gitea/vendor/github.com/pingcap/tidb/ddl/stat.go

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// 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/inspectkv"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/sessionctx/variable"
)
var (
serverID = "server_id"
ddlSchemaVersion = "ddl_schema_version"
ddlOwnerID = "ddl_owner_id"
ddlOwnerLastUpdateTS = "ddl_owner_last_update_ts"
ddlJobID = "ddl_job_id"
ddlJobAction = "ddl_job_action"
ddlJobLastUpdateTS = "ddl_job_last_update_ts"
ddlJobState = "ddl_job_state"
ddlJobError = "ddl_job_error"
ddlJobSchemaState = "ddl_job_schema_state"
ddlJobSchemaID = "ddl_job_schema_id"
ddlJobTableID = "ddl_job_table_id"
ddlJobSnapshotVer = "ddl_job_snapshot_ver"
ddlJobReorgHandle = "ddl_job_reorg_handle"
ddlJobArgs = "ddl_job_args"
bgSchemaVersion = "bg_schema_version"
bgOwnerID = "bg_owner_id"
bgOwnerLastUpdateTS = "bg_owner_last_update_ts"
bgJobID = "bg_job_id"
bgJobAction = "bg_job_action"
bgJobLastUpdateTS = "bg_job_last_update_ts"
bgJobState = "bg_job_state"
bgJobError = "bg_job_error"
bgJobSchemaState = "bg_job_schema_state"
bgJobSchemaID = "bg_job_schema_id"
bgJobTableID = "bg_job_table_id"
bgJobSnapshotVer = "bg_job_snapshot_ver"
bgJobReorgHandle = "bg_job_reorg_handle"
bgJobArgs = "bg_job_args"
)
// GetScope gets the status variables scope.
func (d *ddl) GetScope(status string) variable.ScopeFlag {
// Now ddl status variables scope are all default scope.
return variable.DefaultScopeFlag
}
// Stat returns the DDL statistics.
func (d *ddl) Stats() (map[string]interface{}, error) {
m := make(map[string]interface{})
m[serverID] = d.uuid
var ddlInfo, bgInfo *inspectkv.DDLInfo
err := kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error {
var err1 error
ddlInfo, err1 = inspectkv.GetDDLInfo(txn)
if err1 != nil {
return errors.Trace(err1)
}
bgInfo, err1 = inspectkv.GetBgDDLInfo(txn)
return errors.Trace(err1)
})
if err != nil {
return nil, errors.Trace(err)
}
m[ddlSchemaVersion] = ddlInfo.SchemaVer
if ddlInfo.Owner != nil {
m[ddlOwnerID] = ddlInfo.Owner.OwnerID
// LastUpdateTS uses nanosecond.
m[ddlOwnerLastUpdateTS] = ddlInfo.Owner.LastUpdateTS / 1e9
}
if ddlInfo.Job != nil {
m[ddlJobID] = ddlInfo.Job.ID
m[ddlJobAction] = ddlInfo.Job.Type.String()
m[ddlJobLastUpdateTS] = ddlInfo.Job.LastUpdateTS / 1e9
m[ddlJobState] = ddlInfo.Job.State.String()
m[ddlJobError] = ddlInfo.Job.Error
m[ddlJobSchemaState] = ddlInfo.Job.SchemaState.String()
m[ddlJobSchemaID] = ddlInfo.Job.SchemaID
m[ddlJobTableID] = ddlInfo.Job.TableID
m[ddlJobSnapshotVer] = ddlInfo.Job.SnapshotVer
m[ddlJobReorgHandle] = ddlInfo.ReorgHandle
m[ddlJobArgs] = ddlInfo.Job.Args
}
// background DDL info
m[bgSchemaVersion] = bgInfo.SchemaVer
if bgInfo.Owner != nil {
m[bgOwnerID] = bgInfo.Owner.OwnerID
// LastUpdateTS uses nanosecond.
m[bgOwnerLastUpdateTS] = bgInfo.Owner.LastUpdateTS / 1e9
}
if bgInfo.Job != nil {
m[bgJobID] = bgInfo.Job.ID
m[bgJobAction] = bgInfo.Job.Type.String()
m[bgJobLastUpdateTS] = bgInfo.Job.LastUpdateTS / 1e9
m[bgJobState] = bgInfo.Job.State.String()
m[bgJobError] = bgInfo.Job.Error
m[bgJobSchemaState] = bgInfo.Job.SchemaState.String()
m[bgJobSchemaID] = bgInfo.Job.SchemaID
m[bgJobTableID] = bgInfo.Job.TableID
m[bgJobSnapshotVer] = bgInfo.Job.SnapshotVer
m[bgJobReorgHandle] = bgInfo.ReorgHandle
m[bgJobArgs] = bgInfo.Job.Args
}
return m, nil
}