rule.go

// Copyright (c) 2021 Terminus, 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 rules

import (
	"github.com/pingcap/parser/ast"

	"github.com/erda-project/erda/pkg/database/sqllint/script"
)

// Rule is an Error and SQL ast visitor,
// can accept a SQL stmt and lint it.
type Rule interface {
	ast.Visitor

	Error() error
}

// Ruler is a function that returns a Rule interface
type Ruler func(script script.Script) Rule