github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/logtail/service/chunk.go (about)

     1  // Copyright 2021 Matrix Origin
     2  // Licensed under the Apache License, Version 2.0 (the "License");
     3  // you may not use this file except in compliance with the License.
     4  // You may obtain a copy of the License at
     5  //
     6  //	http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package service
    15  
    16  type Bytes = []byte
    17  
    18  func AppendChunk(b []byte, chunks ...Bytes) []byte {
    19  	for _, chunk := range chunks {
    20  		b = append(b, chunk...)
    21  	}
    22  	return b
    23  }
    24  
    25  func Split(b []byte, limit int) []Bytes {
    26  	chunks := make([]Bytes, 0, (len(b)/limit)+1)
    27  
    28  	var chunk Bytes
    29  	for len(b) >= limit {
    30  		chunk, b = b[:limit], b[limit:]
    31  		chunks = append(chunks, chunk)
    32  	}
    33  	if len(b) > 0 {
    34  		chunks = append(chunks, b[:])
    35  	}
    36  
    37  	return chunks
    38  }