github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/model/preparer.go (about)

     1  // Copyright 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 model
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/objectio"
    19  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/containers"
    20  )
    21  
    22  func PreparePhyAddrData(
    23  	id *objectio.Blockid, startRow, length uint32, pool *containers.VectorPool,
    24  ) (col containers.Vector, err error) {
    25  	col = pool.GetVector(&objectio.RowidType)
    26  	vec := col.GetDownstreamVector()
    27  	m := col.GetAllocator()
    28  	if err = objectio.ConstructRowidColumnTo(
    29  		vec, id, startRow, length, m,
    30  	); err != nil {
    31  		col.Close()
    32  		col = nil
    33  	}
    34  	return
    35  }
    36  
    37  type PreparedCompactedBlockData struct {
    38  	Columns       *containers.Batch
    39  	SortKey       containers.Vector
    40  	SchemaVersion uint32
    41  	Seqnums       []uint16
    42  }
    43  
    44  func NewPreparedCompactedBlockData() *PreparedCompactedBlockData {
    45  	return &PreparedCompactedBlockData{}
    46  }
    47  
    48  func (preparer *PreparedCompactedBlockData) Close() {
    49  	if preparer.Columns != nil {
    50  		preparer.Columns.Close()
    51  		preparer.Columns = nil
    52  	}
    53  	if preparer.SortKey != nil {
    54  		preparer.SortKey = nil
    55  	}
    56  }