// Copyright 2018 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package core

import (
	"github.com/pingcap/tidb/pkg/parser/ast"
	"github.com/pingcap/tidb/pkg/planner/core/resolve"
)

// Trace represents a trace plan.
type Trace struct {
	baseSchemaProducer

	StmtNode   ast.StmtNode
	ResolveCtx *resolve.Context
	Format     string

	// OptimizerTrace indicates `trace plan target = 'xxx' <statement>` case
	OptimizerTrace       bool
	OptimizerTraceTarget string
}