github.com/matrixorigin/matrixone@v1.2.0/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  type DedupType uint8
    52  
    53  const (
    54  	FullDedup DedupType = iota
    55  	FullSkipWorkSpaceDedup
    56  	IncrementalDedup
    57  )
    58  
    59  func TxnStrState(state TxnState) string {
    60  	switch state {
    61  	case TxnStateActive:
    62  		return "Active"
    63  	case TxnStatePreparing:
    64  		return "Preparing"
    65  	case TxnStatePrepared:
    66  		return "Prepared"
    67  	case TxnStateCommittingFinished:
    68  		return "CommittingFinished"
    69  	case TxnStateRollbacking:
    70  		return "Rollbacking"
    71  	case TxnStateCommitted:
    72  		return "Committed"
    73  	case TxnStateRollbacked:
    74  		return "Rollbacked"
    75  	case TxnStateUnknown:
    76  		return "Unknown"
    77  	}
    78  	panic("state not support")
    79  }
    80  
    81  const (
    82  	FreezePhase         = "Phase_Freeze"
    83  	RollbackPhase       = "Phase_Rollback"
    84  	PrePreparePhase     = "Phase_PrePrepare"
    85  	PrepareCommitPhase  = "Phase_PrepareCommit"
    86  	PreApplyCommitPhase = "Phase_PreApplyCommit"
    87  	ApplyCommitPhase    = "Phase_ApplyCommit"
    88  )
    89  
    90  const (
    91  	TraceStart = iota
    92  	TracePreparing
    93  	TracePrepareWalWait
    94  	TracePrepareWal
    95  	TracePreapredWait
    96  	TracePrepared
    97  )