statstics,ddl: fix FK table forgets to send CreateTable event (#53654) (

#53674)

close #53652

ddl/table.go

@@ -198,6 +198,7 @@ func createTableWithForeignKeys(d *ddlCtx, t *meta.Meta, job *model.Job, tbInfo
 			return ver, errors.Trace(err)
 		}
 		job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tbInfo)
+		asyncNotifyEvent(d, &util.Event{Tp: model.ActionCreateTable, TableInfo: tbInfo})
 		return ver, nil
 	default:
 		return ver, errors.Trace(dbterror.ErrInvalidDDLJob.GenWithStackByArgs("table", tbInfo.State))

statistics/handle/ddl_test.go

@@ -95,6 +95,30 @@ func TestDDLTable(t *testing.T) {
 	require.Nil(t, h.Update(is))
 	statsTbl = h.GetTableStats(tableInfo)
 	require.False(t, statsTbl.Pseudo)
+
+	// For FK table's CreateTable Event
+	// https://github.com/pingcap/tidb/issues/53652
+	testKit.MustExec("create table t_parent (id int primary key)")
+	is = do.InfoSchema()
+	tbl, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t_parent"))
+	require.NoError(t, err)
+	tableInfo = tbl.Meta()
+	err = h.HandleDDLEvent(<-h.DDLEventCh())
+	require.NoError(t, err)
+	require.Nil(t, h.Update(is))
+	statsTbl = h.GetTableStats(tableInfo)
+	require.False(t, statsTbl.Pseudo)
+
+	testKit.MustExec("create table t_child (id int primary key, pid int, foreign key (pid) references t_parent(id) on delete cascade on update cascade);")
+	is = do.InfoSchema()
+	tbl, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t_child"))
+	require.NoError(t, err)
+	tableInfo = tbl.Meta()
+	err = h.HandleDDLEvent(<-h.DDLEventCh())
+	require.NoError(t, err)
+	require.Nil(t, h.Update(is))
+	statsTbl = h.GetTableStats(tableInfo)
+	require.False(t, statsTbl.Pseudo)
 }
 
 func TestDDLHistogram(t *testing.T) {