github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/logstore/store/load.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 store
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/logstore/entry"
    19  )
    20  
    21  func (w *StoreImpl) Load(gid uint32, lsn uint64) (entry.Entry, error) {
    22  	driverLsn, err := w.retryGetDriverLsn(gid, lsn)
    23  	if err != nil {
    24  		return nil, err
    25  	}
    26  	driverEntry, err := w.driver.Read(driverLsn)
    27  	return driverEntry.Entry, err
    28  }