/
begin_end_block.go
executable file
·63 lines (55 loc) · 1.77 KB
/
begin_end_block.go
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// Copyright 2020-2021 Dolthub, 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 plan
import (
"github.com/Rock-liyi/p2pdb-store/sql"
)
// BeginEndBlock represents a BEGIN/END block.
type BeginEndBlock struct {
*Block
}
// NewBeginEndBlock creates a new *BeginEndBlock node.
func NewBeginEndBlock(block *Block) *BeginEndBlock {
return &BeginEndBlock{
Block: block,
}
}
var _ sql.Node = (*BeginEndBlock)(nil)
var _ sql.DebugStringer = (*BeginEndBlock)(nil)
// String implements the sql.Node interface.
func (b *BeginEndBlock) String() string {
p := sql.NewTreePrinter()
_ = p.WriteNode("BEGIN .. END")
var children []string
for _, s := range b.statements {
children = append(children, s.String())
}
_ = p.WriteChildren(children...)
return p.String()
}
// DebugString implements the sql.DebugStringer interface.
func (b *BeginEndBlock) DebugString() string {
p := sql.NewTreePrinter()
_ = p.WriteNode("BEGIN .. END")
var children []string
for _, s := range b.statements {
children = append(children, sql.DebugString(s))
}
_ = p.WriteChildren(children...)
return p.String()
}
// WithChildren implements the sql.Node interface.
func (b *BeginEndBlock) WithChildren(children ...sql.Node) (sql.Node, error) {
return NewBeginEndBlock(NewBlock(children)), nil
}