229 lines
7.0 KiB
Go
229 lines
7.0 KiB
Go
// Copyright 2017 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 chunk
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import (
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"testing"
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"time"
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"github.com/pingcap/tidb/parser/mysql"
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"github.com/pingcap/tidb/sessionctx/stmtctx"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/types/json"
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"github.com/pingcap/tidb/util/collate"
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"github.com/stretchr/testify/require"
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)
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func TestMutRow(t *testing.T) {
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mutRow := MutRowFromTypes(allTypes)
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row := mutRow.ToRow()
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sc := new(stmtctx.StatementContext)
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for i := 0; i < row.Len(); i++ {
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val := zeroValForType(allTypes[i])
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d := row.GetDatum(i, allTypes[i])
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d2 := types.NewDatum(val)
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cmp, err := d.Compare(sc, &d2, collate.GetCollator(allTypes[i].Collate))
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require.NoError(t, err)
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require.Equal(t, 0, cmp)
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}
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mutRow = MutRowFromValues("abc", 123)
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require.False(t, row.IsNull(0))
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require.Equal(t, "abc", mutRow.ToRow().GetString(0))
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require.False(t, row.IsNull(1))
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require.Equal(t, int64(123), mutRow.ToRow().GetInt64(1))
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mutRow.SetValues("abcd", 456)
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row = mutRow.ToRow()
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require.Equal(t, "abcd", row.GetString(0))
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require.False(t, row.IsNull(0))
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require.Equal(t, int64(456), row.GetInt64(1))
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require.False(t, row.IsNull(1))
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mutRow.SetDatums(types.NewStringDatum("defgh"), types.NewIntDatum(33))
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require.False(t, row.IsNull(0))
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require.Equal(t, "defgh", row.GetString(0))
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require.False(t, row.IsNull(1))
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require.Equal(t, int64(33), row.GetInt64(1))
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mutRow.SetRow(MutRowFromValues("foobar", nil).ToRow())
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row = mutRow.ToRow()
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require.False(t, row.IsNull(0))
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require.True(t, row.IsNull(1))
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nRow := MutRowFromValues(nil, 111).ToRow()
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require.True(t, nRow.IsNull(0))
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require.False(t, nRow.IsNull(1))
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mutRow.SetRow(nRow)
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row = mutRow.ToRow()
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require.True(t, row.IsNull(0))
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require.False(t, row.IsNull(1))
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j, err := json.ParseBinaryFromString("true")
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time := types.NewTime(types.FromDate(2000, 1, 1, 1, 0, 0, 0), mysql.TypeDatetime, types.MaxFsp)
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require.NoError(t, err)
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mutRow = MutRowFromValues(j, time)
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row = mutRow.ToRow()
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require.Equal(t, j, row.GetJSON(0))
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require.Equal(t, time, row.GetTime(1))
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retTypes := []*types.FieldType{types.NewFieldType(mysql.TypeDuration)}
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chk := New(retTypes, 1, 1)
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dur, err := types.ParseDuration(sc, "01:23:45", 0)
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require.NoError(t, err)
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chk.AppendDuration(0, dur)
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mutRow = MutRowFromTypes(retTypes)
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mutRow.SetValue(0, dur)
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require.Equal(t, mutRow.c.columns[0].data, chk.columns[0].data)
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mutRow.SetDatum(0, types.NewDurationDatum(dur))
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require.Equal(t, mutRow.c.columns[0].data, chk.columns[0].data)
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}
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func TestIssue29947(t *testing.T) {
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mutRow := MutRowFromTypes(allTypes)
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nilDatum := types.NewDatum(nil)
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dataBefore := make([][]byte, 0, len(mutRow.c.columns))
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elemBufBefore := make([][]byte, 0, len(mutRow.c.columns))
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for _, col := range mutRow.c.columns {
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dataBefore = append(dataBefore, col.data)
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elemBufBefore = append(elemBufBefore, col.elemBuf)
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}
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for i, col := range mutRow.c.columns {
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mutRow.SetDatum(i, nilDatum)
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require.Equal(t, col.IsNull(0), true)
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for _, off := range col.offsets {
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require.Equal(t, off, int64(0))
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}
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require.Equal(t, col.data, dataBefore[i])
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require.Equal(t, col.elemBuf, elemBufBefore[i])
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}
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}
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func BenchmarkMutRowSetRow(b *testing.B) {
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b.ReportAllocs()
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rowChk := newChunk(8, 0)
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rowChk.AppendInt64(0, 1)
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rowChk.AppendString(1, "abcd")
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row := rowChk.GetRow(0)
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mutRow := MutRowFromValues(1, "abcd")
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for i := 0; i < b.N; i++ {
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mutRow.SetRow(row)
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}
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}
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func BenchmarkMutRowSetDatums(b *testing.B) {
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b.ReportAllocs()
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mutRow := MutRowFromValues(1, "abcd")
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datums := []types.Datum{types.NewDatum(1), types.NewDatum("abcd")}
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for i := 0; i < b.N; i++ {
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mutRow.SetDatums(datums...)
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}
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}
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func BenchmarkMutRowSetValues(b *testing.B) {
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b.ReportAllocs()
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mutRow := MutRowFromValues(1, "abcd")
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for i := 0; i < b.N; i++ {
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mutRow.SetValues(1, "abcd")
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}
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}
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func BenchmarkMutRowFromTypes(b *testing.B) {
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b.ReportAllocs()
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tps := []*types.FieldType{
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types.NewFieldType(mysql.TypeLonglong),
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types.NewFieldType(mysql.TypeVarchar),
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}
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for i := 0; i < b.N; i++ {
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MutRowFromTypes(tps)
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}
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}
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func BenchmarkMutRowFromDatums(b *testing.B) {
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b.ReportAllocs()
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datums := []types.Datum{types.NewDatum(1), types.NewDatum("abc")}
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for i := 0; i < b.N; i++ {
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MutRowFromDatums(datums)
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}
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}
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func BenchmarkMutRowFromValues(b *testing.B) {
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b.ReportAllocs()
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values := []interface{}{1, "abc"}
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for i := 0; i < b.N; i++ {
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MutRowFromValues(values)
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}
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}
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func TestMutRowShallowCopyPartialRow(t *testing.T) {
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colTypes := make([]*types.FieldType, 0, 3)
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeVarString})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeLonglong})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeTimestamp})
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mutRow := MutRowFromTypes(colTypes)
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row := MutRowFromValues("abc", 123, types.ZeroTimestamp).ToRow()
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mutRow.ShallowCopyPartialRow(0, row)
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require.Equal(t, mutRow.ToRow().GetString(0), row.GetString(0))
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require.Equal(t, mutRow.ToRow().GetInt64(1), row.GetInt64(1))
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require.Equal(t, mutRow.ToRow().GetTime(2), row.GetTime(2))
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row.c.Reset()
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d := types.NewStringDatum("dfg")
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row.c.AppendDatum(0, &d)
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d = types.NewIntDatum(567)
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row.c.AppendDatum(1, &d)
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d = types.NewTimeDatum(types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 6))
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row.c.AppendDatum(2, &d)
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require.Equal(t, mutRow.ToRow().GetTime(2), d.GetMysqlTime())
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require.Equal(t, mutRow.ToRow().GetString(0), row.GetString(0))
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require.Equal(t, mutRow.ToRow().GetInt64(1), row.GetInt64(1))
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require.Equal(t, mutRow.ToRow().GetTime(2), row.GetTime(2))
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}
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var rowsNum = 1024
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func BenchmarkMutRowShallowCopyPartialRow(b *testing.B) {
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b.ReportAllocs()
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colTypes := make([]*types.FieldType, 0, 8)
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeVarString})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeVarString})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeLonglong})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeLonglong})
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colTypes = append(colTypes, &types.FieldType{Tp: mysql.TypeDatetime})
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mutRow := MutRowFromTypes(colTypes)
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row := MutRowFromValues("abc", "abcdefg", 123, 456, types.ZeroDatetime).ToRow()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for j := 0; j < rowsNum; j++ {
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mutRow.ShallowCopyPartialRow(0, row)
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}
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}
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}
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func BenchmarkChunkAppendPartialRow(b *testing.B) {
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b.ReportAllocs()
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chk := newChunkWithInitCap(rowsNum, 0, 0, 8, 8, sizeTime)
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row := MutRowFromValues("abc", "abcdefg", 123, 456, types.ZeroDatetime).ToRow()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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chk.Reset()
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for j := 0; j < rowsNum; j++ {
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chk.AppendPartialRow(0, row)
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}
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}
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}
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