// 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/pingcap/errors" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util/admin" ) var ( serverID = "server_id" ddlSchemaVersion = "ddl_schema_version" ddlJobID = "ddl_job_id" ddlJobAction = "ddl_job_action" ddlJobStartTS = "ddl_job_start_ts" ddlJobState = "ddl_job_state" ddlJobError = "ddl_job_error" ddlJobRows = "ddl_job_row_count" 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" ) // 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.DefaultStatusVarScopeFlag } // Stats returns the DDL statistics. func (d *ddl) Stats(vars *variable.SessionVars) (map[string]interface{}, error) { m := make(map[string]interface{}) m[serverID] = d.uuid var ddlInfo *admin.DDLInfo err := kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error { var err1 error ddlInfo, err1 = admin.GetDDLInfo(txn) if err1 != nil { return errors.Trace(err1) } return errors.Trace(err1) }) if err != nil { return nil, errors.Trace(err) } m[ddlSchemaVersion] = ddlInfo.SchemaVer // TODO: Get the owner information. if len(ddlInfo.Jobs) == 0 { return m, nil } // TODO: Add all job information if needed. job := ddlInfo.Jobs[0] m[ddlJobID] = job.ID m[ddlJobAction] = job.Type.String() m[ddlJobStartTS] = job.StartTS / 1e9 // unit: second m[ddlJobState] = job.State.String() m[ddlJobRows] = job.RowCount if job.Error == nil { m[ddlJobError] = "" } else { m[ddlJobError] = job.Error.Error() } m[ddlJobSchemaState] = job.SchemaState.String() m[ddlJobSchemaID] = job.SchemaID m[ddlJobTableID] = job.TableID m[ddlJobSnapshotVer] = job.SnapshotVer m[ddlJobReorgHandle] = ddlInfo.ReorgHandle m[ddlJobArgs] = job.Args return m, nil }