123 lines
3.1 KiB
Go
123 lines
3.1 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rowcodec_test
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import (
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"testing"
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"time"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/meta/model"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/tablecodec"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tidb/pkg/util/benchdaily"
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"github.com/pingcap/tidb/pkg/util/chunk"
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"github.com/pingcap/tidb/pkg/util/rowcodec"
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)
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func BenchmarkChecksum(b *testing.B) {
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b.ReportAllocs()
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datums := types.MakeDatums(1, "abc", 1.1)
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tp1 := types.NewFieldType(mysql.TypeLong)
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tp2 := types.NewFieldType(mysql.TypeVarchar)
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tp3 := types.NewFieldType(mysql.TypeDouble)
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cols := []rowcodec.ColData{
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{&model.ColumnInfo{ID: 1, FieldType: *tp1}, &datums[0]},
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{&model.ColumnInfo{ID: 2, FieldType: *tp2}, &datums[1]},
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{&model.ColumnInfo{ID: 3, FieldType: *tp3}, &datums[2]},
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}
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row := rowcodec.RowData{Cols: cols}
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for range b.N {
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_, err := row.Checksum(time.Local)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkEncode(b *testing.B) {
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b.ReportAllocs()
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oldRow := types.MakeDatums(1, "abc", 1.1)
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var xb rowcodec.Encoder
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var buf []byte
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colIDs := []int64{1, 2, 3}
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var err error
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for range b.N {
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buf = buf[:0]
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buf, err = xb.Encode(nil, colIDs, oldRow, nil, buf)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkEncodeFromOldRow(b *testing.B) {
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b.ReportAllocs()
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oldRow := types.MakeDatums(1, "abc", 1.1)
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oldRowData, err := tablecodec.EncodeOldRow(nil, oldRow, []int64{1, 2, 3}, nil, nil)
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if err != nil {
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b.Fatal(err)
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}
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var xb rowcodec.Encoder
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var buf []byte
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for range b.N {
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buf, err = rowcodec.EncodeFromOldRow(&xb, nil, oldRowData, buf)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkDecode(b *testing.B) {
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b.ReportAllocs()
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oldRow := types.MakeDatums(1, "abc", 1.1)
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colIDs := []int64{-1, 2, 3}
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tps := []*types.FieldType{
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types.NewFieldType(mysql.TypeLonglong),
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types.NewFieldType(mysql.TypeString),
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types.NewFieldType(mysql.TypeDouble),
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}
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var xb rowcodec.Encoder
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xRowData, err := xb.Encode(nil, colIDs, oldRow, nil, nil)
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if err != nil {
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b.Fatal(err)
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}
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cols := make([]rowcodec.ColInfo, len(tps))
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for i, tp := range tps {
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cols[i] = rowcodec.ColInfo{
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ID: colIDs[i],
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Ft: tp,
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}
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}
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decoder := rowcodec.NewChunkDecoder(cols, []int64{-1}, nil, time.Local)
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chk := chunk.NewChunkWithCapacity(tps, 1)
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for range b.N {
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chk.Reset()
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err = decoder.DecodeToChunk(xRowData, 0, kv.IntHandle(1), chk)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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func TestBenchDaily(t *testing.T) {
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benchdaily.Run(
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BenchmarkEncode,
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BenchmarkDecode,
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BenchmarkEncodeFromOldRow,
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)
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}
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