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