github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/txn/txnbase/node.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package txnbase
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/buffer/base"
    19  )
    20  
    21  const (
    22  	MaxNodeRows uint32 = 10000
    23  )
    24  
    25  type NodeState = int32
    26  
    27  const (
    28  	TransientNode NodeState = iota
    29  	PersistNode
    30  )
    31  
    32  type NodeType int8
    33  type Node interface {
    34  	base.INode
    35  	Type() NodeType
    36  	ToTransient()
    37  	Close() error
    38  }