github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/plan/function/ctl/cmd_checkpoint.go (about)

     1  // Copyright 2021 - 2022 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 ctl
    16  
    17  import (
    18  	"time"
    19  
    20  	"github.com/fagongzi/util/protoc"
    21  	"github.com/matrixorigin/matrixone/pkg/container/types"
    22  	"github.com/matrixorigin/matrixone/pkg/pb/api"
    23  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/db"
    24  	"github.com/matrixorigin/matrixone/pkg/vm/process"
    25  )
    26  
    27  func handleCheckpoint() handleFunc {
    28  	return GetTNHandlerFunc(
    29  		api.OpCode_OpCheckpoint,
    30  		func(string) ([]uint64, error) { return nil, nil },
    31  		func(tnShardID uint64, parameter string, proc *process.Process) ([]byte, error) {
    32  			flushDuration := time.Duration(0)
    33  			if parameter != "" {
    34  				var err error
    35  				flushDuration, err = time.ParseDuration(parameter)
    36  				if err != nil {
    37  					return nil, err
    38  				}
    39  			}
    40  			return types.Encode(&db.Checkpoint{FlushDuration: flushDuration})
    41  		},
    42  		func(data []byte) (any, error) {
    43  			resp := api.TNStringResponse{}
    44  			protoc.MustUnmarshal(&resp, data)
    45  			return resp, nil
    46  		},
    47  	)
    48  }