Files
tidb/ddl/stat.go
2015-11-10 11:12:03 +08:00

88 lines
2.1 KiB
Go

// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package ddl
import (
"github.com/juju/errors"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta"
"github.com/pingcap/tidb/model"
)
func (d *ddl) Stat() (map[string]interface{}, error) {
var (
owner *model.Owner
job *model.Job
schemaVer int64
reorgHandle int64
)
err := kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
t := meta.NewMeta(txn)
var err error
owner, err = t.GetDDLOwner()
if err != nil {
return errors.Trace(err)
}
job, err = t.GetDDLJob(0)
if err != nil {
return errors.Trace(err)
}
schemaVer, err = t.GetSchemaVersion()
if err != nil {
return errors.Trace(err)
}
if job != nil {
reorgHandle, err = t.GetDDLReorgHandle(job)
if err != nil {
return errors.Trace(err)
}
}
return nil
})
if err != nil {
return nil, errors.Trace(err)
}
m := make(map[string]interface{})
m["ddl_server_id"] = d.uuid
m["ddl_schema_version"] = schemaVer
if owner != nil {
m["ddl_owner_id"] = owner.OwnerID
// LastUpdateTs uses nanosecond.
m["ddl_owner_last_update_ts"] = owner.LastUpdateTS / 1e9
}
if job != nil {
m["ddl_job_id"] = job.ID
m["ddl_job_action"] = job.Type.String()
m["ddl_job_last_update_ts"] = job.LastUpdateTS
m["ddl_job_state"] = job.State.String()
m["ddl_job_error"] = job.Error
m["ddl_job_schema_state"] = job.SchemaState.String()
m["ddl_job_schema_id"] = job.SchemaID
m["ddl_job_table_id"] = job.TableID
m["ddl_job_snapshot_ver"] = job.SnapshotVer
m["ddl_job_reorg_handle"] = reorgHandle
m["ddl_job_args"] = job.Args
}
return m, nil
}