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95 lines
2.4 KiB
95 lines
2.4 KiB
// 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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// 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/parser/mysql"
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"github.com/pingcap/tidb/sessionctx/stmtctx"
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"github.com/pingcap/tidb/tablecodec"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/util/chunk"
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"github.com/pingcap/tidb/util/rowcodec"
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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 i := 0; i < b.N; i++ {
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buf, err = xb.Encode(nil, colIDs, oldRow, 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(new(stmtctx.StatementContext), 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 i := 0; i < b.N; i++ {
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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)
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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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Tp: int32(tp.Tp),
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Flag: int32(tp.Flag),
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Flen: tp.Flen,
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Decimal: tp.Decimal,
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Elems: tp.Elems,
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Collate: tp.Collate,
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}
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}
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decoder := rowcodec.NewChunkDecoder(cols, -1, nil, time.Local)
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chk := chunk.NewChunkWithCapacity(tps, 1)
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for i := 0; i < b.N; i++ {
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chk.Reset()
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err = decoder.DecodeToChunk(xRowData, 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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