51 lines
1.4 KiB
Go
51 lines
1.4 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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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/pkg/sessionctx/vardef"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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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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)
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// GetScope gets the status variables scope.
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func (*ddl) GetScope(_ string) vardef.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(_ *variable.SessionVars) (map[string]any, error) {
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s, err := d.sessPool.Get()
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if err != nil {
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return nil, errors.Trace(err)
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}
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defer d.sessPool.Put(s)
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ddlInfo, err := GetDDLInfoWithNewTxn(s)
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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]any)
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m[serverID] = d.uuid
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m[ddlSchemaVersion] = ddlInfo.SchemaVer
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return m, nil
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}
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