Files
tidb/pkg/util/chunk/pool_test.go

111 lines
3.7 KiB
Go

// Copyright 2018 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package chunk
import (
"testing"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/types"
"github.com/stretchr/testify/require"
)
func TestNewPool(t *testing.T) {
pool := NewPool(1024)
require.Equal(t, 1024, pool.initCap)
require.NotNil(t, pool.varLenColPool)
require.NotNil(t, pool.fixLenColPool4)
require.NotNil(t, pool.fixLenColPool8)
require.NotNil(t, pool.fixLenColPool16)
require.NotNil(t, pool.fixLenColPool40)
}
func TestPoolGetChunk(t *testing.T) {
initCap := 1024
pool := NewPool(initCap)
fieldTypes := []*types.FieldType{
types.NewFieldType(mysql.TypeVarchar),
types.NewFieldType(mysql.TypeJSON),
types.NewFieldType(mysql.TypeFloat),
types.NewFieldType(mysql.TypeNewDecimal),
types.NewFieldType(mysql.TypeDouble),
types.NewFieldType(mysql.TypeLonglong),
// types.NewFieldType(mysql.TypeTimestamp),
// types.NewFieldType(mysql.TypeDatetime),
}
chk := pool.GetChunk(fieldTypes)
require.NotNil(t, chk)
require.Len(t, fieldTypes, chk.NumCols())
require.Nil(t, chk.columns[0].elemBuf)
require.Nil(t, chk.columns[1].elemBuf)
require.Equal(t, getFixedLen(fieldTypes[2]), len(chk.columns[2].elemBuf))
require.Equal(t, getFixedLen(fieldTypes[3]), len(chk.columns[3].elemBuf))
require.Equal(t, getFixedLen(fieldTypes[4]), len(chk.columns[4].elemBuf))
require.Equal(t, getFixedLen(fieldTypes[5]), len(chk.columns[5].elemBuf))
// require.Equal(t, getFixedLen(fieldTypes[6]), len(chk.columns[6].elemBuf))
// require.Equal(t, getFixedLen(fieldTypes[7]), len(chk.columns[7].elemBuf))
require.Equal(t, initCap*getFixedLen(fieldTypes[2]), cap(chk.columns[2].data))
require.Equal(t, initCap*getFixedLen(fieldTypes[3]), cap(chk.columns[3].data))
require.Equal(t, initCap*getFixedLen(fieldTypes[4]), cap(chk.columns[4].data))
require.Equal(t, initCap*getFixedLen(fieldTypes[5]), cap(chk.columns[5].data))
// require.Equal(t, initCap*getFixedLen(fieldTypes[6]), cap(chk.columns[6].data))
// require.Equal(t, initCap*getFixedLen(fieldTypes[7]), cap(chk.columns[7].data))
}
func TestPoolPutChunk(t *testing.T) {
initCap := 1024
pool := NewPool(initCap)
fieldTypes := []*types.FieldType{
types.NewFieldType(mysql.TypeVarchar),
types.NewFieldType(mysql.TypeJSON),
types.NewFieldType(mysql.TypeFloat),
types.NewFieldType(mysql.TypeNewDecimal),
types.NewFieldType(mysql.TypeDouble),
types.NewFieldType(mysql.TypeLonglong),
types.NewFieldType(mysql.TypeTimestamp),
types.NewFieldType(mysql.TypeDatetime),
}
chk := pool.GetChunk(fieldTypes)
pool.PutChunk(fieldTypes, chk)
require.Equal(t, 0, len(chk.columns))
}
func BenchmarkPoolChunkOperation(b *testing.B) {
pool := NewPool(1024)
fieldTypes := []*types.FieldType{
types.NewFieldType(mysql.TypeVarchar),
types.NewFieldType(mysql.TypeJSON),
types.NewFieldType(mysql.TypeFloat),
types.NewFieldType(mysql.TypeNewDecimal),
types.NewFieldType(mysql.TypeDouble),
types.NewFieldType(mysql.TypeLonglong),
types.NewFieldType(mysql.TypeTimestamp),
types.NewFieldType(mysql.TypeDatetime),
}
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
pool.PutChunk(fieldTypes, pool.GetChunk(fieldTypes))
}
})
}