76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
// Copyright 2024 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 executor
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import (
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"context"
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"strconv"
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"github.com/pingcap/tidb/pkg/ddl"
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"github.com/pingcap/tidb/pkg/domain/infosync"
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"github.com/pingcap/tidb/pkg/executor/internal/exec"
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"github.com/pingcap/tidb/pkg/util/chunk"
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)
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// ShowDDLExec represents a show DDL executor.
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type ShowDDLExec struct {
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exec.BaseExecutor
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ddlOwnerID string
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selfID string
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ddlInfo *ddl.Info
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done bool
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}
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var _ exec.Executor = &ShowDDLExec{}
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// Next implements the Executor Next interface.
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func (e *ShowDDLExec) Next(ctx context.Context, req *chunk.Chunk) error {
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req.Reset()
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if e.done {
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return nil
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}
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ddlJobs := ""
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query := ""
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l := len(e.ddlInfo.Jobs)
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for i, job := range e.ddlInfo.Jobs {
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ddlJobs += job.String()
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query += job.Query
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if i != l-1 {
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ddlJobs += "\n"
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query += "\n"
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}
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}
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serverInfo, err := infosync.GetServerInfoByID(ctx, e.ddlOwnerID)
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if err != nil {
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return err
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}
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serverAddress := serverInfo.IP + ":" +
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strconv.FormatUint(uint64(serverInfo.Port), 10)
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req.AppendInt64(0, e.ddlInfo.SchemaVer)
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req.AppendString(1, e.ddlOwnerID)
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req.AppendString(2, serverAddress)
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req.AppendString(3, ddlJobs)
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req.AppendString(4, e.selfID)
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req.AppendString(5, query)
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e.done = true
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return nil
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}
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