github.com/matrixorigin/matrixone@v1.2.0/pkg/container/batch/tools.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 batch
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/container/vector"
    19  	"github.com/matrixorigin/matrixone/pkg/pb/api"
    20  )
    21  
    22  func BatchToProtoBatch(bat *Batch) (*api.Batch, error) {
    23  	rbat := new(api.Batch)
    24  	rbat.Attrs = bat.Attrs
    25  	for _, vec := range bat.Vecs {
    26  		pbVector, err := vector.VectorToProtoVector(vec)
    27  		if err != nil {
    28  			return nil, err
    29  		}
    30  		rbat.Vecs = append(rbat.Vecs, pbVector)
    31  	}
    32  	return rbat, nil
    33  
    34  }
    35  
    36  func ProtoBatchToBatch(bat *api.Batch) (*Batch, error) {
    37  	rbat := NewWithSize(len(bat.Vecs))
    38  	rbat.Attrs = append(rbat.Attrs, bat.Attrs...)
    39  	for i, v := range bat.Vecs {
    40  		vec, err := vector.ProtoVectorToVector(v)
    41  		if err != nil {
    42  			return nil, err
    43  		}
    44  		rbat.SetVector(int32(i), vec)
    45  	}
    46  	rbat.SetRowCount(rbat.GetVector(0).Length())
    47  	return rbat, nil
    48  }