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