Merge pull request #57 from unistack-org/fixes

tracing fixes

common.go

@@ -24,7 +24,7 @@ func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
 
 // namedValueToLabels convert driver arguments to interface{} slice
 func namedValueToLabels(named []driver.NamedValue) []interface{} {
-	largs := make([]interface{}, len(named)*2)
+	largs := make([]interface{}, 0, len(named)*2)
 	var name string
 	for _, param := range named {
 		if param.Name != "" {
@@ -32,8 +32,7 @@ func namedValueToLabels(named []driver.NamedValue) []interface{} {
 		} else {
 			name = fmt.Sprintf("$%d", param.Ordinal)
 		}
-
+		largs = append(largs, fmt.Sprintf("%s=%s", name, param.Value))
-		largs = append(largs, name, param.Value)
 	}
 	return largs
 }

conn.go

@@ -5,16 +5,28 @@ import (
 	"database/sql/driver"
 	"fmt"
 	"time"
+
+	"go.unistack.org/micro/v3/tracer"
 )
 
+var _ driver.Conn = &wrapperConn{}
+
 // wrapperConn defines a wrapper for driver.Conn
 type wrapperConn struct {
 	conn driver.Conn
 	opts Options
+	ctx  context.Context
 }
 
 // Prepare implements driver.Conn Prepare
 func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
+
 	labels := []string{labelMethod, "Prepare", labelQuery, labelUnknown}
 	ts := time.Now()
 	stmt, err := w.conn.Prepare(query)
@@ -26,7 +38,7 @@ func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Prepare", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Prepare", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -35,14 +47,21 @@ func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Prepare", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 
-	return &wrapperStmt{stmt: stmt, opts: w.opts}, nil
+	return &wrapperStmt{stmt: stmt, opts: w.opts, ctx: ctx}, nil
 }
 
 // Close implements driver.Conn Close
 func (w *wrapperConn) Close() error {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
+
 	labels := []string{labelMethod, "Close"}
 	ts := time.Now()
 	err := w.conn.Close()
@@ -57,7 +76,7 @@ func (w *wrapperConn) Close() error {
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Close", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 
 	return err
@@ -65,6 +84,13 @@ func (w *wrapperConn) Close() error {
 
 // Begin implements driver.Conn Begin
 func (w *wrapperConn) Begin() (driver.Tx, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
+
 	labels := []string{labelMethod, "Begin"}
 	ts := time.Now()
 	// nolint:staticcheck
@@ -76,7 +102,7 @@ func (w *wrapperConn) Begin() (driver.Tx, error) {
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Begin", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Begin", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -84,14 +110,14 @@ func (w *wrapperConn) Begin() (driver.Tx, error) {
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Begin", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Begin", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
-	return &wrapperTx{tx: tx, opts: w.opts}, nil
+	return &wrapperTx{tx: tx, opts: w.opts, ctx: ctx}, nil
 }
 
 // BeginTx implements driver.ConnBeginTx BeginTx
 func (w *wrapperConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "BeginTx")
+	nctx, span := w.opts.Tracer.Start(ctx, "Transaction")
 	span.AddLabels("method", "BeginTx")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -112,15 +138,16 @@ func (w *wrapperConn) BeginTx(ctx context.Context, opts driver.TxOptions) (drive
 			span.AddLabels("error", true)
 			span.AddLabels("err", err.Error())
 			if w.opts.LoggerEnabled {
-				w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "BeginTx", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+				w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "BeginTx", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 			}
 			return nil, err
 		}
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "BeginTx", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "BeginTx", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
-		return &wrapperTx{tx: tx, opts: w.opts, span: span}, nil
+		w.ctx = nctx
+		return &wrapperTx{ctx: ctx, tx: tx, opts: w.opts, span: span, conn: w}, nil
 	}
 	ts := time.Now()
 	// nolint:staticcheck
@@ -138,14 +165,21 @@ func (w *wrapperConn) BeginTx(ctx context.Context, opts driver.TxOptions) (drive
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "BeginTx", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "BeginTx", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
-	return tx, nil
+	w.ctx = nctx
+	return &wrapperTx{ctx: ctx, tx: tx, opts: w.opts, span: span, conn: w}, nil
 }
 
 // PrepareContext implements driver.ConnPrepareContext PrepareContext
 func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "PrepareContext")
+	var nctx context.Context
+	var span tracer.Span
+	if w.ctx != nil {
+		nctx, span = w.opts.Tracer.Start(w.ctx, "PrepareContext")
+	} else {
+		nctx, span = w.opts.Tracer.Start(ctx, "PrepareContext")
+	}
 	span.AddLabels("method", "PrepareContext")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -166,7 +200,7 @@ func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.
 			span.AddLabels("error", true)
 			span.AddLabels("err", err.Error())
 			if w.opts.LoggerEnabled {
-				w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "PrepareContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+				w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "PrepareContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 			}
 			return nil, err
 		}
@@ -174,9 +208,9 @@ func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "PrepareContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "PrepareContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
-		return &wrapperStmt{stmt: stmt, opts: w.opts}, nil
+		return &wrapperStmt{stmt: stmt, opts: w.opts, ctx: nctx}, nil
 	}
 	ts := time.Now()
 	stmt, err := w.conn.Prepare(query)
@@ -193,13 +227,19 @@ func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "PrepareContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "PrepareContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return stmt, nil
 }
 
 // Exec implements driver.Execer Exec
 func (w *wrapperConn) Exec(query string, args []driver.Value) (driver.Result, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
 	// nolint:staticcheck
 	labels := []string{labelMethod, "Exec", labelQuery, labelUnknown}
 	if execer, ok := w.conn.(driver.Execer); ok {
@@ -215,19 +255,25 @@ func (w *wrapperConn) Exec(query string, args []driver.Value) (driver.Result, er
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Exec", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Exec", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return res, err
 	}
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Exec", labelUnknown, 0, ErrUnsupported)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Exec", labelUnknown, 0, ErrUnsupported)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return nil, ErrUnsupported
 }
 
 // Exec implements driver.StmtExecContext ExecContext
 func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "ExecContext")
+	var nctx context.Context
+	var span tracer.Span
+	if w.ctx != nil {
+		nctx, span = w.opts.Tracer.Start(w.ctx, "ExecContext")
+	} else {
+		nctx, span = w.opts.Tracer.Start(ctx, "ExecContext")
+	}
 	span.AddLabels("method", "ExecContext")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -256,7 +302,7 @@ func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driv
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return res, err
 	}
@@ -265,7 +311,7 @@ func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driv
 		span.AddLabels("error", true)
 		span.AddLabels("err", err.Error())
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", labelUnknown, 0, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", labelUnknown, 0, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -284,7 +330,7 @@ func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driv
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return res, err
 }
@@ -292,7 +338,13 @@ func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driv
 // Ping implements driver.Pinger Ping
 func (w *wrapperConn) Ping(ctx context.Context) error {
 	if conn, ok := w.conn.(driver.Pinger); ok {
-		nctx, span := w.opts.Tracer.Start(ctx, "Ping")
+		var nctx context.Context
+		var span tracer.Span
+		if w.ctx != nil {
+			nctx, span = w.opts.Tracer.Start(w.ctx, "Ping")
+		} else {
+			nctx, span = w.opts.Tracer.Start(ctx, "Ping")
+		}
 		defer span.Finish()
 		labels := []string{labelMethod, "Ping"}
 		ts := time.Now()
@@ -304,7 +356,7 @@ func (w *wrapperConn) Ping(ctx context.Context) error {
 			span.AddLabels("error", true)
 			span.AddLabels("err", err.Error())
 			if w.opts.LoggerEnabled {
-				w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Ping", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+				w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Ping", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 			}
 			return err
 		} else {
@@ -314,13 +366,19 @@ func (w *wrapperConn) Ping(ctx context.Context) error {
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	}
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Ping", labelUnknown, 0, ErrUnsupported)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Ping", labelUnknown, 0, ErrUnsupported)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return ErrUnsupported
 }
 
 // Query implements driver.Queryer Query
 func (w *wrapperConn) Query(query string, args []driver.Value) (driver.Rows, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
 	// nolint:staticcheck
 	if conn, ok := w.conn.(driver.Queryer); ok {
 		labels := []string{labelMethod, "Query", labelQuery, labelUnknown}
@@ -336,19 +394,25 @@ func (w *wrapperConn) Query(query string, args []driver.Value) (driver.Rows, err
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Query", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Query", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return rows, err
 	}
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Query", labelUnknown, 0, ErrUnsupported)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Query", labelUnknown, 0, ErrUnsupported)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return nil, ErrUnsupported
 }
 
 // QueryContext implements Driver.QueryerContext QueryContext
 func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "QueryContext")
+	var nctx context.Context
+	var span tracer.Span
+	if w.ctx != nil {
+		nctx, span = w.opts.Tracer.Start(w.ctx, "QueryContext")
+	} else {
+		nctx, span = w.opts.Tracer.Start(ctx, "QueryContext")
+	}
 	span.AddLabels("method", "QueryContext")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -376,7 +440,7 @@ func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []dri
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return rows, err
 	}
@@ -385,7 +449,7 @@ func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []dri
 		span.AddLabels("error", true)
 		span.AddLabels("err", err.Error())
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, 0, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, 0, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -404,7 +468,7 @@ func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []dri
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return rows, err
 }

driver.go

@@ -10,11 +10,12 @@ import (
 type wrapperDriver struct {
 	driver driver.Driver
 	opts   Options
+	ctx    context.Context
 }
 
 // NewWrapper creates and returns a new SQL driver with passed capabilities
 func NewWrapper(d driver.Driver, opts ...Option) driver.Driver {
-	return &wrapperDriver{driver: d, opts: NewOptions(opts...)}
+	return &wrapperDriver{driver: d, opts: NewOptions(opts...), ctx: context.Background()}
 }
 
 // Open implements driver.Driver Open
@@ -24,12 +25,12 @@ func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
 	td := time.Since(ts)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Open", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Open", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
 	}
 
 	if err != nil {
 		return nil, err
 	}
 
-	return &wrapperConn{conn: c, opts: w.opts}, nil
+	return &wrapperConn{conn: c, opts: w.opts, ctx: w.ctx}, nil
 }

stmt.go

@@ -5,16 +5,27 @@ import (
 	"database/sql/driver"
 	"fmt"
 	"time"
+
+	"go.unistack.org/micro/v3/tracer"
 )
 
+var _ driver.Stmt = &wrapperStmt{}
+
 // wrapperStmt defines a wrapper for driver.Stmt
 type wrapperStmt struct {
 	stmt driver.Stmt
 	opts Options
+	ctx  context.Context
 }
 
 // Close implements driver.Stmt Close
 func (w *wrapperStmt) Close() error {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
 	labels := []string{labelMethod, "Close"}
 	ts := time.Now()
 	err := w.stmt.Close()
@@ -29,7 +40,7 @@ func (w *wrapperStmt) Close() error {
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Close", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Close", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return err
 }
@@ -41,6 +52,12 @@ func (w *wrapperStmt) NumInput() int {
 
 // Exec implements driver.Stmt Exec
 func (w *wrapperStmt) Exec(args []driver.Value) (driver.Result, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
 	labels := []string{labelMethod, "Exec"}
 	ts := time.Now()
 	// nolint:staticcheck
@@ -56,13 +73,19 @@ func (w *wrapperStmt) Exec(args []driver.Value) (driver.Result, error) {
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Exec", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Exec", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return res, err
 }
 
 // Query implements driver.Stmt Query
 func (w *wrapperStmt) Query(args []driver.Value) (driver.Rows, error) {
+	var ctx context.Context
+	if w.ctx != nil {
+		ctx = w.ctx
+	} else {
+		ctx = context.Background()
+	}
 	labels := []string{labelMethod, "Query"}
 	ts := time.Now()
 	// nolint:staticcheck
@@ -78,14 +101,20 @@ func (w *wrapperStmt) Query(args []driver.Value) (driver.Rows, error) {
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Query", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Query", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return rows, err
 }
 
 // ExecContext implements driver.ExecerContext ExecContext
 func (w *wrapperStmt) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "ExecContext")
+	var nctx context.Context
+	var span tracer.Span
+	if w.ctx != nil {
+		nctx, span = w.opts.Tracer.Start(w.ctx, "ExecContext")
+	} else {
+		nctx, span = w.opts.Tracer.Start(ctx, "ExecContext")
+	}
 	span.AddLabels("method", "ExecContext")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -114,7 +143,7 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, query string, args []driv
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return res, err
 	}
@@ -125,7 +154,7 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, query string, args []driv
 		span.AddLabels("err", err.Error())
 
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", name, 0, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, 0, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -146,14 +175,20 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, query string, args []driv
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "ExecContext", name, td, err)).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)).Log(ctx, w.opts.LoggerLevel)
 	}
 	return res, err
 }
 
 // QueryContext implements Driver.QueryerContext QueryContext
 func (w *wrapperStmt) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
-	nctx, span := w.opts.Tracer.Start(ctx, "QueryContext")
+	var nctx context.Context
+	var span tracer.Span
+	if w.ctx != nil {
+		nctx, span = w.opts.Tracer.Start(w.ctx, "QueryContext")
+	} else {
+		nctx, span = w.opts.Tracer.Start(ctx, "QueryContext")
+	}
 	span.AddLabels("method", "QueryContext")
 	name := getQueryName(ctx)
 	if name != "" {
@@ -183,7 +218,7 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, query string, args []dri
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, td, err)).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)).Log(ctx, w.opts.LoggerLevel)
 		}
 		return rows, err
 	}
@@ -195,7 +230,7 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, query string, args []dri
 		span.AddLabels("err", err.Error())
 
 		if w.opts.LoggerEnabled {
-			w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, 0, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, 0, err)...).Log(ctx, w.opts.LoggerLevel)
 		}
 		return nil, err
 	}
@@ -216,7 +251,7 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, query string, args []dri
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
 	if w.opts.LoggerEnabled {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "QueryContext", name, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
 	return rows, err
 }

tx.go

@@ -8,11 +8,15 @@ import (
 	"go.unistack.org/micro/v3/tracer"
 )
 
+var _ driver.Tx = &wrapperTx{}
+
 // wrapperTx defines a wrapper for driver.Tx
 type wrapperTx struct {
 	tx   driver.Tx
 	span tracer.Span
 	opts Options
+	conn *wrapperConn
+	ctx  context.Context
 }
 
 // Commit implements driver.Tx Commit
@@ -24,10 +28,17 @@ func (w *wrapperTx) Commit() error {
 	err := w.tx.Commit()
 	td := time.Since(ts)
 
-	if w.opts.LoggerEnabled {
+	if err != nil {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Commit", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.span.AddLabels("error", true)
+		w.span.AddLabels("err", err.Error())
 	}
 
+	if w.opts.LoggerEnabled {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Commit", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
+	}
+
+	w.ctx = nil
+
 	return err
 }
 
@@ -40,9 +51,16 @@ func (w *wrapperTx) Rollback() error {
 	err := w.tx.Rollback()
 	td := time.Since(ts)
 
-	if w.opts.LoggerEnabled {
+	if err != nil {
-		w.opts.Logger.Fields(w.opts.LoggerObserver(context.TODO(), "Rollback", labelUnknown, td, err)...).Log(context.TODO(), w.opts.LoggerLevel)
+		w.span.AddLabels("error", true)
+		w.span.AddLabels("err", err.Error())
 	}
 
+	if w.opts.LoggerEnabled {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Rollback", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
+	}
+
+	w.ctx = nil
+
 	return err
 }