Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

br: Ignore ddl jobs with empty query or blacklist type when exec restore (#33384) #33515

Closed
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
54 changes: 54 additions & 0 deletions br/pkg/restore/db.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,23 @@ type DB struct {
se glue.Session
}

<<<<<<< HEAD
=======
type UniqueTableName struct {
DB string
Table string
}

type DDLJobFilterRule func(ddlJob *model.Job) bool

var incrementalRestoreActionBlockList = map[model.ActionType]struct{}{
model.ActionSetTiFlashReplica: {},
model.ActionUpdateTiFlashReplicaStatus: {},
model.ActionLockTable: {},
model.ActionUnlockTable: {},
}

>>>>>>> 11db01105... br: Ignore ddl jobs with empty query or blacklist type when exec restore (#33384)
// NewDB returns a new DB.
func NewDB(g glue.Glue, store kv.Storage) (*DB, error) {
se, err := g.CreateSession(store)
Expand Down Expand Up @@ -65,6 +82,13 @@ func (db *DB) ExecDDL(ctx context.Context, ddlJob *model.Job) error {
return errors.Trace(err)
}

if ddlJob.Query == "" {
log.Warn("query of ddl job is empty, ignore it",
zap.Stringer("type", ddlJob.Type),
zap.String("db", ddlJob.SchemaName))
return nil
}

if tableInfo != nil {
switchDBSQL := fmt.Sprintf("use %s;", utils.EncloseName(ddlJob.SchemaName))
err = db.se.Execute(ctx, switchDBSQL)
Expand Down Expand Up @@ -263,6 +287,31 @@ func FilterDDLJobs(allDDLJobs []*model.Job, tables []*metautil.Table) (ddlJobs [
return ddlJobs
}

// FilterDDLJobByRules if one of rules returns true, the job in srcDDLJobs will be filtered.
func FilterDDLJobByRules(srcDDLJobs []*model.Job, rules ...DDLJobFilterRule) (dstDDLJobs []*model.Job) {
dstDDLJobs = make([]*model.Job, 0, len(srcDDLJobs))
for _, ddlJob := range srcDDLJobs {
passed := true
for _, rule := range rules {
if rule(ddlJob) {
passed = false
break
}
}

if passed {
dstDDLJobs = append(dstDDLJobs, ddlJob)
}
}

return
}

// DDLJobBlockListRule rule for filter ddl job with type in block list.
func DDLJobBlockListRule(ddlJob *model.Job) bool {
return checkIsInActions(ddlJob.Type, incrementalRestoreActionBlockList)
}

func getDatabases(tables []*metautil.Table) (dbs []*model.DBInfo) {
dbIDs := make(map[int64]bool)
for _, table := range tables {
Expand All @@ -273,3 +322,8 @@ func getDatabases(tables []*metautil.Table) (dbs []*model.DBInfo) {
}
return
}

func checkIsInActions(action model.ActionType, actions map[model.ActionType]struct{}) bool {
_, ok := actions[action]
return ok
}
83 changes: 83 additions & 0 deletions br/pkg/restore/db_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -20,8 +20,17 @@ import (
"github.com/pingcap/tidb/br/pkg/restore"
"github.com/pingcap/tidb/br/pkg/storage"
"github.com/pingcap/tidb/meta/autoid"
<<<<<<< HEAD
"github.com/pingcap/tidb/util/testkit"
"github.com/pingcap/tidb/util/testleak"
=======
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/parser/types"
"github.com/pingcap/tidb/testkit"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
>>>>>>> 11db01105... br: Ignore ddl jobs with empty query or blacklist type when exec restore (#33384)
"github.com/tikv/client-go/v2/oracle"
)

Expand Down Expand Up @@ -217,3 +226,77 @@ func (s *testRestoreSchemaSuite) TestFilterDDLJobsV2(c *C) {
}
c.Assert(len(ddlJobs), Equals, 7)
}

func TestDB_ExecDDL(t *testing.T) {
s, clean := createRestoreSchemaSuite(t)
defer clean()

ctx := context.Background()
ddlJobs := []*model.Job{
{
Type: model.ActionAddIndex,
Query: "CREATE DATABASE IF NOT EXISTS test_db;",
BinlogInfo: &model.HistoryInfo{},
},
{
Type: model.ActionAddIndex,
Query: "",
BinlogInfo: &model.HistoryInfo{},
},
}

db, _, err := restore.NewDB(gluetidb.New(), s.mock.Storage, "STRICT")
require.NoError(t, err)

for _, ddlJob := range ddlJobs {
err = db.ExecDDL(ctx, ddlJob)
assert.NoError(t, err)
}
}

func TestFilterDDLJobByRules(t *testing.T) {
ddlJobs := []*model.Job{
{
Type: model.ActionSetTiFlashReplica,
},
{
Type: model.ActionAddPrimaryKey,
},
{
Type: model.ActionUpdateTiFlashReplicaStatus,
},
{
Type: model.ActionCreateTable,
},
{
Type: model.ActionLockTable,
},
{
Type: model.ActionAddIndex,
},
{
Type: model.ActionUnlockTable,
},
{
Type: model.ActionCreateSchema,
},
{
Type: model.ActionModifyColumn,
},
}

expectedDDLTypes := []model.ActionType{
model.ActionAddPrimaryKey,
model.ActionCreateTable,
model.ActionAddIndex,
model.ActionCreateSchema,
model.ActionModifyColumn,
}

ddlJobs = restore.FilterDDLJobByRules(ddlJobs, restore.DDLJobBlockListRule)

require.Equal(t, len(expectedDDLTypes), len(ddlJobs))
for i, ddlJob := range ddlJobs {
assert.Equal(t, expectedDDLTypes[i], ddlJob.Type)
}
}
1 change: 1 addition & 0 deletions br/pkg/task/restore.go
Original file line number Diff line number Diff line change
Expand Up @@ -294,6 +294,7 @@ func RunRestore(c context.Context, g glue.Glue, cmdName string, cfg *RestoreConf
newTS = restoreTS
}
ddlJobs := restore.FilterDDLJobs(client.GetDDLJobs(), tables)
ddlJobs = restore.FilterDDLJobByRules(ddlJobs, restore.DDLJobBlockListRule)

err = client.PreCheckTableTiFlashReplica(ctx, tables)
if err != nil {
Expand Down