set default value in gorm tag, so database timestamp defaults will get set

internal/oplog/oplog_test.go

@@ -122,6 +122,8 @@ func Test_BasicOplog(t *testing.T) {
 
 		resp = db.Create(&l)
 		assert.NilError(t, resp.Error)
+		assert.Check(t, l.CreateTime != nil)
+		assert.Check(t, l.UpdateTime != nil)
 		entryId := l.Id
 
 		var foundEntry Entry
@@ -771,6 +773,8 @@ func Test_TicketSerialization(t *testing.T) {
 	err = secondLogEntry.Write(context.Background(), &GormWriter{secondTx}, secondTicket)
 	assert.NilError(t, err)
 	assert.Assert(t, secondLogEntry.Id != 0)
+	assert.Check(t, secondLogEntry.CreateTime != nil)
+	assert.Check(t, secondLogEntry.UpdateTime != nil)
 	err = secondTx.Commit().Error
 	assert.NilError(t, err)
 	assert.Assert(t, secondLogEntry.Id != 0)

internal/oplog/store/oplog.pb.go

@@ -88,10 +88,10 @@ type Entry struct {
 
 	// @inject_tag: gorm:"primary_key"
 	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty" gorm:"primary_key"`
-	// @inject_tag: gorm:"not_null;type:TIMESTAMP"
-	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"not_null;type:TIMESTAMP"`
-	// @inject_tag: gorm:"not_null;type:TIMESTAMP"
-	UpdateTime *Timestamp `protobuf:"bytes,3,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty" gorm:"not_null;type:TIMESTAMP"`
+	// @inject_tag: `gorm:"default:current_timestamp"`
+	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"default:current_timestamp"`
+	// @inject_tag: `gorm:"default:current_timestamp"`
+	UpdateTime *Timestamp `protobuf:"bytes,3,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty" gorm:"default:current_timestamp"`
 	// @inject_tag: gorm:"not_null"
 	Version string `protobuf:"bytes,4,opt,name=version,proto3" json:"version,omitempty" gorm:"not_null"`
 	// @inject_tat: gorm:"not_null"
@@ -204,8 +204,8 @@ type Metadata struct {
 
 	// @inject_tag: gorm:"primary_key"
 	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty" gorm:"primary_key"`
-	// @inject_tag: gorm:"not_null;type:TIMESTAMP"
-	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"not_null;type:TIMESTAMP"` // @inject_tag: gorm:"not_nul
+	// @inject_tag: `gorm:"default:current_timestamp"`
+	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"default:current_timestamp"` // @inject_tag: gorm:"not_nul
 	EntryId    uint32     `protobuf:"varint,3,opt,name=entry_id,json=entryId,proto3" json:"entry_id,omitempty"`
 	// @inject_tag: gorm:"foreignkey:EntryId"
 	Entry *Entry `protobuf:"bytes,4,opt,name=entry,proto3" json:"entry,omitempty" gorm:"foreignkey:EntryId"`
@@ -297,10 +297,10 @@ type Ticket struct {
 
 	// @inject_tag: gorm:"primary_key"
 	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty" gorm:"primary_key"`
-	// @inject_tag: gorm:"not_null;type:TIMESTAMP"
-	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"not_null;type:TIMESTAMP"`
-	// @inject_tag: gorm:"not_null;type:TIMESTAMP"
-	UpdateTime *Timestamp `protobuf:"bytes,3,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty" gorm:"not_null;type:TIMESTAMP"`
+	// @inject_tag: `gorm:"default:current_timestamp"`
+	CreateTime *Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty" gorm:"default:current_timestamp"`
+	// @inject_tag: `gorm:"default:current_timestamp"`
+	UpdateTime *Timestamp `protobuf:"bytes,3,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty" gorm:"default:current_timestamp"`
 	// @inject_tat: gorm:"not_null"
 	Name string `protobuf:"bytes,6,opt,name=name,proto3" json:"name,omitempty"`
 	// @inject_tat: gorm:"not_null;default:'1'"

internal/proto/local/controller/storage/oplog/store/v1/oplog.proto

@@ -19,9 +19,9 @@ message Timestamp {
 message Entry {
   // @inject_tag: gorm:"primary_key"
   uint32 id = 1;
-  // @inject_tag: gorm:"not_null;type:TIMESTAMP"
+  // @inject_tag: `gorm:"default:current_timestamp"`
   Timestamp create_time = 2;
-  // @inject_tag: gorm:"not_null;type:TIMESTAMP"
+  // @inject_tag: `gorm:"default:current_timestamp"`
   Timestamp update_time = 3;
 
   // @inject_tag: gorm:"not_null"
@@ -48,7 +48,7 @@ message Entry {
 message Metadata {
   // @inject_tag: gorm:"primary_key"
   uint32 id = 1;
-  // @inject_tag: gorm:"not_null;type:TIMESTAMP"
+  // @inject_tag: `gorm:"default:current_timestamp"`
   Timestamp create_time = 2;
   // @inject_tag: gorm:"not_nul
 
@@ -66,9 +66,9 @@ message Metadata {
 message Ticket {
   // @inject_tag: gorm:"primary_key"
   uint32 id = 1;
-  // @inject_tag: gorm:"not_null;type:TIMESTAMP"
+  // @inject_tag: `gorm:"default:current_timestamp"`
   Timestamp create_time = 2;
-  // @inject_tag: gorm:"not_null;type:TIMESTAMP"
+  // @inject_tag: `gorm:"default:current_timestamp"`
   Timestamp update_time = 3;
 
   // @inject_tat: gorm:"not_null"