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166 lines
8.2 KiB
166 lines
8.2 KiB
// Copyright 2018 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 aggfuncs_test
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import (
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"encoding/binary"
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"testing"
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"github.com/dgryski/go-farm"
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. "github.com/pingcap/check"
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"github.com/pingcap/parser/ast"
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"github.com/pingcap/parser/mysql"
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"github.com/pingcap/tidb/executor/aggfuncs"
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"github.com/pingcap/tidb/sessionctx/stmtctx"
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"github.com/pingcap/tidb/types"
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)
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func genApproxDistinctMergePartialResult(begin, end uint64) string {
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o := aggfuncs.NewPartialResult4ApproxCountDistinct()
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encodedBytes := make([]byte, 8)
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for i := begin; i < end; i++ {
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binary.LittleEndian.PutUint64(encodedBytes, i)
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x := farm.Hash64(encodedBytes)
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o.InsertHash64(x)
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}
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return string(o.Serialize())
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}
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func (s *testSuite) TestMergePartialResult4Count(c *C) {
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tester := buildAggTester(ast.AggFuncCount, mysql.TypeLonglong, 5, 5, 3, 8)
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s.testMergePartialResult(c, tester)
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tester = buildAggTester(ast.AggFuncApproxCountDistinct, mysql.TypeLonglong, 5, genApproxDistinctMergePartialResult(0, 5), genApproxDistinctMergePartialResult(2, 5), 5)
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s.testMergePartialResult(c, tester)
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}
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func (s *testSuite) TestCount(c *C) {
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tests := []aggTest{
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buildAggTester(ast.AggFuncCount, mysql.TypeLonglong, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeFloat, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDouble, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeNewDecimal, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeString, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDate, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDuration, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeJSON, 5, 0, 5),
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}
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for _, test := range tests {
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s.testAggFunc(c, test)
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}
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tests2 := []multiArgsAggTest{
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeLonglong, mysql.TypeLonglong}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeFloat, mysql.TypeFloat}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDouble, mysql.TypeDouble}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeNewDecimal, mysql.TypeNewDecimal}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDate, mysql.TypeDate}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDuration, mysql.TypeDuration}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeJSON, mysql.TypeJSON}, mysql.TypeLonglong, 5, 0, 5),
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}
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for _, test := range tests2 {
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s.testMultiArgsAggFunc(c, test)
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}
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tests3 := []aggTest{
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buildAggTester(ast.AggFuncCount, mysql.TypeLonglong, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeFloat, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDouble, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeNewDecimal, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeString, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDate, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeDuration, 5, 0, 5),
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buildAggTester(ast.AggFuncCount, mysql.TypeJSON, 5, 0, 5),
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}
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for _, test := range tests3 {
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s.testAggFunc(c, test)
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}
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tests4 := []multiArgsAggTest{
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeLonglong, mysql.TypeLonglong}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeFloat, mysql.TypeFloat}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDouble, mysql.TypeDouble}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeNewDecimal, mysql.TypeNewDecimal}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDate, mysql.TypeDate}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDuration, mysql.TypeDuration}, mysql.TypeLonglong, 5, 0, 5),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeJSON, mysql.TypeJSON}, mysql.TypeLonglong, 5, 0, 5),
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}
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for _, test := range tests4 {
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s.testMultiArgsAggFunc(c, test)
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}
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}
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func (s *testSuite) TestWriteTime(c *C) {
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t, err := types.ParseDate(&(stmtctx.StatementContext{}), "2020-11-11")
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c.Assert(err, IsNil)
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buf := make([]byte, 16)
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for i := range buf {
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buf[i] = uint8(255)
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}
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aggfuncs.WriteTime(buf, t)
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for i := range buf {
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c.Assert(buf[i] == uint8(255), IsFalse)
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}
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}
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func BenchmarkCount(b *testing.B) {
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s := testSuite{}
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s.SetUpSuite(nil)
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rowNum := 50000
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tests := []aggTest{
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buildAggTester(ast.AggFuncCount, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeFloat, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeDouble, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeNewDecimal, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeString, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeDate, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeDuration, rowNum, 0, rowNum),
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buildAggTester(ast.AggFuncCount, mysql.TypeJSON, rowNum, 0, rowNum),
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}
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for _, test := range tests {
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s.benchmarkAggFunc(b, test)
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}
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tests2 := []multiArgsAggTest{
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeLonglong, mysql.TypeLonglong}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeFloat, mysql.TypeFloat}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDouble, mysql.TypeDouble}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeNewDecimal, mysql.TypeNewDecimal}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDate, mysql.TypeDate}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeDuration, mysql.TypeDuration}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncCount, []byte{mysql.TypeJSON, mysql.TypeJSON}, mysql.TypeLonglong, rowNum, 0, rowNum),
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}
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for _, test := range tests2 {
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s.benchmarkMultiArgsAggFunc(b, test)
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}
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tests3 := []multiArgsAggTest{
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeLonglong, mysql.TypeLonglong}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeFloat, mysql.TypeFloat}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDouble, mysql.TypeDouble}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeNewDecimal, mysql.TypeNewDecimal}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDate, mysql.TypeDate}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeDuration, mysql.TypeDuration}, mysql.TypeLonglong, rowNum, 0, rowNum),
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buildMultiArgsAggTester(ast.AggFuncApproxCountDistinct, []byte{mysql.TypeJSON, mysql.TypeJSON}, mysql.TypeLonglong, rowNum, 0, rowNum),
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}
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for _, test := range tests3 {
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s.benchmarkMultiArgsAggFunc(b, test)
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}
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}
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