github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/iface/txnif/consts.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 txnif
    16  
    17  import "github.com/matrixorigin/matrixone/pkg/container/types"
    18  
    19  var UncommitTS types.TS
    20  
    21  func init() {
    22  	UncommitTS = types.MaxTs()
    23  }
    24  
    25  type TxnState int32
    26  
    27  const (
    28  	TxnStateActive TxnState = iota
    29  	TxnStatePreparing
    30  	//TxnStatePrepared only for 2PC
    31  	TxnStatePrepared
    32  	//TxnStateCommittingFinished only for 2PC txn runs on coordinator
    33  	TxnStateCommittingFinished
    34  	TxnStateRollbacking
    35  	//TxnStateCommitted , TxnStateRollbacked, and TxnStateUnknown are final states.
    36  	TxnStateCommitted
    37  	TxnStateRollbacked
    38  	TxnStateUnknown
    39  )
    40  
    41  type TxnStatus int32
    42  
    43  const (
    44  // TxnStatusActive TxnStatus = iota
    45  // TxnStatusPrepared
    46  // TxnStatusCommittingFinished
    47  // TxnStatusCommitted
    48  // TxnStatusRollbacked
    49  )
    50  
    51  func TxnStrState(state TxnState) string {
    52  	switch state {
    53  	case TxnStateActive:
    54  		return "Active"
    55  	case TxnStatePreparing:
    56  		return "Preparing"
    57  	case TxnStatePrepared:
    58  		return "Prepared"
    59  	case TxnStateCommittingFinished:
    60  		return "CommittingFinished"
    61  	case TxnStateRollbacking:
    62  		return "Rollbacking"
    63  	case TxnStateCommitted:
    64  		return "Committed"
    65  	case TxnStateRollbacked:
    66  		return "Rollbacked"
    67  	case TxnStateUnknown:
    68  		return "Unknown"
    69  	}
    70  	panic("state not support")
    71  }