This is an automated cherry-pick of #49699

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

ddl/ddl.go

@@ -357,13 +357,9 @@ type ddlCtx struct {
 
 	*waitSchemaSyncedController
 	*schemaVersionManager
-	// recording the running jobs.
-	runningJobs struct {
-		sync.RWMutex
-		ids map[int64]struct{}
-	}
-	// It holds the running DDL jobs ID.
-	runningJobIDs []string
+
+	runningJobs *runningJobs
+
 	// reorgCtx is used for reorganization.
 	reorgCtx struct {
 		sync.RWMutex
@@ -626,16 +622,19 @@ func newDDL(ctx context.Context, options ...Option) *ddl {
 		autoidCli:                  opt.AutoIDClient,
 		schemaVersionManager:       newSchemaVersionManager(),
 		waitSchemaSyncedController: newWaitSchemaSyncedController(),
-		runningJobIDs:              make([]string, 0, jobRecordCapacity),
+		runningJobs:                newRunningJobs(),
 	}
 	ddlCtx.reorgCtx.reorgCtxMap = make(map[int64]*reorgCtx)
 	ddlCtx.jobCtx.jobCtxMap = make(map[int64]*JobContext)
 	ddlCtx.mu.hook = opt.Hook
 	ddlCtx.mu.interceptor = &BaseInterceptor{}
 	ctx = kv.WithInternalSourceType(ctx, kv.InternalTxnDDL)
 	ddlCtx.ctx, ddlCtx.cancel = context.WithCancel(ctx)
+<<<<<<< HEAD:ddl/ddl.go
 	ddlCtx.runningJobs.ids = make(map[int64]struct{})
 	ddlCtx.waiting = atomicutil.NewBool(false)
+=======
+>>>>>>> 2dfbaa8264f (ddl: set jobs dependency by schema and table name (#49699)):pkg/ddl/ddl.go
 
 	d := &ddl{
 		ddlCtx:            ddlCtx,