Repository: matrixorigin/matrixone
Pull request #3486 (2022-06-29 04:06:32)

fix a registration bug, wrong return type for muliplication in decimal
**What type of PR is this?**

- [ ] API-change
- [x] BUG
- [ ] Improvement
- [ ] Documentation
- [ ] Feature
- [ ] Test and CI
- [ ] Code Refactoring

**Which issue(s) this PR fixes:**

issue #3233 

**What this PR does / why we need it:**

Not Available

**Special notes for your reviewer:**

Not Available

**Additional documentation (e.g. design docs, usage docs, etc.):**

Not Available



Patch:
diff --git a/go.mod b/go.mod
index 5dd8ed63b..d35c26e34 100644
--- a/go.mod
+++ b/go.mod
@@ -7,11 +7,10 @@ require (
 	github.com/FastFilter/xorfilter v0.1.1
 	github.com/RoaringBitmap/roaring v0.9.4
 	github.com/aws/aws-sdk-go-v2 v1.16.5
-	github.com/aws/aws-sdk-go-v2/credentials v1.12.5
+	github.com/aws/aws-sdk-go-v2/config v1.15.11
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.26.11
 	github.com/aws/smithy-go v1.11.3
 	github.com/axiomhq/hyperloglog v0.0.0-20220105174342-98591331716a
-	github.com/bxcodec/faker/v3 v3.8.0
 	github.com/cespare/xxhash/v2 v2.1.2
 	github.com/cockroachdb/pebble v0.0.0-20220407171941-2120d145e292
 	github.com/fagongzi/goetty v1.13.0
@@ -30,6 +29,7 @@ require (
 	github.com/minio/minio-go/v7 v7.0.27
 	github.com/panjf2000/ants/v2 v2.4.6
 	github.com/pierrec/lz4 v2.6.1+incompatible
+	github.com/pierrec/lz4/v4 v4.1.14
 	github.com/plar/go-adaptive-radix-tree v1.0.4
 	github.com/prashantv/gostub v1.1.0
 	github.com/sirupsen/logrus v1.8.1
@@ -46,13 +46,18 @@ require (
 	github.com/VictoriaMetrics/metrics v1.18.1 // indirect
 	github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da // indirect
 	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.2 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.12.6 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.6 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.12 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.6 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.13 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.3 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.2 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.7 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.6 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.13.6 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.11.9 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.16.7 // indirect
 	github.com/getsentry/sentry-go v0.12.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
@@ -67,7 +72,6 @@ require (
 	github.com/minio/md5-simd v1.1.0 // indirect
 	github.com/minio/sha256-simd v0.1.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/pierrec/lz4/v4 v4.1.14 // indirect
 	github.com/rs/xid v1.2.1 // indirect
 	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
 	github.com/smartystreets/assertions v1.2.0 // indirect
diff --git a/go.sum b/go.sum
index 84c59608b..41569ceec 100644
--- a/go.sum
+++ b/go.sum
@@ -85,13 +85,18 @@ github.com/aws/aws-sdk-go-v2 v1.16.5 h1:Ah9h1TZD9E2S1LzHpViBO3Jz9FPL5+rmflmb8hXi
 github.com/aws/aws-sdk-go-v2 v1.16.5/go.mod h1:Wh7MEsmEApyL5hrWzpDkba4gwAPc5/piwLVLFnCxp48=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.2 h1:LFOGNUQxc/8BlhA4FD+JdYjJKQK6tsz9Xiuh+GUTKAQ=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.2/go.mod h1:u/38zebMi809w7YFnqY/07Tw/FSs6DGhPD95Xiig7XQ=
-github.com/aws/aws-sdk-go-v2/credentials v1.12.5 h1:WNNCUTWA0vyMy5t8LfS4iB7QshsW0DsHS/VdhyCGZWM=
-github.com/aws/aws-sdk-go-v2/credentials v1.12.5/go.mod h1:DOcdLlkqUiNGyXnjWgspC3eIAdXhj8q0pO1LiSvrTI4=
+github.com/aws/aws-sdk-go-v2/config v1.15.11 h1:qfec8AtiCqVbwMcx51G1yO2PYVfWfhp2lWkDH65V9HA=
+github.com/aws/aws-sdk-go-v2/config v1.15.11/go.mod h1:mD5tNFciV7YHNjPpFYqJ6KGpoSfY107oZULvTHIxtbI=
+github.com/aws/aws-sdk-go-v2/credentials v1.12.6 h1:No1wZFW4bcM/uF6Tzzj6IbaeQJM+xxqXOYmoObm33ws=
+github.com/aws/aws-sdk-go-v2/credentials v1.12.6/go.mod h1:mQgnRmBPF2S/M01W4T4Obp3ZaZB6o1s/R8cOUda9vtI=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.6 h1:+NZzDh/RpcQTpo9xMFUgkseIam6PC+YJbdhbQp1NOXI=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.6/go.mod h1:ClLMcuQA/wcHPmOIfNzNI4Y1Q0oDbmEkbYhMFOzHDh8=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.12 h1:Zt7DDk5V7SyQULUUwIKzsROtVzp/kVvcz15uQx/Tkow=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.12/go.mod h1:Afj/U8svX6sJ77Q+FPWMzabJ9QjbwP32YlopgKALUpg=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.6 h1:eeXdGVtXEe+2Jc49+/vAzna3FAQnUD4AagAw8tzbmfc=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.6/go.mod h1:FwpAKI+FBPIELJIdmQzlLtRe8LQSOreMcM2wBsPMvvc=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.13 h1:L/l0WbIpIadRO7i44jZh1/XeXpNDX0sokFppb4ZnXUI=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.13/go.mod h1:hiM/y1XPp3DoEPhoVEYc/CZcS58dP6RKJRDFp99wdX0=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.3 h1:m1vDVDoNK4tZAoWtcetHopEdIeUlrNNpdLZ7cwZke6s=
 github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.3/go.mod h1:annFthsb7FiHQd5X9wKDNst9OJvVFY0l0LjQ8zQniJA=
 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.2 h1:T/ywkX1ed+TsZVQccu/8rRJGxKZF/t0Ivgrb4MHTSeo=
@@ -104,7 +109,9 @@ github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.13.6 h1:SSrqxZVhrO371e
 github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.13.6/go.mod h1:TzDyqDka0783D93yVirkcysbibVRxjX5HFJEWms4kKA=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.26.11 h1:Wt0512f6GfLiMd6a+NuOCC9r3/trmzHMTB697CBDUwg=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.26.11/go.mod h1:VMTprbiZWqW44viXgPSQhWdeZ8JTAeJwhO7OXpC/Rsg=
-github.com/aws/aws-sdk-go-v2/service/sso v1.11.8/go.mod h1:UqRD9bBt15P0ofRyDZX6CfsIqPpzeHOhZKWzgSuAzpo=
+github.com/aws/aws-sdk-go-v2/service/sso v1.11.9 h1:Gju1UO3E8ceuoYc/AHcdXLuTZ0WGE1PT2BYDwcYhJg8=
+github.com/aws/aws-sdk-go-v2/service/sso v1.11.9/go.mod h1:UqRD9bBt15P0ofRyDZX6CfsIqPpzeHOhZKWzgSuAzpo=
+github.com/aws/aws-sdk-go-v2/service/sts v1.16.7 h1:HLzjwQM9975FQWSF3uENDGHT1gFQm/q3QXu2BYIcI08=
 github.com/aws/aws-sdk-go-v2/service/sts v1.16.7/go.mod h1:lVxTdiiSHY3jb1aeg+BBFtDzZGSUCv6qaNOyEGCJ1AY=
 github.com/aws/smithy-go v1.11.3 h1:DQixirEFM9IaKxX1olZ3ke3nvxRS2xMDteKIDWxozW8=
 github.com/aws/smithy-go v1.11.3/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
@@ -122,8 +129,6 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/bxcodec/faker/v3 v3.8.0 h1:F59Qqnsh0BOtZRC+c4cXoB/VNYDMS3R5mlSpxIap1oU=
-github.com/bxcodec/faker/v3 v3.8.0/go.mod h1:gF31YgnMSMKgkvl+fyEo1xuSMbEuieyqfeslGYFjneM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
diff --git a/pkg/fileservice/s3_fs.go b/pkg/fileservice/s3_fs.go
index 4e69a1f77..161a56984 100644
--- a/pkg/fileservice/s3_fs.go
+++ b/pkg/fileservice/s3_fs.go
@@ -21,21 +21,21 @@ import (
 	"fmt"
 	"io"
 	"net/url"
-	"os"
 	"path"
 	"sort"
 	"strings"
+	"time"
 
 	"github.com/aws/aws-sdk-go-v2/aws/transport/http"
-	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
-	"github.com/aws/smithy-go/logging"
 )
 
 // S3FS is a FileService implementation backed by S3
 type S3FS struct {
-	config S3Config
-	client *s3.Client
+	client    *s3.Client
+	bucket    string
+	keyPrefix string
 }
 
 // key mapping scheme:
@@ -43,29 +43,37 @@ type S3FS struct {
 
 var _ FileService = new(S3FS)
 
-func NewS3FS(config S3Config) (*S3FS, error) {
-	u, err := url.Parse(config.Endpoint)
+func NewS3FS(
+	endpoint string,
+	bucket string,
+	keyPrefix string,
+) (*S3FS, error) {
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*7)
+	defer cancel()
+	cfg, err := config.LoadDefaultConfig(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	u, err := url.Parse(endpoint)
 	if err != nil {
 		return nil, err
 	}
 	if u.Scheme == "" {
 		u.Scheme = "https"
 	}
-	endpoint := u.String()
-	client := s3.New(s3.Options{
-		Credentials: credentials.NewStaticCredentialsProvider(
-			config.APIKey,
-			config.APISecret,
-			"",
-		),
-		EndpointResolver: s3.EndpointResolverFromURL(endpoint),
-		Region:           config.Region,
-		Logger:           logging.NewStandardLogger(os.Stdout),
-	})
+	endpoint = u.String()
+
+	client := s3.NewFromConfig(
+		cfg,
+		s3.WithEndpointResolver(s3.EndpointResolverFromURL(endpoint)),
+	)
 
 	return &S3FS{
-		config: config,
-		client: client,
+		client:    client,
+		bucket:    bucket,
+		keyPrefix: keyPrefix,
 	}, nil
 }
 
@@ -76,7 +84,7 @@ func (m *S3FS) List(ctx context.Context, dirPath string) (entries []DirEntry, er
 		output, err := m.client.ListObjectsV2(
 			ctx,
 			&s3.ListObjectsV2Input{
-				Bucket:            ptrTo(m.config.Bucket),
+				Bucket:            ptrTo(m.bucket),
 				Delimiter:         ptrTo("/"),
 				Prefix:            ptrTo(m.pathToKey(dirPath) + "/"),
 				ContinuationToken: cont,
@@ -123,7 +131,7 @@ func (m *S3FS) Write(ctx context.Context, vector IOVector) error {
 	output, err := m.client.HeadObject(
 		ctx,
 		&s3.HeadObjectInput{
-			Bucket: ptrTo(m.config.Bucket),
+			Bucket: ptrTo(m.bucket),
 			Key:    ptrTo(key),
 		},
 	)
@@ -161,7 +169,7 @@ func (m *S3FS) Write(ctx context.Context, vector IOVector) error {
 	_, err = m.client.PutObject(
 		ctx,
 		&s3.PutObjectInput{
-			Bucket:        ptrTo(m.config.Bucket),
+			Bucket:        ptrTo(m.bucket),
 			Key:           ptrTo(key),
 			Body:          bytes.NewReader(content),
 			ContentLength: size,
@@ -183,7 +191,7 @@ func (m *S3FS) Read(ctx context.Context, vector *IOVector) error {
 	output, err := m.client.GetObject(
 		ctx,
 		&s3.GetObjectInput{
-			Bucket: ptrTo(m.config.Bucket),
+			Bucket: ptrTo(m.bucket),
 			Key:    ptrTo(m.pathToKey(vector.FilePath)),
 			Range:  ptrTo(rang),
 		},
@@ -243,7 +251,7 @@ func (m *S3FS) Delete(ctx context.Context, filePath string) error {
 	_, err := m.client.DeleteObject(
 		ctx,
 		&s3.DeleteObjectInput{
-			Bucket: ptrTo(m.config.Bucket),
+			Bucket: ptrTo(m.bucket),
 			Key:    ptrTo(m.pathToKey(filePath)),
 		},
 	)
@@ -255,11 +263,11 @@ func (m *S3FS) Delete(ctx context.Context, filePath string) error {
 }
 
 func (m *S3FS) pathToKey(filePath string) string {
-	return path.Join(m.config.KeyPrefix, filePath)
+	return path.Join(m.keyPrefix, filePath)
 }
 
 func (m *S3FS) keyToPath(key string) string {
-	path := strings.TrimPrefix(key, m.config.KeyPrefix)
+	path := strings.TrimPrefix(key, m.keyPrefix)
 	path = strings.TrimLeft(path, "/")
 	return path
 }
diff --git a/pkg/logservice/client.go b/pkg/logservice/client.go
index de728fa1e..c405a030d 100644
--- a/pkg/logservice/client.go
+++ b/pkg/logservice/client.go
@@ -16,17 +16,25 @@ package logservice
 
 import (
 	"context"
-	"net"
+	"time"
 
 	"github.com/matrixorigin/matrixone/pkg/common/moerr"
+	"github.com/matrixorigin/matrixone/pkg/common/morpc"
 	pb "github.com/matrixorigin/matrixone/pkg/pb/logservice"
 )
 
 var (
+	ErrDeadlineNotSet  = moerr.NewError(moerr.INVALID_INPUT, "deadline not set")
+	ErrInvalidDeadline = moerr.NewError(moerr.INVALID_INPUT, "invalid deadline")
 	// ErrIncompatibleClient is returned when write requests are made on read-only clients.
 	ErrIncompatibleClient = moerr.NewError(moerr.INVALID_INPUT, "incompatible client")
 )
 
+const (
+	connectionTimeout      = 5 * time.Second
+	defaultWriteSocketSize = 64 * 1024
+)
+
 // IsTempError returns a boolean value indicating whether the specified error is a temp
 // error that worth to be retried, e.g. timeouts, temp network issues, operation can be
 // completed as Raft leader is being elected. Non-temp error means the error is caused
@@ -53,9 +61,9 @@ type Client interface {
 }
 
 type client struct {
-	conn net.Conn
-	cfg  LogServiceClientConfig
-	buf  []byte
+	cfg    LogServiceClientConfig
+	client morpc.RPCClient
+	addr   string
 }
 
 var _ Client = (*client)(nil)
@@ -64,16 +72,16 @@ func CreateClient(ctx context.Context,
 	name string, cfg LogServiceClientConfig) (Client, error) {
 	c := &client{
 		cfg: cfg,
-		buf: make([]byte, reqBufSize),
 	}
 	var e error
 	for _, addr := range cfg.ServiceAddresses {
-		conn, err := getConnection(ctx, addr)
+		cc, err := getRPCClient(ctx, addr)
 		if err != nil {
 			e = err
 			continue
 		}
-		c.conn = conn
+		c.addr = addr
+		c.client = cc
 		if cfg.ReadOnly {
 			if err := c.connectReadOnly(ctx); err == nil {
 				return c, nil
@@ -92,10 +100,7 @@ func CreateClient(ctx context.Context,
 }
 
 func (c *client) Close() error {
-	if err := sendPoison(c.conn, poisonNumber[:]); err != nil {
-		return err
-	}
-	return waitPoisonAck(c.conn)
+	return c.client.Close()
 }
 
 func (c *client) Config() LogServiceClientConfig {
@@ -149,26 +154,41 @@ func (c *client) request(ctx context.Context,
 		return pb.Response{}, nil, err
 	}
 	req := pb.Request{
-		Method:      mt,
-		ShardID:     c.cfg.ShardID,
-		DNID:        c.cfg.ReplicaID,
-		Timeout:     int64(timeout),
-		Index:       index,
-		MaxSize:     maxSize,
-		PayloadSize: uint64(len(payload)),
-	}
-	if err := writeRequest(c.conn, req, c.buf, payload); err != nil {
+		Method:  mt,
+		ShardID: c.cfg.ShardID,
+		DNID:    c.cfg.ReplicaID,
+		Timeout: int64(timeout),
+		Index:   index,
+		MaxSize: maxSize,
+	}
+	rr := &RPCRequest{
+		Request: req,
+		payload: payload,
+	}
+	// FIXME: fix SendOption
+	// FIXME: how to avoid allocation here?
+	future, err := c.client.Send(ctx,
+		c.addr, rr, morpc.SendOptions{Timeout: time.Duration(timeout)})
+	if err != nil {
 		return pb.Response{}, nil, err
 	}
-	resp, recs, err := readResponse(c.conn, c.buf)
+	msg, err := future.Get()
 	if err != nil {
 		return pb.Response{}, nil, err
 	}
-	err = toError(resp)
+	response, ok := msg.(*RPCResponse)
+	if !ok {
+		panic("unexpected response type")
+	}
+	var recs pb.LogRecordResponse
+	if len(response.payload) > 0 {
+		MustUnmarshal(&recs, response.payload)
+	}
+	err = toError(response.Response)
 	if err != nil {
 		return pb.Response{}, nil, err
 	}
-	return resp, recs.Records, nil
+	return response.Response, recs.Records, nil
 }
 
 func (c *client) connect(ctx context.Context, mt pb.MethodType) error {
@@ -205,3 +225,30 @@ func (c *client) getTruncatedIndex(ctx context.Context) (Lsn, error) {
 	}
 	return resp.Index, nil
 }
+
+func getRPCClient(ctx context.Context, target string) (morpc.RPCClient, error) {
+	mf := func() morpc.Message {
+		return &RPCResponse{}
+	}
+	codec := morpc.NewMessageCodec(mf, defaultWriteSocketSize)
+	// FIXME: set options
+	bf := morpc.NewGoettyBasedBackendFactory(codec,
+		morpc.WithBackendConnectWhenCreate(),
+		morpc.WithBackendConnectTimeout(connectionTimeout))
+	return morpc.NewClient(bf,
+		morpc.WithClientInitBackends([]string{target}, []int{1}),
+		morpc.WithClientMaxBackendPerHost(1),
+		morpc.WithClientDisableCreateTask())
+}
+
+func getTimeoutFromContext(ctx context.Context) (time.Duration, error) {
+	d, ok := ctx.Deadline()
+	if !ok {
+		return 0, ErrDeadlineNotSet
+	}
+	now := time.Now()
+	if now.After(d) {
+		return 0, ErrInvalidDeadline
+	}
+	return d.Sub(now), nil
+}
diff --git a/pkg/logservice/service.go b/pkg/logservice/service.go
index 7a6ad2982..82f3aff4b 100644
--- a/pkg/logservice/service.go
+++ b/pkg/logservice/service.go
@@ -16,15 +16,11 @@ package logservice
 
 import (
 	"context"
-	"net"
-	"sync"
 	"time"
 
-	"github.com/cockroachdb/errors"
 	"github.com/lni/dragonboat/v4/logger"
-	"github.com/lni/goutils/netutil"
-	"github.com/lni/goutils/syncutil"
 
+	"github.com/matrixorigin/matrixone/pkg/common/morpc"
 	pb "github.com/matrixorigin/matrixone/pkg/pb/logservice"
 )
 
@@ -32,20 +28,79 @@ var (
 	plog = logger.GetLogger("LogService")
 )
 
+const (
+	LogServiceRPCName = "logservice-rpc"
+)
+
 type Lsn = uint64
 
 type LogRecord = pb.LogRecord
 
+// TODO: move this to a better place
+func firstError(err1 error, err2 error) error {
+	if err1 != nil {
+		return err1
+	}
+	return err2
+}
+
+// RPCRequest is request message type used in morpc
+type RPCRequest struct {
+	pb.Request
+	payload []byte
+}
+
+var _ morpc.PayloadMessage = (*RPCRequest)(nil)
+
+func (r *RPCRequest) ID() []byte {
+	return nil
+}
+
+func (r *RPCRequest) DebugString() string {
+	return ""
+}
+
+func (r *RPCRequest) GetPayloadField() []byte {
+	return r.payload
+}
+
+func (r *RPCRequest) SetPayloadField(data []byte) {
+	r.payload = data
+}
+
+// RPCResponse is response message type used in morpc
+type RPCResponse struct {
+	pb.Response
+	payload []byte
+}
+
+var _ morpc.PayloadMessage = (*RPCResponse)(nil)
+
+func (r *RPCResponse) ID() []byte {
+	return nil
+}
+
+func (r *RPCResponse) DebugString() string {
+	return ""
+}
+
+func (r *RPCResponse) GetPayloadField() []byte {
+	return r.payload
+}
+
+func (r *RPCResponse) SetPayloadField(data []byte) {
+	r.payload = data
+}
+
 // Service is the top layer component of a log service node. It manages the
 // underlying log store which in turn manages all log shards including the
 // HAKeeper shard. The Log Service component communicates with LogService
 // clients owned by DN nodes and the HAKeeper service via network, it can
 // be considered as the interface layer of the LogService.
 type Service struct {
-	cfg         Config
-	store       *store
-	stopper     *syncutil.Stopper
-	connStopper *syncutil.Stopper
+	cfg    Config
+	store  *store
+	server morpc.RPCServer
 }
 
 func NewService(cfg Config) (*Service, error) {
@@ -59,16 +114,27 @@ func NewService(cfg Config) (*Service, error) {
 		plog.Errorf("failed to create log store %v", err)
 		return nil, err
 	}
+
+	mf := func() morpc.Message {
+		return &RPCRequest{}
+	}
+	codec := morpc.NewMessageCodec(mf, 16*1024)
+	server, err := morpc.NewRPCServer(LogServiceRPCName, cfg.ServiceListenAddress, codec)
+	if err != nil {
+		return nil, err
+	}
+
 	plog.Infof("store created")
 	service := &Service{
-		cfg:         cfg,
-		store:       store,
-		stopper:     syncutil.NewStopper(),
-		connStopper: syncutil.NewStopper(),
+		cfg:    cfg,
+		store:  store,
+		server: server,
 	}
+	server.RegisterRequestHandler(service.handleRPCRequest)
+
 	// TODO: before making the service available to the outside world, restore all
 	// replicas already known to the local store
-	if err := service.startServer(); err != nil {
+	if err := server.Start(); err != nil {
 		plog.Errorf("failed to start the server %v", err)
 		if err := store.Close(); err != nil {
 			plog.Errorf("failed to close the store, %v", err)
@@ -79,103 +145,32 @@ func NewService(cfg Config) (*Service, error) {
 	return service, nil
 }
 
-func (s *Service) Close() error {
-	s.stopper.Stop()
-	s.connStopper.Stop()
-	return s.store.Close()
+func (s *Service) Close() (err error) {
+	err = firstError(err, s.server.Close())
+	err = firstError(err, s.store.Close())
+	return err
 }
 
 func (s *Service) ID() string {
 	return s.store.ID()
 }
 
-func (s *Service) startServer() error {
-	listener, err := netutil.NewStoppableListener(s.cfg.ServiceListenAddress,
-		nil, s.stopper.ShouldStop())
-	if err != nil {
-		return err
+func (s *Service) handleRPCRequest(req morpc.Message,
+	seq uint64, cs morpc.ClientSession) error {
+	rr, ok := req.(*RPCRequest)
+	if !ok {
+		panic("unexpected message type")
 	}
-	s.connStopper.RunWorker(func() {
-		// sync.WaitGroup's doc mentions that
-		// "Note that calls with a positive delta that occur when the counter is
-		//  zero must happen before a Wait."
-		// It is unclear that whether the stdlib is going complain in future
-		// releases when Wait() is called when the counter is zero and Add() with
-		// positive delta has never been called.
-		<-s.connStopper.ShouldStop()
-	})
-	s.stopper.RunWorker(func() {
-		for {
-			conn, err := listener.Accept()
-			if err != nil {
-				if err == netutil.ErrListenerStopped {
-					return
-				}
-				panic(err)
-			}
-			var once sync.Once
-			closeFn := func() {
-				once.Do(func() {
-					if err := conn.Close(); err != nil {
-						plog.Errorf("failed to close the connection, %v", err)
-					}
-				})
-			}
-			s.connStopper.RunWorker(func() {
-				<-s.stopper.ShouldStop()
-				closeFn()
-			})
-			s.connStopper.RunWorker(func() {
-				s.serve(conn)
-				closeFn()
-			})
-		}
-	})
-	return nil
-}
-
-func (s *Service) serve(conn net.Conn) {
-	magicNum := make([]byte, len(magicNumber))
-	reqBuf := make([]byte, reqBufSize)
-	recvBuf := make([]byte, recvBufSize)
-
-	for {
-		err := readMagicNumber(conn, magicNum)
-		if err != nil {
-			if errors.Is(err, errPoisonReceived) {
-				if err := sendPoisonAck(conn, poisonNumber[:]); err != nil {
-					plog.Errorf("failed to send poison ack, %v", err)
-				}
-				return
-			}
-			if errors.Is(err, errBadMessage) {
-				return
-			}
-			operr, ok := err.(net.Error)
-			if ok && operr.Timeout() {
-				continue
-			} else {
-				return
-			}
-		}
-		req, payload, err := readRequest(conn, reqBuf, recvBuf)
-		if err != nil {
-			plog.Errorf("failed to read request, %v", err)
-			return
-		}
-		// with error already encoded into the resp
-		resp, records := s.handle(req, payload)
-		var recs []byte
-		if len(records.Records) > 0 {
-			data := MustMarshal(&records)
-			resp.PayloadSize = uint64(len(data))
-			recs = data
-		}
-		if err := writeResponse(conn, resp, recs, recvBuf); err != nil {
-			plog.Errorf("failed to write response, %v", err)
-			return
-		}
+	resp, records := s.handle(rr.Request, rr.GetPayloadField())
+	var recs []byte
+	if len(records.Records) > 0 {
+		recs = MustMarshal(&records)
 	}
+	// FIXME: set timeout value
+	return cs.Write(&RPCResponse{
+		Response: resp,
+		payload:  recs,
+	}, morpc.SendOptions{})
 }
 
 func (s *Service) handle(req pb.Request,
diff --git a/pkg/logservice/transport.go b/pkg/logservice/transport.go
deleted file mode 100644
index bc719c467..000000000
--- a/pkg/logservice/transport.go
+++ /dev/null
@@ -1,320 +0,0 @@
-// Copyright 2021 - 2022 Matrix Origin
-//
-// 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 logservice
-
-import (
-	"bytes"
-	"context"
-	"io"
-	"net"
-	"time"
-
-	"github.com/matrixorigin/matrixone/pkg/common/moerr"
-	pb "github.com/matrixorigin/matrixone/pkg/pb/logservice"
-)
-
-var (
-	errBadMessage      = moerr.NewError(moerr.INVALID_INPUT, "invalid message")
-	errPoisonReceived  = moerr.NewError(moerr.INVALID_STATE, "poison received")
-	ErrDeadlineNotSet  = moerr.NewError(moerr.INVALID_INPUT, "deadline not set")
-	ErrInvalidDeadline = moerr.NewError(moerr.INVALID_INPUT, "invalid deadline")
-
-	magicNumber          = [2]byte{0x2A, 0xBD}
-	poisonNumber         = [2]byte{0x2B, 0xBE}
-	requestSendDuration  = 2 * time.Second
-	requestReadDuration  = 2 * time.Second
-	responseSendDuration = 2 * time.Second
-	responseReadDuration = 2 * time.Second
-	writeDuration        = 10 * time.Second
-	readDuration         = 10 * time.Second
-	keepAlivePeriod      = 5 * time.Second
-
-	reqBufSize  = 2 * 1024
-	recvBufSize = 512 * 1024
-)
-
-func sendPoison(conn net.Conn, poison []byte) error {
-	tt := time.Now().Add(requestSendDuration)
-	if err := conn.SetWriteDeadline(tt); err != nil {
-		return err
-	}
-	if _, err := conn.Write(poison); err != nil {
-		return err
-	}
-	return nil
-}
-
-func sendPoisonAck(conn net.Conn, poisonAck []byte) error {
-	return sendPoison(conn, poisonAck)
-}
-
-func waitPoisonAck(conn net.Conn) error {
-	ack := make([]byte, len(poisonNumber))
-	tt := time.Now().Add(keepAlivePeriod)
-	if err := conn.SetReadDeadline(tt); err != nil {
-		return err
-	}
-	if _, err := io.ReadFull(conn, ack); err != nil {
-		return err
-	}
-	return nil
-}
-
-func readSize(conn net.Conn, buf []byte) (int, error) {
-	if len(buf) < 4 {
-		buf = make([]byte, 4)
-	}
-	szbuf := buf[:4]
-	tt := time.Now().Add(requestReadDuration)
-	if err := conn.SetWriteDeadline(tt); err != nil {
-		return 0, err
-	}
-	if _, err := io.ReadFull(conn, szbuf); err != nil {
-		return 0, err
-	}
-	return int(binaryEnc.Uint32(szbuf)), nil
-}
-
-// FIXME: add data corruption check
-func writeRequest(conn net.Conn,
-	req pb.Request, buf []byte, payload []byte) error {
-	if len(buf) < req.Size()+4+len(magicNumber[:]) {
-		buf = make([]byte, req.Size()+4+len(magicNumber[:]))
-	}
-	n, err := req.MarshalTo(buf[4+len(magicNumber[:]):])
-	if err != nil {
-		panic(err)
-	}
-
-	copy(buf, magicNumber[:])
-	binaryEnc.PutUint32(buf[len(magicNumber[:]):], uint32(n))
-	buf = buf[:n+4+len(magicNumber[:])]
-
-	tt := time.Now().Add(requestSendDuration)
-	if err := conn.SetWriteDeadline(tt); err != nil {
-		return err
-	}
-	if _, err := conn.Write(buf); err != nil {
-		return err
-	}
-	if len(payload) > 0 {
-		tt = time.Now().Add(writeDuration)
-		if err := conn.SetWriteDeadline(tt); err != nil {
-			return err
-		}
-		if _, err := conn.Write(payload); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func readRequest(conn net.Conn,
-	buf []byte, payload []byte) (pb.Request, []byte, error) {
-	size, err := readSize(conn, buf)
-	if err != nil {
-		return pb.Request{}, nil, err
-	}
-	if len(buf) < size {
-		buf = make([]byte, size)
-	}
-	buf = buf[:size]
-	if _, err := io.ReadFull(conn, buf); err != nil {
-		return pb.Request{}, nil, err
-	}
-	var req pb.Request
-	MustUnmarshal(&req, buf)
-	if req.PayloadSize > 0 {
-		if uint64(len(payload)) < req.PayloadSize {
-			payload = make([]byte, req.PayloadSize)
-		}
-		payload = payload[:req.PayloadSize]
-		tt := time.Now().Add(readDuration)
-		if err := conn.SetWriteDeadline(tt); err != nil {
-			return pb.Request{}, nil, err
-		}
-		if _, err := io.ReadFull(conn, payload); err != nil {
-			return pb.Request{}, nil, err
-		}
-	}
-	return req, payload, nil
-}
-
-func writeResponse(conn net.Conn, resp pb.Response,
-	records []byte, buf []byte) error {
-	if len(buf) < resp.Size()+4 {
-		buf = make([]byte, resp.Size()+4)
-	}
-	if resp.PayloadSize != uint64(len(records)) {
-		panic("Payload size not set")
-	}
-
-	n, err := resp.MarshalTo(buf[4:])
-	if err != nil {
-		panic(err)
-	}
-	buf = buf[:n+4]
-	binaryEnc.PutUint32(buf, uint32(n))
-
-	tt := time.Now().Add(responseSendDuration)
-	if err := conn.SetWriteDeadline(tt); err != nil {
-		return err
-	}
-	if _, err := conn.Write(buf); err != nil {
-		return err
-	}
-
-	if len(records) > 0 {
-		sent := 0
-		bufSize := int(recvBufSize)
-		for sent < len(records) {
-			if sent+bufSize > len(records) {
-				bufSize = len(records) - sent
-			}
-			tt = time.Now().Add(writeDuration)
-			if err := conn.SetWriteDeadline(tt); err != nil {
-				return err
-			}
-			if _, err := conn.Write(records[sent : sent+bufSize]); err != nil {
-				return err
-			}
-			sent += bufSize
-		}
-	}
-
-	return nil
-}
-
-func readResponse(conn net.Conn,
-	buf []byte) (pb.Response, pb.LogRecordResponse, error) {
-	size, err := readSize(conn, buf)
-	if err != nil {
-		return pb.Response{}, pb.LogRecordResponse{}, err
-	}
-
-	if len(buf) < size {
-		buf = make([]byte, size)
-	}
-	buf = buf[:size]
-
-	tt := time.Now().Add(responseReadDuration)
-	if err := conn.SetReadDeadline(tt); err != nil {
-		return pb.Response{}, pb.LogRecordResponse{}, err
-	}
-	if _, err := io.ReadFull(conn, buf); err != nil {
-		return pb.Response{}, pb.LogRecordResponse{}, err
-	}
-	var resp pb.Response
-	MustUnmarshal(&resp, buf)
-	size = int(resp.PayloadSize)
-	if size > len(buf) {
-		buf = make([]byte, size)
-	} else {
-		buf = buf[:size]
-	}
-
-	received := uint64(0)
-	var recvBuf []byte
-	if size < recvBufSize {
-		recvBuf = buf[:size]
-	} else {
-		recvBuf = buf[:recvBufSize]
-	}
-	toRead := size
-	for toRead > 0 {
-		tt = time.Now().Add(readDuration)
-		if err := conn.SetReadDeadline(tt); err != nil {
-			return pb.Response{}, pb.LogRecordResponse{}, err
-		}
-		if _, err := io.ReadFull(conn, recvBuf); err != nil {
-			return pb.Response{}, pb.LogRecordResponse{}, err
-		}
-		toRead -= len(recvBuf)
-		received += uint64(len(recvBuf))
-		if toRead < recvBufSize {
-			recvBuf = buf[received : received+uint64(toRead)]
-		} else {
-			recvBuf = buf[received : received+uint64(recvBufSize)]
-		}
-	}
-
-	var logs pb.LogRecordResponse
-	MustUnmarshal(&logs, buf)
-
-	return resp, logs, nil
-}
-
-func readMagicNumber(conn net.Conn, buf []byte) error {
-	tt := time.Now().Add(requestReadDuration)
-	if err := conn.SetReadDeadline(tt); err != nil {
-		return err
-	}
-	if len(buf) < len(magicNumber[:]) {
-		buf = make([]byte, len(magicNumber[:]))
-	}
-	buf = buf[:len(magicNumber[:])]
-	if _, err := io.ReadFull(conn, buf); err != nil {
-		return err
-	}
-	if bytes.Equal(buf, poisonNumber[:]) {
-		return errPoisonReceived
-	}
-	if !bytes.Equal(buf, magicNumber[:]) {
-		return errBadMessage
-	}
-	return nil
-}
-
-func getConnection(ctx context.Context, target string) (net.Conn, error) {
-	timeout, err := getTimeoutFromContext(ctx)
-	if err != nil {
-		return nil, err
-	}
-	conn, err := net.DialTimeout("tcp", target, timeout)
-	if err != nil {
-		return nil, err
-	}
-	tcpconn, ok := conn.(*net.TCPConn)
-	if ok {
-		if err := setTCPConn(tcpconn); err != nil {
-			return nil, err
-		}
-	} else {
-		panic("unexpected connection type")
-	}
-	return conn, nil
-}
-
-func setTCPConn(conn *net.TCPConn) error {
-	if err := conn.SetLinger(0); err != nil {
-		return err
-	}
-	if err := conn.SetKeepAlive(true); err != nil {
-		return err
-	}
-	return conn.SetKeepAlivePeriod(keepAlivePeriod)
-}
-
-func getTimeoutFromContext(ctx context.Context) (time.Duration, error) {
-	d, ok := ctx.Deadline()
-	if !ok {
-		return 0, ErrDeadlineNotSet
-	}
-	now := time.Now()
-	if now.After(d) {
-		return 0, ErrInvalidDeadline
-	}
-	return d.Sub(now), nil
-}
diff --git a/pkg/pb/logservice/logservice.pb.go b/pkg/pb/logservice/logservice.pb.go
index a1374535e..f3c159cf7 100644
--- a/pkg/pb/logservice/logservice.pb.go
+++ b/pkg/pb/logservice/logservice.pb.go
@@ -645,7 +645,6 @@ type Request struct {
 	Timeout              int64      `protobuf:"varint,6,opt,name=Timeout,proto3" json:"Timeout,omitempty"`
 	DNShardID            uint64     `protobuf:"varint,7,opt,name=DNShardID,proto3" json:"DNShardID,omitempty"`
 	DNID                 uint64     `protobuf:"varint,8,opt,name=DNID,proto3" json:"DNID,omitempty"`
-	PayloadSize          uint64     `protobuf:"varint,9,opt,name=PayloadSize,proto3" json:"PayloadSize,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
 	XXX_unrecognized     []byte     `json:"-"`
 	XXX_sizecache        int32      `json:"-"`
@@ -740,13 +739,6 @@ func (m *Request) GetDNID() uint64 {
 	return 0
 }
 
-func (m *Request) GetPayloadSize() uint64 {
-	if m != nil {
-		return m.PayloadSize
-	}
-	return 0
-}
-
 type Response struct {
 	Method               MethodType `protobuf:"varint,1,opt,name=Method,proto3,enum=logservice.MethodType" json:"Method,omitempty"`
 	ErrorCode            ErrorCode  `protobuf:"varint,2,opt,name=ErrorCode,proto3,enum=logservice.ErrorCode" json:"ErrorCode,omitempty"`
@@ -754,7 +746,6 @@ type Response struct {
 	ShardID              uint64     `protobuf:"varint,4,opt,name=ShardID,proto3" json:"ShardID,omitempty"`
 	Index                uint64     `protobuf:"varint,5,opt,name=Index,proto3" json:"Index,omitempty"`
 	LastIndex            uint64     `protobuf:"varint,6,opt,name=LastIndex,proto3" json:"LastIndex,omitempty"`
-	PayloadSize          uint64     `protobuf:"varint,7,opt,name=PayloadSize,proto3" json:"PayloadSize,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
 	XXX_unrecognized     []byte     `json:"-"`
 	XXX_sizecache        int32      `json:"-"`
@@ -835,13 +826,6 @@ func (m *Response) GetLastIndex() uint64 {
 	return 0
 }
 
-func (m *Response) GetPayloadSize() uint64 {
-	if m != nil {
-		return m.PayloadSize
-	}
-	return 0
-}
-
 type LogRecordResponse struct {
 	Records              []LogRecord `protobuf:"bytes,1,rep,name=Records,proto3" json:"Records"`
 	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
@@ -910,73 +894,72 @@ func init() {
 func init() { proto.RegisterFile("logservice.proto", fileDescriptor_fd1040c5381ab5a7) }
 
 var fileDescriptor_fd1040c5381ab5a7 = []byte{
-	// 1048 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x56, 0x4f, 0x6b, 0x1b, 0x47,
-	0x14, 0xf7, 0x4a, 0xab, 0x7f, 0x4f, 0x8a, 0x3a, 0x1e, 0xea, 0x74, 0x6b, 0x82, 0x63, 0x44, 0x09,
-	0xc6, 0x50, 0x19, 0x6c, 0x02, 0xa5, 0x2d, 0x14, 0x5b, 0xbb, 0x4d, 0x14, 0xec, 0x95, 0x19, 0xc9,
-	0x87, 0x16, 0x4a, 0x18, 0x6b, 0xc7, 0xf2, 0x36, 0xd2, 0x8e, 0x3a, 0x3b, 0x32, 0x56, 0xaf, 0xa5,
-	0xd7, 0x7e, 0xae, 0x1c, 0x7d, 0xe9, 0x35, 0xb4, 0x3e, 0xf5, 0xd6, 0x0f, 0xd0, 0x4b, 0x99, 0x99,
-	0xdd, 0xd5, 0xae, 0x8d, 0xdb, 0xe4, 0x36, 0xef, 0xf7, 0xfe, 0xcc, 0x7b, 0xbf, 0xf7, 0xe6, 0x31,
-	0x80, 0xa6, 0x7c, 0x12, 0x33, 0x71, 0x15, 0x8e, 0x59, 0x77, 0x2e, 0xb8, 0xe4, 0x18, 0x56, 0xc8,
-	0xe6, 0xe7, 0x93, 0x50, 0x5e, 0x2e, 0xce, 0xbb, 0x63, 0x3e, 0xdb, 0x9b, 0xf0, 0x09, 0xdf, 0xd3,
-	0x26, 0xe7, 0x8b, 0x0b, 0x2d, 0x69, 0x41, 0x9f, 0x8c, 0x6b, 0xe7, 0x6f, 0x0b, 0x5a, 0xc7, 0x7c,
-	0x32, 0xbc, 0xa4, 0x22, 0xe8, 0x47, 0x17, 0x1c, 0x3b, 0x50, 0x33, 0x82, 0xeb, 0x58, 0xdb, 0xd6,
-	0x8e, 0x4d, 0x52, 0x11, 0x1f, 0x41, 0x9d, 0xb0, 0xf9, 0x34, 0x1c, 0xd3, 0xd8, 0x29, 0x6d, 0x97,
-	0x77, 0x9a, 0xfb, 0xcf, 0xba, 0xb9, 0x54, 0xf2, 0x51, 0xba, 0xa9, 0xa1, 0x17, 0x49, 0xb1, 0x24,
-	0x99, 0x1f, 0xfe, 0x18, 0x2a, 0xde, 0x9c, 0x8f, 0x2f, 0x9d, 0xb2, 0x8e, 0x6d, 0x04, 0xbc, 0x09,
-	0xf5, 0x63, 0x46, 0x03, 0x26, 0xfa, 0xae, 0x63, 0x6b, 0x45, 0x26, 0x63, 0x0c, 0xf6, 0x88, 0x89,
-	0x99, 0x53, 0xd1, 0xb8, 0x3e, 0x6f, 0x7e, 0x05, 0x8f, 0x0a, 0x17, 0x60, 0x04, 0xe5, 0x37, 0x6c,
-	0x99, 0x24, 0xac, 0x8e, 0xea, 0xa2, 0x2b, 0x3a, 0x5d, 0x30, 0xa7, 0xb4, 0x6d, 0xed, 0x34, 0x88,
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 }
 
 func (m *LogShardInfo) Marshal() (dAtA []byte, err error) {
@@ -1364,11 +1347,6 @@ func (m *Request) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if m.PayloadSize != 0 {
-		i = encodeVarintLogservice(dAtA, i, uint64(m.PayloadSize))
-		i--
-		dAtA[i] = 0x48
-	}
 	if m.DNID != 0 {
 		i = encodeVarintLogservice(dAtA, i, uint64(m.DNID))
 		i--
@@ -1438,11 +1416,6 @@ func (m *Response) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if m.PayloadSize != 0 {
-		i = encodeVarintLogservice(dAtA, i, uint64(m.PayloadSize))
-		i--
-		dAtA[i] = 0x38
-	}
 	if m.LastIndex != 0 {
 		i = encodeVarintLogservice(dAtA, i, uint64(m.LastIndex))
 		i--
@@ -1735,9 +1708,6 @@ func (m *Request) Size() (n int) {
 	if m.DNID != 0 {
 		n += 1 + sovLogservice(uint64(m.DNID))
 	}
-	if m.PayloadSize != 0 {
-		n += 1 + sovLogservice(uint64(m.PayloadSize))
-	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -1769,9 +1739,6 @@ func (m *Response) Size() (n int) {
 	if m.LastIndex != 0 {
 		n += 1 + sovLogservice(uint64(m.LastIndex))
 	}
-	if m.PayloadSize != 0 {
-		n += 1 + sovLogservice(uint64(m.PayloadSize))
-	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -3088,25 +3055,6 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 9:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field PayloadSize", wireType)
-			}
-			m.PayloadSize = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowLogservice
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.PayloadSize |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLogservice(dAtA[iNdEx:])
@@ -3285,25 +3233,6 @@ func (m *Response) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 7:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field PayloadSize", wireType)
-			}
-			m.PayloadSize = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowLogservice
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.PayloadSize |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLogservice(dAtA[iNdEx:])
diff --git a/pkg/pb/plan/plan.pb.go b/pkg/pb/plan/plan.pb.go
index 261b64bc2..188b55808 100644
--- a/pkg/pb/plan/plan.pb.go
+++ b/pkg/pb/plan/plan.pb.go
@@ -421,14 +421,15 @@ const (
 	Node_SINK_SCAN     Node_NodeType = 23
 	// Proper Relational Operators
 	Node_AGG       Node_NodeType = 30
-	Node_FILTER    Node_NodeType = 31
-	Node_JOIN      Node_NodeType = 32
-	Node_SAMPLE    Node_NodeType = 33
-	Node_SORT      Node_NodeType = 34
-	Node_UNION     Node_NodeType = 35
-	Node_UNION_ALL Node_NodeType = 36
-	Node_UNIQUE    Node_NodeType = 37
-	Node_WINDOW    Node_NodeType = 38
+	Node_DISTINCT  Node_NodeType = 31
+	Node_FILTER    Node_NodeType = 32
+	Node_JOIN      Node_NodeType = 33
+	Node_SAMPLE    Node_NodeType = 34
+	Node_SORT      Node_NodeType = 35
+	Node_UNION     Node_NodeType = 36
+	Node_UNION_ALL Node_NodeType = 37
+	Node_UNIQUE    Node_NodeType = 38
+	Node_WINDOW    Node_NodeType = 39
 	// Physical tuple mover
 	Node_BROADCAST Node_NodeType = 40
 	Node_SPLIT     Node_NodeType = 41
@@ -455,14 +456,15 @@ var Node_NodeType_name = map[int32]string{
 	22: "SINK",
 	23: "SINK_SCAN",
 	30: "AGG",
-	31: "FILTER",
-	32: "JOIN",
-	33: "SAMPLE",
-	34: "SORT",
-	35: "UNION",
-	36: "UNION_ALL",
-	37: "UNIQUE",
-	38: "WINDOW",
+	31: "DISTINCT",
+	32: "FILTER",
+	33: "JOIN",
+	34: "SAMPLE",
+	35: "SORT",
+	36: "UNION",
+	37: "UNION_ALL",
+	38: "UNIQUE",
+	39: "WINDOW",
 	40: "BROADCAST",
 	41: "SPLIT",
 	42: "GATHER",
@@ -486,14 +488,15 @@ var Node_NodeType_value = map[string]int32{
 	"SINK":              22,
 	"SINK_SCAN":         23,
 	"AGG":               30,
-	"FILTER":            31,
-	"JOIN":              32,
-	"SAMPLE":            33,
-	"SORT":              34,
-	"UNION":             35,
-	"UNION_ALL":         36,
-	"UNIQUE":            37,
-	"WINDOW":            38,
+	"DISTINCT":          31,
+	"FILTER":            32,
+	"JOIN":              33,
+	"SAMPLE":            34,
+	"SORT":              35,
+	"UNION":             36,
+	"UNION_ALL":         37,
+	"UNIQUE":            38,
+	"WINDOW":            39,
 	"BROADCAST":         40,
 	"SPLIT":             41,
 	"GATHER":            42,
@@ -4896,285 +4899,286 @@ func init() {
 func init() { proto.RegisterFile("plan.proto", fileDescriptor_2d655ab2f7683c23) }
 
 var fileDescriptor_2d655ab2f7683c23 = []byte{
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+	0x61, 0x08, 0xf1, 0x2a, 0x9a, 0xe0, 0x68, 0x2a, 0xd8, 0x23, 0x35, 0xfc, 0x2e, 0xc7, 0x6c, 0x91,
+	0x24, 0xd6, 0xd1, 0x35, 0xa1, 0xda, 0xed, 0x1c, 0x1d, 0x58, 0x3d, 0xb2, 0x81, 0x9e, 0x70, 0x44,
+	0x78, 0x72, 0x65, 0x61, 0x66, 0x99, 0x5a, 0x08, 0xcf, 0x36, 0x88, 0x3d, 0xd3, 0x99, 0x65, 0x5a,
+	0x7b, 0x3d, 0x72, 0x75, 0x61, 0xd9, 0x60, 0xac, 0xcb, 0x7a, 0x84, 0x2e, 0x80, 0x9e, 0xad, 0xdb,
+	0x47, 0x3d, 0x72, 0x6d, 0xe1, 0xe5, 0x21, 0xeb, 0xb6, 0x8c, 0x5e, 0xaf, 0x63, 0xf6, 0x6c, 0x72,
+	0xbd, 0x59, 0x03, 0x70, 0x17, 0xc9, 0x44, 0x3b, 0x84, 0x8d, 0xd5, 0xb3, 0x4f, 0x35, 0x58, 0xf7,
+	0x47, 0xfd, 0x69, 0x98, 0xf4, 0xf9, 0xef, 0x0a, 0xb1, 0xfc, 0x95, 0xa1, 0xea, 0x8f, 0xac, 0x30,
+	0x31, 0x38, 0x84, 0xbd, 0xd1, 0xe2, 0x28, 0x8b, 0xc7, 0x97, 0x05, 0xad, 0xed, 0xc3, 0xfa, 0x4a,
+	0x36, 0xa0, 0x6f, 0x41, 0xc5, 0x1f, 0xad, 0x1a, 0x53, 0xfd, 0xd1, 0x0f, 0xb0, 0xb4, 0x07, 0xb5,
+	0x6c, 0x6a, 0xf8, 0xf1, 0x86, 0xfe, 0x4e, 0x81, 0x6a, 0x26, 0x55, 0xfc, 0xa0, 0x29, 0xde, 0x86,
+	0x4a, 0xe2, 0x4d, 0x66, 0x61, 0xe4, 0xc8, 0xc4, 0xaa, 0xb2, 0x25, 0xb0, 0xf2, 0xb5, 0xfc, 0xea,
+	0xd7, 0x56, 0xaf, 0x7f, 0x85, 0xef, 0xbf, 0xfe, 0x69, 0x5d, 0x80, 0x65, 0x36, 0xe2, 0x0f, 0x85,
+	0xfc, 0x94, 0x8a, 0x47, 0x18, 0x41, 0xac, 0x1a, 0xcc, 0xfd, 0x11, 0x83, 0x5f, 0x41, 0x65, 0x91,
+	0xaa, 0x7e, 0xf4, 0x8a, 0x2d, 0x1d, 0xc9, 0x67, 0x1c, 0xd1, 0xf6, 0xd2, 0x65, 0x14, 0xc9, 0xe5,
+	0x87, 0x2c, 0xe3, 0x75, 0x28, 0x8a, 0x6c, 0x25, 0x5f, 0xb2, 0x39, 0xa1, 0x69, 0x72, 0xd6, 0xc2,
+	0xce, 0x42, 0x46, 0xc9, 0xca, 0xfc, 0x42, 0x4c, 0x44, 0x88, 0x7c, 0xef, 0x44, 0x2e, 0xff, 0xc6,
+	0x3d, 0x58, 0x5f, 0x49, 0x6f, 0x97, 0x2f, 0xae, 0x66, 0xc2, 0xfa, 0x4a, 0x1e, 0xa3, 0x37, 0xa0,
+	0x34, 0x0e, 0xc2, 0x81, 0xb3, 0xf8, 0x7f, 0x11, 0x41, 0xe1, 0xad, 0xe2, 0xec, 0xb9, 0x17, 0x79,
+	0x97, 0xfc, 0xa8, 0x2b, 0x18, 0xda, 0x67, 0x50, 0xcb, 0x76, 0x0f, 0xf4, 0x03, 0x28, 0xfa, 0x89,
+	0x37, 0x49, 0x5f, 0xe6, 0x6f, 0x5c, 0x6c, 0x30, 0xcc, 0xc4, 0x9b, 0x30, 0x21, 0xa4, 0xfd, 0x4e,
+	0x01, 0xf2, 0x3a, 0x8f, 0xff, 0x34, 0x7e, 0x1e, 0x27, 0xde, 0x24, 0x75, 0x46, 0x50, 0x19, 0x27,
+	0x73, 0x2b, 0x4e, 0xa6, 0x8f, 0xfa, 0xf9, 0x95, 0x47, 0x7d, 0xf9, 0x63, 0xc2, 0x25, 0xff, 0x0c,
+	0x20, 0x7e, 0x0f, 0x7c, 0x1f, 0xd4, 0xc8, 0xe3, 0xbf, 0xa2, 0xbb, 0xb2, 0x32, 0x67, 0x85, 0x16,
+	0xbc, 0xfb, 0x77, 0xa1, 0x96, 0xfd, 0x6d, 0x88, 0x37, 0xca, 0xe1, 0xd4, 0x23, 0x6b, 0x78, 0xa7,
+	0xeb, 0xfc, 0x7a, 0x9b, 0x28, 0xf7, 0x7f, 0x09, 0xf5, 0xef, 0x6a, 0x41, 0xb1, 0x3f, 0x6a, 0xed,
+	0xeb, 0xbc, 0xcd, 0xaf, 0x81, 0x6a, 0x75, 0xfb, 0x82, 0x52, 0xf0, 0xf6, 0xc4, 0x8c, 0x8e, 0xc1,
+	0xd3, 0x7d, 0xf3, 0xf3, 0x6f, 0xbe, 0xbd, 0xa3, 0xfc, 0xdb, 0xb7, 0x77, 0x94, 0xff, 0xfa, 0xf6,
+	0xce, 0xda, 0xef, 0xfe, 0xe7, 0x8e, 0xf2, 0x55, 0xf6, 0x1f, 0xd9, 0x26, 0x4e, 0x12, 0xf9, 0xaf,
+	0xc2, 0xc8, 0x1f, 0xfb, 0xd3, 0x94, 0x98, 0x7a, 0x1f, 0xcd, 0x5e, 0x8e, 0x3f, 0x9a, 0x0d, 0x3e,
+	0x42, 0xa7, 0x07, 0x25, 0xfe, 0xff, 0x6c, 0x8f, 0xff, 0x2f, 0x00, 0x00, 0xff, 0xff, 0xbe, 0x51,
+	0x30, 0x49, 0x12, 0x27, 0x00, 0x00,
 }
 
 func (m *Type) Marshal() (dAtA []byte, err error) {
diff --git a/pkg/sql/plan2/distinct_binder.go b/pkg/sql/plan2/distinct_binder.go
deleted file mode 100644
index 71574bb45..000000000
--- a/pkg/sql/plan2/distinct_binder.go
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2022 Matrix Origin
-//
-// 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 plan2
-
-import "github.com/matrixorigin/matrixone/pkg/pb/plan"
-
-func NewDistinctBinder(projectionBinder *ProjectionBinder) *DistinctBinder {
-	return &DistinctBinder{
-		ProjectionBinder: projectionBinder,
-	}
-}
-
-func (b *DistinctBinder) GetProjectionList() []*Expr {
-	var distinctProjects []*Expr
-	for idx, expr := range b.ctx.projects {
-		distinctProjects = append(distinctProjects, &plan.Expr{
-			Typ: expr.Typ,
-			Expr: &plan.Expr_Col{
-				Col: &plan.ColRef{
-					RelPos: b.ctx.projectTag,
-					ColPos: int32(idx),
-				},
-			},
-		})
-	}
-	return distinctProjects
-}
diff --git a/pkg/sql/plan2/explain/explain_expr.go b/pkg/sql/plan2/explain/explain_expr.go
index e363b216c..e7142833c 100644
--- a/pkg/sql/plan2/explain/explain_expr.go
+++ b/pkg/sql/plan2/explain/explain_expr.go
@@ -34,6 +34,11 @@ func describeExpr(expr *plan.Expr, options *ExplainOptions) (string, error) {
 		result += strconv.FormatInt(int64(exprImpl.Col.ColPos), 10)
 		result += "]"
 	case *plan.Expr_C:
+		if exprImpl.C.Isnull {
+			result += expr.Typ.Id.String() + "(null)"
+			break
+		}
+
 		switch val := exprImpl.C.Value.(type) {
 		case *plan.Const_Ival:
 			result += strconv.FormatInt(val.Ival, 10)
diff --git a/pkg/sql/plan2/explain/explain_node.go b/pkg/sql/plan2/explain/explain_node.go
index fab38ba49..69824d8d5 100644
--- a/pkg/sql/plan2/explain/explain_node.go
+++ b/pkg/sql/plan2/explain/explain_node.go
@@ -66,6 +66,8 @@ func (ndesc *NodeDescribeImpl) GetNodeBasicInfo(options *ExplainOptions) (string
 		pname = "Sink Scan"
 	case plan.Node_AGG:
 		pname = "Aggregate"
+	case plan.Node_DISTINCT:
+		pname = "Distinct"
 	case plan.Node_FILTER:
 		pname = "Filter"
 	case plan.Node_JOIN:
@@ -139,6 +141,8 @@ func (ndesc *NodeDescribeImpl) GetNodeBasicInfo(options *ExplainOptions) (string
 			fallthrough
 		case plan.Node_AGG:
 			fallthrough
+		case plan.Node_DISTINCT:
+			fallthrough
 		case plan.Node_FILTER:
 			fallthrough
 		case plan.Node_JOIN:
@@ -498,6 +502,10 @@ type RowsetDataDescribeImpl struct {
 
 func (r *RowsetDataDescribeImpl) GetDescription(options *ExplainOptions) (string, error) {
 	var result string
+	if r.RowsetData == nil {
+		return result, nil
+	}
+
 	var first bool = true
 	for index := range r.RowsetData.Cols {
 		if !first {
diff --git a/pkg/sql/plan2/function/operator/mult.go b/pkg/sql/plan2/function/operator/mult.go
index 9ca86d259..825b02ee8 100644
--- a/pkg/sql/plan2/function/operator/mult.go
+++ b/pkg/sql/plan2/function/operator/mult.go
@@ -113,7 +113,7 @@ func Mult[T constraints.Integer | constraints.Float](vectors []*vector.Vector, p
 
 //LeftType:   types.T_decimal64,
 //RightType:  types.T_decimal64,
-//ReturnType: types.T_decimal64,
+//ReturnType: types.T_decimal128,
 func MultDecimal64(vectors []*vector.Vector, proc *process.Process) (*vector.Vector, error) {
 	lv, rv := vectors[0], vectors[1]
 	lvs, rvs := vector.MustTCols[types.Decimal64](lv), vector.MustTCols[types.Decimal64](rv)
diff --git a/pkg/sql/plan2/function/operators.go b/pkg/sql/plan2/function/operators.go
index a958a89a4..f41eb3c34 100644
--- a/pkg/sql/plan2/function/operators.go
+++ b/pkg/sql/plan2/function/operators.go
@@ -2169,7 +2169,7 @@ var operators = map[int]Functions{
 				Flag:      plan.Function_STRICT,
 				Layout:    BINARY_ARITHMETIC_OPERATOR,
 				Args:      []types.T{types.T_decimal64, types.T_decimal64},
-				ReturnTyp: types.T_decimal64,
+				ReturnTyp: types.T_decimal128,
 				Fn:        operator.MultDecimal64,
 			},
 			{
@@ -2208,7 +2208,7 @@ var operators = map[int]Functions{
 				Flag:      plan.Function_STRICT,
 				Layout:    BINARY_ARITHMETIC_OPERATOR,
 				Args:      []types.T{types.T_decimal64, types.T_decimal64},
-				ReturnTyp: types.T_decimal64,
+				ReturnTyp: types.T_decimal128,
 				Fn:        operator.DivDecimal64,
 			},
 			{
@@ -2216,7 +2216,7 @@ var operators = map[int]Functions{
 				Flag:      plan.Function_STRICT,
 				Layout:    BINARY_ARITHMETIC_OPERATOR,
 				Args:      []types.T{types.T_decimal128, types.T_decimal128},
-				ReturnTyp: types.T_decimal64,
+				ReturnTyp: types.T_decimal128,
 				Fn:        operator.DivDecimal128,
 			},
 		},
diff --git a/pkg/sql/plan2/group_binder.go b/pkg/sql/plan2/group_binder.go
index 387cfc5cf..d3dc4077f 100644
--- a/pkg/sql/plan2/group_binder.go
+++ b/pkg/sql/plan2/group_binder.go
@@ -15,7 +15,6 @@
 package plan2
 
 import (
-	"github.com/matrixorigin/matrixone/pkg/errno"
 	"github.com/matrixorigin/matrixone/pkg/pb/plan"
 	"github.com/matrixorigin/matrixone/pkg/sql/errors"
 	"github.com/matrixorigin/matrixone/pkg/sql/parsers/dialect"
@@ -57,20 +56,20 @@ func (b *GroupBinder) BindColRef(astExpr *tree.UnresolvedName, depth int32, isRo
 	}
 
 	if _, ok := expr.Expr.(*plan.Expr_Corr); ok {
-		return nil, errors.New(errno.GroupingError, "correlated columns in GROUP BY clause not yet supported")
+		return nil, errors.New("", "correlated columns in GROUP BY clause not yet supported")
 	}
 
 	return expr, nil
 }
 
 func (b *GroupBinder) BindAggFunc(funcName string, astExpr *tree.FuncExpr, depth int32, isRoot bool) (*plan.Expr, error) {
-	return nil, errors.New(errno.GroupingError, "GROUP BY clause cannot contain aggregate functions!")
+	return nil, errors.New("", "GROUP BY clause cannot contain aggregate functions!")
 }
 
 func (b *GroupBinder) BindWinFunc(funcName string, astExpr *tree.FuncExpr, depth int32, isRoot bool) (*plan.Expr, error) {
-	return nil, errors.New(errno.WindowingError, "GROUP BY clause cannot contain window functions!")
+	return nil, errors.New("", "GROUP BY clause cannot contain window functions!")
 }
 
 func (b *GroupBinder) BindSubquery(astExpr *tree.Subquery, isRoot bool) (*plan.Expr, error) {
-	return nil, errors.New(errno.GroupingError, "subquery in GROUP BY clause not yet supported")
+	return nil, errors.New("", "subquery in GROUP BY clause not yet supported")
 }
diff --git a/pkg/sql/plan2/order_binder.go b/pkg/sql/plan2/order_binder.go
index dea645080..12a13a273 100644
--- a/pkg/sql/plan2/order_binder.go
+++ b/pkg/sql/plan2/order_binder.go
@@ -24,10 +24,10 @@ import (
 	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
 )
 
-func NewOrderBinder(distinctBinder *DistinctBinder, selectList tree.SelectExprs) *OrderBinder {
+func NewOrderBinder(projectionBinder *ProjectionBinder, selectList tree.SelectExprs) *OrderBinder {
 	return &OrderBinder{
-		DistinctBinder: distinctBinder,
-		selectList:     selectList,
+		ProjectionBinder: projectionBinder,
+		selectList:       selectList,
 	}
 }
 
@@ -38,7 +38,7 @@ func (b *OrderBinder) BindExpr(astExpr tree.Expr) (*plan.Expr, error) {
 				Typ: b.ctx.projects[colPos].Typ,
 				Expr: &plan.Expr_Col{
 					Col: &plan.ColRef{
-						RelPos: b.ctx.distinctTag,
+						RelPos: b.ctx.projectTag,
 						ColPos: colPos,
 					},
 				},
@@ -62,7 +62,7 @@ func (b *OrderBinder) BindExpr(astExpr tree.Expr) (*plan.Expr, error) {
 				Typ: b.ctx.projects[colPos].Typ,
 				Expr: &plan.Expr_Col{
 					Col: &plan.ColRef{
-						RelPos: b.ctx.distinctTag,
+						RelPos: b.ctx.projectTag,
 						ColPos: int32(colPos),
 					},
 				},
@@ -88,6 +88,10 @@ func (b *OrderBinder) BindExpr(astExpr tree.Expr) (*plan.Expr, error) {
 
 	exprStr := expr.String()
 	if colPos, ok = b.ctx.projectByExpr[exprStr]; !ok {
+		if b.ctx.isDistinct {
+			return nil, errors.New("", "for SELECT DISTINCT, ORDER BY expressions must appear in select list")
+		}
+
 		colPos = int32(len(b.ctx.projects))
 		b.ctx.projectByExpr[exprStr] = colPos
 		b.ctx.projects = append(b.ctx.projects, expr)
@@ -97,7 +101,7 @@ func (b *OrderBinder) BindExpr(astExpr tree.Expr) (*plan.Expr, error) {
 		Typ: b.ctx.projects[colPos].Typ,
 		Expr: &plan.Expr_Col{
 			Col: &plan.ColRef{
-				RelPos: b.ctx.distinctTag,
+				RelPos: b.ctx.projectTag,
 				ColPos: colPos,
 			},
 		},
diff --git a/pkg/sql/plan2/query_builder.go b/pkg/sql/plan2/query_builder.go
index a48bb5674..70d2b1b61 100644
--- a/pkg/sql/plan2/query_builder.go
+++ b/pkg/sql/plan2/query_builder.go
@@ -172,74 +172,49 @@ func (builder *QueryBuilder) remapAllColRefs(nodeId int32) (map[int64][2]int32,
 			return nil, err
 		}
 
-		if len(node.ProjectList) > 0 { //it's a distinct aggNnode
-			node.GroupBy = node.ProjectList
-			node.ProjectList = make([]*Expr, len(node.GroupBy))
-			distinctTag := node.BindingTags[0]
+		node.ProjectList = make([]*Expr, len(node.GroupBy)+len(node.AggList))
+		colIdx := 0
+		groupTag := node.BindingTags[0]
+		aggregateTag := node.BindingTags[1]
 
-			for idx, expr := range node.GroupBy {
-				err := builder.remapExpr(expr, childMap)
-				if err != nil {
-					return nil, err
-				}
+		for idx, expr := range node.GroupBy {
+			err := builder.remapExpr(expr, childMap)
+			if err != nil {
+				return nil, err
+			}
 
-				node.ProjectList[idx] = &plan.Expr{
-					Typ: expr.Typ,
-					Expr: &plan.Expr_Col{
-						Col: &plan.ColRef{
-							RelPos: -1,
-							ColPos: int32(idx),
-						},
+			node.ProjectList[colIdx] = &Expr{
+				Typ: expr.Typ,
+				Expr: &plan.Expr_Col{
+					Col: &ColRef{
+						RelPos: -1,
+						ColPos: int32(idx),
 					},
-				}
-
-				returnMap[getColMapKey(distinctTag, int32(idx))] = [2]int32{0, int32(idx)}
+				},
 			}
-		} else {
-			node.ProjectList = make([]*Expr, len(node.GroupBy)+len(node.AggList))
-			colIdx := 0
-			groupTag := node.BindingTags[0]
-			aggregateTag := node.BindingTags[1]
 
-			for idx, expr := range node.GroupBy {
-				err := builder.remapExpr(expr, childMap)
-				if err != nil {
-					return nil, err
-				}
-
-				node.ProjectList[colIdx] = &Expr{
-					Typ: expr.Typ,
-					Expr: &plan.Expr_Col{
-						Col: &ColRef{
-							RelPos: -1,
-							ColPos: int32(idx),
-						},
-					},
-				}
+			returnMap[getColMapKey(groupTag, int32(idx))] = [2]int32{0, int32(colIdx)}
+			colIdx++
+		}
 
-				returnMap[getColMapKey(groupTag, int32(idx))] = [2]int32{0, int32(colIdx)}
-				colIdx++
+		for idx, expr := range node.AggList {
+			err := builder.remapExpr(expr, childMap)
+			if err != nil {
+				return nil, err
 			}
 
-			for idx, expr := range node.AggList {
-				err := builder.remapExpr(expr, childMap)
-				if err != nil {
-					return nil, err
-				}
-
-				node.ProjectList[colIdx] = &Expr{
-					Typ: expr.Typ,
-					Expr: &plan.Expr_Col{
-						Col: &ColRef{
-							RelPos: -2,
-							ColPos: int32(idx),
-						},
+			node.ProjectList[colIdx] = &Expr{
+				Typ: expr.Typ,
+				Expr: &plan.Expr_Col{
+					Col: &ColRef{
+						RelPos: -2,
+						ColPos: int32(idx),
 					},
-				}
-
-				returnMap[getColMapKey(aggregateTag, int32(idx))] = [2]int32{0, int32(colIdx)}
-				colIdx++
+				},
 			}
+
+			returnMap[getColMapKey(aggregateTag, int32(idx))] = [2]int32{0, int32(colIdx)}
+			colIdx++
 		}
 
 	case plan.Node_SORT:
@@ -317,12 +292,48 @@ func (builder *QueryBuilder) remapAllColRefs(nodeId int32) (map[int64][2]int32,
 			}
 		}
 
+	case plan.Node_DISTINCT:
+		childMap, err := builder.remapAllColRefs(node.Children[0])
+		if err != nil {
+			return nil, err
+		}
+
+		// Rewrite DISTINCT to AGG
+		node.NodeType = plan.Node_AGG
+		preNode := builder.qry.Nodes[node.Children[0]]
+		node.GroupBy = make([]*Expr, len(preNode.ProjectList))
+		node.ProjectList = make([]*Expr, len(preNode.ProjectList))
+		for prjIdx, prjExpr := range preNode.ProjectList {
+			node.GroupBy[prjIdx] = &plan.Expr{
+				Typ: prjExpr.Typ,
+				Expr: &plan.Expr_Col{
+					Col: &plan.ColRef{
+						RelPos: 0,
+						ColPos: int32(prjIdx),
+					},
+				},
+			}
+
+			node.ProjectList[prjIdx] = &plan.Expr{
+				Typ: prjExpr.Typ,
+				Expr: &plan.Expr_Col{
+					Col: &plan.ColRef{
+						RelPos: -1,
+						ColPos: int32(prjIdx),
+					},
+				},
+			}
+		}
+
+		returnMap = childMap
+
 	case plan.Node_VALUE_SCAN:
 		// VALUE_SCAN always have one column now
 		node.ProjectList = append(node.ProjectList, &plan.Expr{
 			Typ:  &plan.Type{Id: plan.Type_INT64},
 			Expr: &plan.Expr_C{C: &plan.Const{Value: &plan.Const_Ival{Ival: 0}}},
 		})
+
 	default:
 		return nil, errors.New("", "unsupport node type to rebiuld query")
 	}
@@ -501,11 +512,6 @@ func (builder *QueryBuilder) buildSelect(stmt *tree.Select, ctx *BindContext, is
 	ctx.groupTag = builder.genNewTag()
 	ctx.aggregateTag = builder.genNewTag()
 	ctx.projectTag = builder.genNewTag()
-	if clause.Distinct {
-		ctx.distinctTag = builder.genNewTag()
-	} else {
-		ctx.distinctTag = ctx.projectTag
-	}
 
 	// bind GROUP BY clause
 	if clause.GroupBy != nil {
@@ -558,13 +564,12 @@ func (builder *QueryBuilder) buildSelect(stmt *tree.Select, ctx *BindContext, is
 		}
 	}
 
-	// bind distinct
-	distinctBinder := NewDistinctBinder(projectionBinder)
+	ctx.isDistinct = clause.Distinct
 
 	// bind ORDER BY clause
 	var orderBys []*plan.OrderBySpec
 	if stmt.OrderBy != nil {
-		orderBinder := NewOrderBinder(distinctBinder, selectList)
+		orderBinder := NewOrderBinder(projectionBinder, selectList)
 		orderBys = make([]*plan.OrderBySpec, 0, len(stmt.OrderBy))
 
 		for _, order := range stmt.OrderBy {
@@ -673,14 +678,11 @@ func (builder *QueryBuilder) buildSelect(stmt *tree.Select, ctx *BindContext, is
 		BindingTags: []int32{ctx.projectTag},
 	}, ctx)
 
-	// append Agg node if distinct
+	// append DISTINCT node
 	if clause.Distinct {
-		// we use projectionList for distinct's aggNode
 		nodeId = builder.appendNode(&plan.Node{
-			NodeType:    plan.Node_AGG,
-			ProjectList: distinctBinder.GetProjectionList(),
-			Children:    []int32{nodeId},
-			BindingTags: []int32{ctx.distinctTag, builder.genNewTag()},
+			NodeType: plan.Node_DISTINCT,
+			Children: []int32{nodeId},
 		}, ctx)
 	}
 
@@ -701,13 +703,13 @@ func (builder *QueryBuilder) buildSelect(stmt *tree.Select, ctx *BindContext, is
 	}
 
 	// append result PROJECT node
-	if len(ctx.projects) > resultLen {
+	if builder.qry.Nodes[nodeId].NodeType != plan.Node_PROJECT {
 		for i := 0; i < resultLen; i++ {
 			ctx.results = append(ctx.results, &plan.Expr{
 				Typ: ctx.projects[i].Typ,
 				Expr: &plan.Expr_Col{
 					Col: &plan.ColRef{
-						RelPos: ctx.distinctTag,
+						RelPos: ctx.projectTag,
 						ColPos: int32(i),
 					},
 				},
diff --git a/pkg/sql/plan2/types.go b/pkg/sql/plan2/types.go
index 0509c05a1..480f0ebd4 100644
--- a/pkg/sql/plan2/types.go
+++ b/pkg/sql/plan2/types.go
@@ -128,7 +128,6 @@ type BindContext struct {
 	groupTag     int32
 	aggregateTag int32
 	projectTag   int32
-	distinctTag  int32
 	resultTag    int32
 
 	groups     []*plan.Expr
@@ -150,6 +149,7 @@ type BindContext struct {
 	// for join tables
 	bindingTree *BindingTreeNode
 
+	isDistinct   bool
 	isCorrelated bool
 	hasSingleRow bool
 
@@ -210,12 +210,8 @@ type ProjectionBinder struct {
 }
 
 type OrderBinder struct {
-	*DistinctBinder
-	selectList tree.SelectExprs
-}
-
-type DistinctBinder struct {
 	*ProjectionBinder
+	selectList tree.SelectExprs
 }
 
 type LimitBinder struct {
diff --git a/pkg/vm/engine/tae/dataio/segmentio/bitmap_allocator.go b/pkg/vm/engine/tae/dataio/segmentio/bitmap_allocator.go
index d86e49803..6db5f5569 100644
--- a/pkg/vm/engine/tae/dataio/segmentio/bitmap_allocator.go
+++ b/pkg/vm/engine/tae/dataio/segmentio/bitmap_allocator.go
@@ -262,13 +262,21 @@ func (b *BitmapAllocator) Allocate(len uint64) (uint64, uint64) {
 					startPos = l0freePos
 					setStart = true
 				}
-				if setStart &&
-					l0freePos > 0 && allocatedPage > 0 {
-					// Fragmented pages exist during allocation,
-					// we only need contiguous pages
-					allocatedPage = 0
-					startIdx = idx
-					startPos = l0freePos
+				if setStart {
+					if (l0freePos > 0 && allocatedPage > 0) ||
+						(l0freePos == 0 && allocatedPage == 1) {
+						// (l0freePos > 0 && allocatedPage > 0)
+						// Fragmented pages exist during allocation,
+						// we only need contiguous pages
+
+						// (l0freePos == 0 && allocatedPage == 1)
+						//Represents a page that has not previously met the conditions.
+						//Even if the 0th bit of the current idx is an assignable page,
+						//"start" needs to be reset.
+						allocatedPage = 0
+						startIdx = idx
+						startPos = l0freePos
+					}
 				}
 
 				for {
diff --git a/proto/logservice.proto b/proto/logservice.proto
index a95bc843e..5d5aca461 100644
--- a/proto/logservice.proto
+++ b/proto/logservice.proto
@@ -125,7 +125,6 @@ message Request {
 
   uint64 DNShardID    = 7;
   uint64 DNID         = 8;
-  uint64 PayloadSize  = 9;
 };
 
 enum ErrorCode {
@@ -154,7 +153,6 @@ message Response {
   uint64 ShardID      = 4;
   uint64 Index        = 5;
   uint64 LastIndex    = 6;
-  uint64 PayloadSize  = 7;
 };
 
 message LogRecordResponse {
diff --git a/proto/plan.proto b/proto/plan.proto
index 61da1ff22..46782d5ee 100644
--- a/proto/plan.proto
+++ b/proto/plan.proto
@@ -26,6 +26,7 @@ message Type {
 		UINT32  = 27;
 		UINT64  = 28;
 		UINT128 = 29;
+
 		FLOAT32 = 30;
 		FLOAT64 = 31;
 		DECIMAL64	= 32;
@@ -369,14 +370,15 @@ message Node {
 
 		// Proper Relational Operators
 		AGG = 30;
-		FILTER = 31;
-		JOIN = 32;
-		SAMPLE = 33;
-		SORT = 34;
-		UNION = 35;
-		UNION_ALL = 36;
-		UNIQUE = 37;
-		WINDOW = 38;
+		DISTINCT = 31;
+		FILTER = 32;
+		JOIN = 33;
+		SAMPLE = 34;
+		SORT = 35;
+		UNION = 36;
+		UNION_ALL = 37;
+		UNIQUE = 38;
+		WINDOW = 39;
 
 		// Physical tuple mover
 		BROADCAST = 40;


Test patch:
diff --git a/pkg/fileservice/s3_fs_test.go b/pkg/fileservice/s3_fs_test.go
index 2a56d81ed..8d50ee970 100644
--- a/pkg/fileservice/s3_fs_test.go
+++ b/pkg/fileservice/s3_fs_test.go
@@ -36,12 +36,20 @@ func TestS3FS(t *testing.T) {
 	err = json.Unmarshal(content, &sharedConfig)
 	assert.Nil(t, err)
 
+	os.Setenv("AWS_REGION", sharedConfig.Region)
+	os.Setenv("AWS_ACCESS_KEY_ID", sharedConfig.APIKey)
+	os.Setenv("AWS_SECRET_ACCESS_KEY", sharedConfig.APISecret)
+
 	testFileService(t, func() FileService {
 
 		config := sharedConfig
-		config.KeyPrefix = time.Now().Format("2006-01-02T15:04:05")
+		config.KeyPrefix = time.Now().Format("2006-01-02.15:04:05.000000")
 
-		fs, err := NewS3FS(config)
+		fs, err := NewS3FS(
+			config.Endpoint,
+			config.Bucket,
+			config.KeyPrefix,
+		)
 		assert.Nil(t, err)
 
 		return fs
diff --git a/pkg/logservice/transport_test.go b/pkg/logservice/transport_test.go
deleted file mode 100644
index 653cdee2b..000000000
--- a/pkg/logservice/transport_test.go
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2021 - 2022 Matrix Origin
-//
-// 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 logservice
-
-import (
-	"bytes"
-	"context"
-	"math/rand"
-	"net"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-
-	pb "github.com/matrixorigin/matrixone/pkg/pb/logservice"
-)
-
-type testConn struct {
-	buf bytes.Buffer
-}
-
-var _ net.Conn = (*testConn)(nil)
-
-func newTestConn() *testConn {
-	return &testConn{}
-}
-
-func (t *testConn) Read(data []byte) (int, error) {
-	return t.buf.Read(data)
-}
-
-func (t *testConn) Write(data []byte) (int, error) {
-	return t.buf.Write(data)
-}
-
-func (t *testConn) Close() error {
-	return nil
-}
-
-func (t *testConn) LocalAddr() net.Addr {
-	panic("not implemented")
-}
-
-func (t *testConn) RemoteAddr() net.Addr {
-	panic("not implemented")
-}
-
-func (t *testConn) SetDeadline(tt time.Time) error {
-	return nil
-}
-
-func (t *testConn) SetReadDeadline(tt time.Time) error {
-	return nil
-}
-
-func (t *testConn) SetWriteDeadline(tt time.Time) error {
-	return nil
-}
-
-func TestSendPoisonAndAck(t *testing.T) {
-	conn := newTestConn()
-	assert.NoError(t, sendPoison(conn, poisonNumber[:]))
-	data := conn.buf.Bytes()
-	assert.Equal(t, poisonNumber[:], data)
-
-	conn = newTestConn()
-	assert.NoError(t, sendPoisonAck(conn, poisonNumber[:]))
-	data = conn.buf.Bytes()
-	assert.Equal(t, poisonNumber[:], data)
-}
-
-func TestReadSize(t *testing.T) {
-	conn := newTestConn()
-	szbuf := make([]byte, 4)
-	sz := uint32(12345)
-	binaryEnc.PutUint32(szbuf, sz)
-	_, err := conn.Write(szbuf)
-	assert.NoError(t, err)
-
-	result, err := readSize(conn, nil)
-	assert.Equal(t, int(sz), result)
-	assert.NoError(t, err)
-}
-
-func TestWriteRequest(t *testing.T) {
-	conn := newTestConn()
-	req := pb.Request{
-		Method:      pb.APPEND,
-		Name:        "test",
-		DNID:        1234567890,
-		PayloadSize: 32,
-	}
-	payload := make([]byte, 32)
-	rand.Read(payload)
-	err := writeRequest(conn, req, nil, payload)
-	assert.NoError(t, err)
-
-	result := make([]byte, req.Size()+4+len(magicNumber[:]))
-	n, err := conn.Read(result)
-	assert.NoError(t, err)
-	assert.Equal(t, req.Size()+4+len(magicNumber[:]), n)
-
-	assert.Equal(t, magicNumber[:], result[:len(magicNumber[:])])
-	sz := binaryEnc.Uint32(result[len(magicNumber[:]):])
-	assert.Equal(t, int(sz), req.Size())
-
-	data := MustMarshal(&req)
-	assert.Equal(t, data, result[len(magicNumber[:])+4:])
-}
-
-func TestReadRequest(t *testing.T) {
-	conn := newTestConn()
-	req := pb.Request{
-		Method:      pb.APPEND,
-		Name:        "test",
-		PayloadSize: 32,
-	}
-	payload := make([]byte, 32)
-	rand.Read(payload)
-	err := writeRequest(conn, req, nil, payload)
-	assert.NoError(t, err)
-
-	mn := make([]byte, len(magicNumber[:]))
-	_, err = conn.Read(mn)
-	assert.NoError(t, err)
-	assert.Equal(t, magicNumber[:], mn)
-
-	reqResult, payloadResult, err := readRequest(conn, nil, nil)
-	assert.NoError(t, err)
-	assert.Equal(t, req, reqResult)
-	assert.Equal(t, payload, payloadResult)
-}
-
-func TestWriteResponse(t *testing.T) {
-	testWriteResponse(t, recvBufSize)
-	testWriteResponse(t, recvBufSize-1)
-	testWriteResponse(t, recvBufSize+1)
-	testWriteResponse(t, recvBufSize*3)
-	testWriteResponse(t, recvBufSize*3-1)
-	testWriteResponse(t, recvBufSize*3+1)
-}
-
-func testWriteResponse(t *testing.T, sz int) {
-	conn := newTestConn()
-	resp := pb.Response{
-		Method:    pb.APPEND,
-		ShardID:   1234567890,
-		LastIndex: 234567890,
-	}
-	assert.NoError(t, writeResponse(conn, resp, nil, nil))
-
-	szbuf := make([]byte, 4)
-	_, err := conn.Read(szbuf)
-	assert.NoError(t, err)
-	assert.Equal(t, resp.Size(), int(binaryEnc.Uint32(szbuf)))
-	data := make([]byte, binaryEnc.Uint32(szbuf))
-	_, err = conn.Read(data)
-	assert.NoError(t, err)
-	var respResult pb.Response
-	assert.NoError(t, respResult.Unmarshal(data))
-	assert.Equal(t, resp, respResult)
-
-	records := pb.LogRecordResponse{
-		Records: []pb.LogRecord{
-			{Data: make([]byte, sz)},
-		},
-	}
-	rand.Read(records.Records[0].Data)
-	conn = newTestConn()
-	recs := MustMarshal(&records)
-	resp.PayloadSize = uint64(len(recs))
-	assert.NoError(t, writeResponse(conn, resp, recs, nil))
-
-	ignored := make([]byte, 4+resp.Size())
-	_, err = conn.Read(ignored)
-	assert.NoError(t, err)
-
-	data = make([]byte, resp.PayloadSize)
-	_, err = conn.Read(data)
-	assert.NoError(t, err)
-	recordsResult := pb.LogRecordResponse{}
-	assert.NoError(t, recordsResult.Unmarshal(data))
-	assert.Equal(t, records, recordsResult)
-}
-
-func TestReadResponse(t *testing.T) {
-	testReadResponse(t, recvBufSize-1)
-	testReadResponse(t, recvBufSize+1)
-	testReadResponse(t, recvBufSize*3)
-	testReadResponse(t, recvBufSize*3-1)
-	testReadResponse(t, recvBufSize*3+1)
-}
-
-func testReadResponse(t *testing.T, sz int) {
-	conn := newTestConn()
-	resp := pb.Response{
-		Method:    pb.APPEND,
-		ShardID:   1234567890,
-		LastIndex: 234567890,
-	}
-	assert.NoError(t, writeResponse(conn, resp, nil, nil))
-	respResult, recordsResult, err := readResponse(conn, nil)
-	assert.NoError(t, err)
-	assert.Equal(t, resp, respResult)
-	assert.Equal(t, pb.LogRecordResponse{}, recordsResult)
-
-	records := pb.LogRecordResponse{
-		Records: []pb.LogRecord{
-			{Data: make([]byte, sz)},
-		},
-	}
-	recs := MustMarshal(&records)
-	resp.PayloadSize = uint64(len(recs))
-	assert.NoError(t, writeResponse(conn, resp, recs, nil))
-	respResult, recordsResult, err = readResponse(conn, nil)
-	assert.NoError(t, err)
-	assert.Equal(t, resp, respResult)
-	assert.Equal(t, records, recordsResult)
-}
-
-func TestReadMagicNumber(t *testing.T) {
-	conn := newTestConn()
-	_, err := conn.Write([]byte{0, 0})
-	assert.NoError(t, err)
-	assert.Equal(t, errBadMessage, readMagicNumber(conn, nil))
-
-	conn = newTestConn()
-	_, err = conn.Write(magicNumber[:])
-	assert.NoError(t, err)
-	assert.NoError(t, readMagicNumber(conn, nil))
-
-	conn = newTestConn()
-	_, err = conn.Write(poisonNumber[:])
-	assert.NoError(t, err)
-	assert.Equal(t, errPoisonReceived, readMagicNumber(conn, nil))
-}
-
-func TestGetTimeoutFromContext(t *testing.T) {
-	_, err := getTimeoutFromContext(context.Background())
-	assert.Equal(t, ErrDeadlineNotSet, err)
-	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-	defer cancel()
-	d, err := getTimeoutFromContext(ctx)
-	assert.NoError(t, err)
-	assert.True(t, d > 55*time.Second)
-	ctx1, cancel1 := context.WithTimeout(context.Background(), time.Microsecond)
-	defer cancel1()
-	time.Sleep(time.Millisecond)
-	_, err = getTimeoutFromContext(ctx1)
-	assert.Equal(t, ErrInvalidDeadline, err)
-}
diff --git a/pkg/sql/plan2/build_test.go b/pkg/sql/plan2/build_test.go
index 22832afcd..3e5ea596d 100644
--- a/pkg/sql/plan2/build_test.go
+++ b/pkg/sql/plan2/build_test.go
@@ -426,6 +426,7 @@ func TestSingleTableSqlBuilder(t *testing.T) {
 		"select distinct(n_name), ((abs(n_regionkey))) from nation",
 		"SET @var = abs(-1), @@session.string_var = 'aaa'",
 		"SET NAMES 'utf8mb4' COLLATE 'utf8mb4_general_ci'",
+		"SELECT DISTINCT N_NAME FROM NATION ORDER BY N_NAME", //test distinct with order by
 	}
 	runTestShouldPass(mock, t, sqls, false, false)
 
@@ -443,6 +444,7 @@ func TestSingleTableSqlBuilder(t *testing.T) {
 		"SET @var = avg(2)", // can't use agg function
 
 		"SELECT DISTINCT N_NAME FROM NATION GROUP BY N_REGIONKEY", //test distinct with group by
+		"SELECT DISTINCT N_NAME FROM NATION ORDER BY N_REGIONKEY", //test distinct with order by
 		//"select 18446744073709551500",                             //over int64
 		//"select 0xffffffffffffffff",                               //over int64
 	}
diff --git a/pkg/vm/engine/tae/dataio/segmentio/driver_test.go b/pkg/vm/engine/tae/dataio/segmentio/driver_test.go
index 3a8887b59..0568e0fd3 100644
--- a/pkg/vm/engine/tae/dataio/segmentio/driver_test.go
+++ b/pkg/vm/engine/tae/dataio/segmentio/driver_test.go
@@ -145,6 +145,48 @@ func TestBitmapAllocator_Allocate2(t *testing.T) {
 	assert.Equal(t, 0, int(level0[0]))
 }
 
+func TestBitmapAllocator_Allocate3(t *testing.T) {
+	dir := testutils.InitTestEnv(ModuleName, t)
+	name := path.Join(dir, "init.driver")
+	seg := Driver{}
+	err := seg.Init(name)
+	assert.Nil(t, err)
+	seg.Mount()
+	level0 := seg.allocator.(*BitmapAllocator).level0
+	level0[0] = 0x210000000000000
+	level0[1] = ALL_UNIT_CLEAR
+	level0[2] = 0x3e00000
+	level0[3] = 0xffffff8000000000
+	level0[4] = 0x3
+	file := seg.NewBlockFile("test_1.blk")
+	file.snode.algo = compress.None
+	buffer := mockData(135168)
+	assert.NotNil(t, buffer)
+	err = file.driver.Append(file, buffer)
+	assert.Nil(t, err)
+	ret := 0xFFFFFFFE00000000 - level0[5]
+	assert.Equal(t, 0, int(ret))
+	file1 := seg.NewBlockFile("test_2.blk")
+	file1.snode.algo = compress.None
+	buffer1 := mockData(135168)
+	assert.NotNil(t, buffer1)
+	err = file.driver.Append(file1, buffer1)
+	assert.Nil(t, err)
+	assert.Equal(t, 0, int(level0[5]))
+	ret = 0xFFFFFFFFFFFFFFFC - level0[6]
+	assert.Equal(t, 0, int(ret))
+	assert.Equal(t, 3, int(level0[4]))
+	file2 := seg.NewBlockFile("test_3.blk")
+	file2.snode.algo = compress.None
+	buffer2 := mockData(135168)
+	assert.NotNil(t, buffer2)
+	err = file.driver.Append(file2, buffer2)
+	assert.Nil(t, err)
+	ret = 0xFFFFFFF800000000 - level0[6]
+	assert.Equal(t, 0, int(ret))
+
+}
+
 func TestBitmapAllocator_Free(t *testing.T) {
 	dir := testutils.InitTestEnv(ModuleName, t)
 	name := path.Join(dir, "free.driver")
diff --git a/test/cases/function/func_string_length.test b/test/cases/function/func_string_length.test
index b6c6c40dc..74a953db8 100644
--- a/test/cases/function/func_string_length.test
+++ b/test/cases/function/func_string_length.test
@@ -17,7 +17,7 @@ drop table t1;
 drop table t2;
 
 #DATE TYPE
--- @bvt:issue#3407
+-- @bvt:issue#3498
 CREATE TABLE t1 (s char(8), b CHAR(100), c VARCHAR(255), d int, e float, f datetime);
 INSERT INTO t1 VALUES ('test', "hhhhhhh", "12jknfjniosdjcoijcpowef", 1234, 0.14123123, "2012-02-08 12:03:23");
 SELECT LENGTH(s), length(b), length(c), length(d), length(e), length(f) FROM t1;
@@ -46,10 +46,8 @@ drop table t3;
 select length('\n\t\r\b\0\_\%\\');
 -- @bvt:issue
 
--- @bvt:issue#3407
 select length(12314124);
 select length(0.14123124124);
--- @bvt:issue
 
 select length('1039214-#**$&#@*#(*($*');
 select length(NULL);
@@ -73,11 +71,8 @@ select length(space(1024*1024)) as a;
 select length(space(1024*1024*1024)) as a;
 
 #WHERE, 算术运算
--- @bvt:issue#3407
 drop table if exists t1;
 create table t1(a INT,  b date);
 insert into t1 values(1, "2012-10-12"),(2, "2004-04-24"),(3, "2008-12-04"),(4, "2012-03-23");
 select * from t1 where length(b)-8>0;
 drop table t1;
-
--- @bvt:issue
\ No newline at end of file
diff --git a/test/cases/function/func_string_lpad_rpad.test b/test/cases/function/func_string_lpad_rpad.test
index 73cdf0b40..afba54e8b 100644
--- a/test/cases/function/func_string_lpad_rpad.test
+++ b/test/cases/function/func_string_lpad_rpad.test
@@ -12,11 +12,9 @@ SELECT RPAD("",(55 - LENGTH(title)),".") from t1;
 DROP TABLE t1;
 
 #EXTREME VALUE
--- @bvt:issue#3408
 select rpad('a',4,'1'),rpad('a',4,'12'),rpad('abcd',3,'12'), rpad(11, 10 , 22), rpad("ab", 10, 22);
 select lpad('a',4,'1'),lpad('a',4,'12'),lpad('abcd',3,'12'), lpad(11, 10 , 22);
 select rpad(741653838,17,'0'),lpad(741653838,17,'0');
--- @bvt:issue
 select rpad('abcd',7,'ab'),lpad('abcd',7,'ab');
 select rpad('abcd',1,'ab'),lpad('abcd',1,'ab');
 select rpad('STRING', 20, CONCAT_WS('p','a','d') );
@@ -147,19 +145,14 @@ drop table t1;
 #DATATYPE
 SELECT RPAD("123", 4, 123);
 
--- @bvt:issue#3408
 SELECT RPAD(1234, 7, 123);
--- @bvt:issue
 SELECT RPAD("123", 4, 123.242);
 SELECT RPAD("123", 3.422, 123.242);
 
--- @bvt:issue#3408
 SELECT RPAD(0.341, 3.422, 123.242);
--- @bvt:issue
--- @bvt:issue#3408
+
 SELECT LPAD("123", 4, 123);
 SELECT LPAD(1234, 7, 123);
 SELECT LPAD("123", 4, 123.242);
 SELECT LPAD("123", 3.422, 123.242);
 SELECT LPAD(0.341, 3.422, 123.242);
--- @bvt:issue
diff --git a/test/cases/function/func_string_reverse.test b/test/cases/function/func_string_reverse.test
index a3a01284f..dbf855397 100644
--- a/test/cases/function/func_string_reverse.test
+++ b/test/cases/function/func_string_reverse.test
@@ -98,16 +98,14 @@ drop table t2;
 #EXTREME VALUE
 SELECT REVERSE("@($)@($#)_@(#");
 
--- @bvt:issue#3410
+-- @bvt:issue#3500
 SELECT REVERSE(space(500)+space(600));
 -- @bvt:issue
 
 #DATA TYPES
--- @bvt:issue#3410
 SELECT REVERSE(123124);
 SELECT REVERSE(123.124);
 SELECT REVERSE(0.3414);
--- @bvt:issue
 
 SELECT REVERSE("2023-04-24");
 SELECT REVERSE("10:03:23.021412");
diff --git a/test/cases/function/func_string_space.test b/test/cases/function/func_string_space.test
index 4c27bd999..cb0f3141e 100644
--- a/test/cases/function/func_string_space.test
+++ b/test/cases/function/func_string_space.test
@@ -1,14 +1,16 @@
 #SELECT, 嵌套
--- @bvt:issue#3412
+
 drop table if exists t1;
 create table t1 (
 name varchar(10),
 level smallint unsigned);
 insert into t1 values ('string',1);
+-- @bvt:issue#3500
 select reverse("123"+space(level)+"456") from t1;
+-- @bvt:issue
 select concat_ws("abc", name,space(level)), concat_ws("abc",name, space(level)) from t1;
 drop table t1;
--- @bvt:issue
+
 
 #DATETYPE, INSERT
 create table t1 (a varchar(16383));
@@ -44,7 +46,7 @@ SELECT length(space(9223372036854775809));
 SELECT SPACE(NULL);
 
 #DATE TYPE
--- @bvt:issue#3412
+-- @bvt:issue#3500
 SELECT SPACE(12)+"123";
 SELECT SPACE(12314.14123)+"123";
 SELECT SPACE("1231")+"123";
@@ -86,6 +88,6 @@ drop table t1;
 drop table t2;
 
 #中文
--- @bvt:issue#3412
+-- @bvt:issue#3500
 SELECT space("你好")+"你好";
 -- @bvt:issue
diff --git a/test/cases/function/func_string_substring.test b/test/cases/function/func_string_substring.test
index 7e391efc1..2c23e3f40 100644
--- a/test/cases/function/func_string_substring.test
+++ b/test/cases/function/func_string_substring.test
@@ -93,15 +93,11 @@ drop table t1;
 
 
 #EXTREME VALUE, IN操作符
--- @bvt:issue#3413
 SELECT '1' IN ('1', SUBSTRING(-9223372036854775809, 1));
--- @bvt:issue
 
 #嵌套
 SELECT SUBSTRING('1', year(FROM_UNIXTIME(-1)));
--- @bvt:issue#3413
 select reverse(substring(1,1,1));
--- @bvt:issue
 
 
 #DISTINCT
@@ -131,7 +127,7 @@ select * from (select *,substring(b,1),substring(b,-1),substring(b,-2),substring
 drop table t1;
 
 #SELECT, GROUP BY
--- @bvt:issue#3413
+-- @bvt:issue#3506
 CREATE TABLE t1 (a varchar(2000), b varchar(10));
 INSERT INTO t1 select space(1300),'one';
 INSERT INTO t1 select space(1300),'two';
@@ -174,7 +170,7 @@ select * from t1 where substring(b,1,1) = 'a';
 drop table t1;
 
 #HAVING & 逻辑运算
--- @bvt:issue#3413
+-- @bvt:issue#3500
 drop table if exists t1;
 create table t1(b varchar(5));
 insert into t1 values('ab'), ('abc'), ('abcd'), ('abcde');
diff --git a/test/result/function/func_anyvalue.result b/test/result/function/func_anyvalue.result
index 45417c89a..e017ac166 100644
--- a/test/result/function/func_anyvalue.result
+++ b/test/result/function/func_anyvalue.result
@@ -7,7 +7,7 @@ aggregate function calls cannot be nested
 SELECT DISTINCT GP1.a AS g1 FROM t1 AS GP1
 WHERE GP1.a >= 0
 ORDER BY 2+ANY_VALUE(GP1.b) LIMIT 8;
-column "gp1.a" must appear in the GROUP BY clause or be used in an aggregate function
+for SELECT DISTINCT, ORDER BY expressions must appear in select list
 drop table t1;
 create table t1(
 a int,
diff --git a/test/result/function/func_math_abs.result b/test/result/function/func_math_abs.result
index 1b8e25092..cb774437e 100644
--- a/test/result/function/func_math_abs.result
+++ b/test/result/function/func_math_abs.result
@@ -32,13 +32,9 @@ DROP TABLE t;
 create table t1(a int, b int, c int);
 insert into t1 values(100,1,2),(200,1,1),(300,2,1),(400,2,2);
 select distinct b from t1 order by abs(b);
-b
-1
-2
+for SELECT DISTINCT, ORDER BY expressions must appear in select list
 select distinct b as z from t1 order by abs(z);
-z
-1
-2
+for SELECT DISTINCT, ORDER BY expressions must appear in select list
 select distinct abs(b) as z from t1 order by z;
 z
 1
diff --git a/test/result/function/func_string_length.result b/test/result/function/func_string_length.result
index d24172096..02ae8f317 100644
--- a/test/result/function/func_string_length.result
+++ b/test/result/function/func_string_length.result
@@ -14,7 +14,7 @@ CREATE TABLE t1 (s char(8), b CHAR(100), c VARCHAR(255), d int, e float, f datet
 INSERT INTO t1 VALUES ('test', "hhhhhhh", "12jknfjniosdjcoijcpowef", 1234, 0.14123123, "2012-02-08 12:03:23");
 SELECT LENGTH(s), length(b), length(c), length(d), length(e), length(f) FROM t1;
 LENGTH(s)	length(b)	length(c)	length(d)	length(e)	length(f)
-4	7	23	4	8	19
+4	7	23	4	10	19
 DROP TABLE t1;
 CREATE TABLE t1 (t1_fld1 int, b varchar(255));
 CREATE TABLE t2 (t2_fld1 int, b varchar(255));
diff --git a/test/result/function/func_string_substring.result b/test/result/function/func_string_substring.result
index ac9d49faf..3ff8ba2f6 100644
--- a/test/result/function/func_string_substring.result
+++ b/test/result/function/func_string_substring.result
@@ -149,7 +149,7 @@ column "t1.f1" must appear in the GROUP BY clause or be used in an aggregate fun
 drop table t1;
 SELECT '1' IN ('1', SUBSTRING(-9223372036854775809, 1));
 '1' IN ('1', SUBSTRING(-9223372036854775809, 1))
-1
+true
 SELECT SUBSTRING('1', year(FROM_UNIXTIME(-1)));
 SUBSTRING('1', year(FROM_UNIXTIME(-1)))
 null
diff --git a/test/result/subquery/subquery-with-exists.result b/test/result/subquery/subquery-with-exists.result
index 7f2a4c3b7..680b77592 100755
--- a/test/result/subquery/subquery-with-exists.result
+++ b/test/result/subquery/subquery-with-exists.result
@@ -520,7 +520,6 @@ INSERT INTO t1 VALUES (1, 10), (3, 30), (2, 20);
 CREATE TABLE t2(pk INT PRIMARY KEY, a INT, b INT);
 INSERT INTO t2 VALUES (2, 20, 700), (1, 10, 200), (4, 10, 100);
 SELECT * FROM t1  WHERE EXISTS (SELECT DISTINCT a FROM t2 WHERE t1.a < t2.a ORDER BY b);
-pk	a
-1	10
+for SELECT DISTINCT, ORDER BY expressions must appear in select list
 drop table if exists t1;
 drop table if exists t2;