txn: set session id of committer once txn is activated

DEPS.bzl

@@ -7080,13 +7080,13 @@ def go_deps():
         name = "com_github_tikv_client_go_v2",
         build_file_proto_mode = "disable_global",
         importpath = "github.com/tikv/client-go/v2",
-        sha256 = "b6bc257c94e1029fd3b2efb125a4c674a315ed6b19f54f6308ba1674df561f3a",
-        strip_prefix = "github.com/tikv/client-go/v2@v2.0.8-0.20240403052240-5a4905d2f553",
+        sha256 = "c1de006faa131696f05eca8490a1455999db0802271bf058ee3fbdb436a2b67d",
+        strip_prefix = "github.com/tikv/client-go/v2@v2.0.8-0.20240408080359-7c70c5401687",
         urls = [
-            "http://bazel-cache.pingcap.net:8080/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240403052240-5a4905d2f553.zip",
-            "http://ats.apps.svc/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240403052240-5a4905d2f553.zip",
-            "https://cache.hawkingrei.com/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240403052240-5a4905d2f553.zip",
-            "https://storage.googleapis.com/pingcapmirror/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240403052240-5a4905d2f553.zip",
+            "http://bazel-cache.pingcap.net:8080/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240408080359-7c70c5401687.zip",
+            "http://ats.apps.svc/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240408080359-7c70c5401687.zip",
+            "https://cache.hawkingrei.com/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240408080359-7c70c5401687.zip",
+            "https://storage.googleapis.com/pingcapmirror/gomod/github.com/tikv/client-go/v2/com_github_tikv_client_go_v2-v2.0.8-0.20240408080359-7c70c5401687.zip",
         ],
     )
     go_repository(

go.mod

@@ -107,7 +107,7 @@ require (
 	github.com/tdakkota/asciicheck v0.2.0
 	github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2
 	github.com/tidwall/btree v1.7.0
-	github.com/tikv/client-go/v2 v2.0.8-0.20240403052240-5a4905d2f553
+	github.com/tikv/client-go/v2 v2.0.8-0.20240408080359-7c70c5401687
 	github.com/tikv/pd/client v0.0.0-20240322051414-fb9e2d561b6e
 	github.com/timakin/bodyclose v0.0.0-20240125160201-f835fa56326a
 	github.com/twmb/murmur3 v1.1.6

go.sum

@@ -869,8 +869,8 @@ github.com/tiancaiamao/gp v0.0.0-20221230034425-4025bc8a4d4a h1:J/YdBZ46WKpXsxsW
 github.com/tiancaiamao/gp v0.0.0-20221230034425-4025bc8a4d4a/go.mod h1:h4xBhSNtOeEosLJ4P7JyKXX7Cabg7AVkWCK5gV2vOrM=
 github.com/tidwall/btree v1.7.0 h1:L1fkJH/AuEh5zBnnBbmTwQ5Lt+bRJ5A8EWecslvo9iI=
 github.com/tidwall/btree v1.7.0/go.mod h1:twD9XRA5jj9VUQGELzDO4HPQTNJsoWWfYEL+EUQ2cKY=
-github.com/tikv/client-go/v2 v2.0.8-0.20240403052240-5a4905d2f553 h1:An/o2WMQBfjeW7GsWbkYhkr8OzUcrvCPEq2dYRYv+Os=
-github.com/tikv/client-go/v2 v2.0.8-0.20240403052240-5a4905d2f553/go.mod h1:+vXk4Aex17GnI8gfSMPxrL0SQLbBYgP3Db4FvHiImwM=
+github.com/tikv/client-go/v2 v2.0.8-0.20240408080359-7c70c5401687 h1:Tru0REq+ym9CeowIgPZHKQBpYNlO+Np8naSpIAVv32E=
+github.com/tikv/client-go/v2 v2.0.8-0.20240408080359-7c70c5401687/go.mod h1:+vXk4Aex17GnI8gfSMPxrL0SQLbBYgP3Db4FvHiImwM=
 github.com/tikv/pd/client v0.0.0-20240322051414-fb9e2d561b6e h1:u2OoEvmh3qyjIiAKXUPRiFCOSwznByMINDx2fsorjAo=
 github.com/tikv/pd/client v0.0.0-20240322051414-fb9e2d561b6e/go.mod h1:Z/QAgOt29zvwBTd0H6pdx45VO6KRNc/O/DzGkVmSyZg=
 github.com/timakin/bodyclose v0.0.0-20240125160201-f835fa56326a h1:A6uKudFIfAEpoPdaal3aSqGxBzLyU8TqyXImLwo6dIo=

pkg/kv/option.go

@@ -112,6 +112,8 @@ const (
 	TiKVClientReadTimeout
 	// SizeLimits sets the size limits of membuf
 	SizeLimits
+	// SessionID marks the connection id, for logging and tracing.
+	SessionID
 )
 
 // TxnSizeLimits is the argument type for `SizeLimits` option

pkg/sessiontxn/isolation/base.go

@@ -312,6 +312,7 @@ func (p *baseTxnContextProvider) ActivateTxn() (kv.Transaction, error) {
 	if p.onTxnActiveFunc != nil {
 		p.onTxnActiveFunc(txn, p.enterNewTxnType)
 	}
+
 	p.txn = txn
 	return txn, nil
 }
@@ -454,7 +455,10 @@ func (p *baseTxnContextProvider) SetOptionsOnTxnActive(txn kv.Transaction) {
 		txn.SetOption(kv.ReplicaRead, readReplicaType)
 	}
 
-	if interceptor := temptable.SessionSnapshotInterceptor(p.sctx, p.infoSchema); interceptor != nil {
+	if interceptor := temptable.SessionSnapshotInterceptor(
+		p.sctx,
+		p.infoSchema,
+	); interceptor != nil {
 		txn.SetOption(kv.SnapInterceptor, interceptor)
 	}
 
@@ -499,15 +503,21 @@ func (p *baseTxnContextProvider) SetOptionsOnTxnActive(txn kv.Transaction) {
 		// of any previously committed transactions.
 		// Additionally, it's required to guarantee linearizability for snapshot read-only transactions though
 		// it does take effects on read-only transactions now.
-		txn.SetOption(kv.GuaranteeLinearizability,
+		txn.SetOption(
+			kv.GuaranteeLinearizability,
 			!sessVars.IsAutocommit() ||
 				sessVars.SnapshotTS > 0 ||
 				p.enterNewTxnType == sessiontxn.EnterNewTxnDefault ||
-				p.enterNewTxnType == sessiontxn.EnterNewTxnWithBeginStmt)
+				p.enterNewTxnType == sessiontxn.EnterNewTxnWithBeginStmt,
+		)
 	}
+
+	txn.SetOption(kv.SessionID, p.sctx.GetSessionVars().ConnectionID)
 }
 
-func (p *baseTxnContextProvider) SetOptionsBeforeCommit(txn kv.Transaction, commitTSChecker func(uint64) bool) error {
+func (p *baseTxnContextProvider) SetOptionsBeforeCommit(
+	txn kv.Transaction, commitTSChecker func(uint64) bool,
+) error {
 	sessVars := p.sctx.GetSessionVars()
 	// Pipelined dml txn already flushed mutations into stores, so we don't need to set options for them.
 	// Instead, some invariants must be checked to avoid anomalies though are unreachable in designed usages.
@@ -554,7 +564,15 @@ func (p *baseTxnContextProvider) SetOptionsBeforeCommit(txn kv.Transaction, comm
 	// TODO: refactor SetOption usage to avoid race risk, should detect it in test.
 	// The pipelined txn will may be flushed in background, not touch the options to avoid races.
 	// to avoid session set overlap the txn set.
-	txn.SetOption(kv.SchemaChecker, domain.NewSchemaChecker(domain.GetDomain(p.sctx), p.GetTxnInfoSchema().SchemaMetaVersion(), physicalTableIDs, needCheckSchema))
+	txn.SetOption(
+		kv.SchemaChecker,
+		domain.NewSchemaChecker(
+			domain.GetDomain(p.sctx),
+			p.GetTxnInfoSchema().SchemaMetaVersion(),
+			physicalTableIDs,
+			needCheckSchema,
+		),
+	)
 
 	if sessVars.StmtCtx.KvExecCounter != nil {
 		// Bind an interceptor for client-go to count the number of SQL executions of each TiKV.
@@ -711,7 +729,9 @@ func (p *basePessimisticTxnContextProvider) cancelFairLockingIfNeeded(ctx contex
 
 type temporaryTableKVFilter map[int64]tableutil.TempTable
 
-func (m temporaryTableKVFilter) IsUnnecessaryKeyValue(key, value []byte, flags tikvstore.KeyFlags) (bool, error) {
+func (m temporaryTableKVFilter) IsUnnecessaryKeyValue(
+	key, value []byte, flags tikvstore.KeyFlags,
+) (bool, error) {
 	tid := tablecodec.DecodeTableID(key)
 	if _, ok := m[tid]; ok {
 		return true, nil

pkg/store/driver/txn/txn_driver.go

@@ -300,6 +300,8 @@ func (txn *tikvTxn) SetOption(opt int, val any) {
 	case kv.SizeLimits:
 		limits := val.(kv.TxnSizeLimits)
 		txn.KVTxn.GetUnionStore().SetEntrySizeLimit(limits.Entry, limits.Total)
+	case kv.SessionID:
+		txn.KVTxn.SetSessionID(val.(uint64))
 	}
 }