github.com/matrixorigin/matrixone@v0.7.0/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/common/mpool"
    19  	"github.com/matrixorigin/matrixone/pkg/container/types"
    20  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/containers"
    21  )
    22  
    23  func PreparePhyAddrData(typ types.Type, prefix []byte, startRow, length uint32) (col containers.Vector, err error) {
    24  	col = containers.MakeVector(typ, false)
    25  	for i := uint32(0); i < length; i++ {
    26  		rowid := EncodePhyAddrKeyWithPrefix(prefix, startRow+i)
    27  		col.Append(rowid)
    28  	}
    29  	return
    30  }
    31  
    32  func PreparePhyAddrDataWithPool(typ types.Type, prefix []byte, startRow, length uint32, pool *mpool.MPool) (col containers.Vector, err error) {
    33  	col = containers.MakeVector(typ, false, containers.Options{Allocator: pool})
    34  	for i := uint32(0); i < length; i++ {
    35  		rowid := EncodePhyAddrKeyWithPrefix(prefix, startRow+i)
    36  		col.Append(rowid)
    37  	}
    38  	return
    39  }
    40  
    41  type PreparedCompactedBlockData struct {
    42  	Columns *containers.Batch
    43  	SortKey containers.Vector
    44  }
    45  
    46  func NewPreparedCompactedBlockData() *PreparedCompactedBlockData {
    47  	return &PreparedCompactedBlockData{}
    48  }
    49  
    50  func (preparer *PreparedCompactedBlockData) Close() {
    51  	if preparer.Columns != nil {
    52  		preparer.Columns.Close()
    53  	}
    54  	preparer.Columns.Close()
    55  	if preparer.SortKey != nil {
    56  		preparer.SortKey.Close()
    57  	}
    58  }