/gorm => ../

tests/postgres_test.go

@@ -2,6 +2,7 @@ package tests_test
 
 import (
 	"testing"
+	"time"
 
 	"github.com/google/uuid"
 	"github.com/lib/pq"
@@ -17,6 +18,8 @@ func TestPostgres(t *testing.T) {
 		gorm.Model
 		Name      string         `gorm:"check:name_checker,name <> ''"`
 		Test      uuid.UUID      `gorm:"type:uuid;not null;default:gen_random_uuid()"`
+		CreatedAt time.Time      `gorm:"type:TIMESTAMP WITHOUT TIME ZONE"`
+		UpdatedAt time.Time      `gorm:"type:TIMESTAMP WITHOUT TIME ZONE"`
 		Things    pq.StringArray `gorm:"type:text[]"`
 	}
 
@@ -48,6 +51,15 @@ func TestPostgres(t *testing.T) {
 	if err := DB.Where("id = $1", harumph.ID).First(&Harumph{}).Error; err != nil || harumph.Name != "jinzhu" {
 		t.Errorf("No error should happen, but got %v", err)
 	}
+
+	harumph.Name = "jinzhu1"
+	if err := DB.Save(&harumph).Error; err != nil {
+		t.Errorf("Failed to update date, got error %v", err)
+	}
+
+	if err := DB.First(&result, "id = ?", harumph.ID).Error; err != nil || harumph.Name != "jinzhu1" {
+		t.Errorf("No error should happen, but got %v", err)
+	}
 }
 
 type Post struct {