Merge pull request 'use generated interface' (#76) from generator into master

Reviewed-on: #76

.gitea/ISSUE_TEMPLATE/question.md

@@ -1,8 +0,0 @@
----
-name: Question
-about: Ask a question about micro
-title: ''
-labels: ''
-assignees: ''
-
----

.gitea/autoapprove.yml

@@ -1,28 +0,0 @@
-name: "autoapprove"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  autoapprove:
-    runs-on: ubuntu-latest
-    steps:
-      - name: approve
-        run: [ "curl -o tea https://dl.gitea.com/tea/main/tea-main-linux-amd64",
-               "chmod +x ./tea",
-               "./tea login add --name unistack --token ${{ secrets.GITHUB_TOKEN }} --url https://git.unistack.org",
-               "./tea pr --repo ${{ github.event.repository.name }}"
-        ]
-        if: github.actor == 'vtolstov'
-        id: approve
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}

.gitea/workflows/job_lint.yml

@@ -1,29 +0,0 @@
-name: lint
-
-on:
-  pull_request:
-    types: [opened, reopened, synchronize]
-    branches:
-    - master
-    - v3
-    - v4
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-    - name: checkout code
-      uses: actions/checkout@v4
-      with:
-        filter: 'blob:none'
-    - name: setup go
-      uses: actions/setup-go@v5
-      with:
-        cache-dependency-path: "**/*.sum"
-        go-version: 'stable' 
-    - name: setup deps
-      run: go get -v ./...
-    - name: run lint
-      uses: https://github.com/golangci/golangci-lint-action@v6
-      with:
-        version: 'latest'

.gitea/workflows/job_test.yml

@@ -1,34 +0,0 @@
-name: test
-
-on:
-  pull_request:
-    types: [opened, reopened, synchronize]
-    branches:
-    - master
-    - v3
-    - v4
-  push:
-    branches:
-    - master
-    - v3
-    - v4
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-    - name: checkout code
-      uses: actions/checkout@v4
-      with:
-        filter: 'blob:none'
-    - name: setup go
-      uses: actions/setup-go@v5
-      with:
-        cache-dependency-path: "**/*.sum"
-        go-version: 'stable'
-    - name: setup deps
-      run: go get -v ./...
-    - name: run test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...

.gitea/workflows/job_tests.yml

@@ -1,53 +0,0 @@
-name: test
-
-on:
-  pull_request:
-    types: [opened, reopened, synchronize]
-    branches:
-    - master
-    - v3
-    - v4
-  push:
-    branches:
-    - master
-    - v3
-    - v4
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-    - name: checkout code
-      uses: actions/checkout@v4
-      with:
-        filter: 'blob:none'
-    - name: checkout tests
-      uses: actions/checkout@v4
-      with:
-        ref: master
-        filter: 'blob:none'
-        repository: unistack-org/micro-tests
-        path: micro-tests
-    - name: setup go
-      uses: actions/setup-go@v5
-      with:
-        cache-dependency-path: "**/*.sum"
-        go-version: 'stable'
-    - name: setup go work
-      env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
-      run: |
-        go work init
-        go work use .
-        go work use micro-tests
-    - name: setup deps
-      env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
-      run: go get -v ./...
-    - name: run tests
-      env:
-        INTEGRATION_TESTS: yes
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
-      run: |
-        cd micro-tests
-        go test -mod readonly -v ./... || true

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: For reporting bugs in micro
+about: For reporting bugs in go-micro
 title: "[BUG]"
 labels: ''
 assignees: ''
@@ -16,3 +16,9 @@ assignees: ''
 **How to reproduce the bug:**
 
 If possible, please include a minimal code snippet here.
+
+**Environment:**
+Go Version: please paste `go version` output here
+```
+please paste `go env` output here
+```

.github/ISSUE_TEMPLATE/feature-request---enhancement.md

@@ -1,6 +1,6 @@
 ---
 name: Feature request / Enhancement
-about: If you have a need not served by micro
+about: If you have a need not served by go-micro
 title: "[FEATURE]"
 labels: ''
 assignees: ''
@@ -14,4 +14,4 @@ A clear and concise description of what the problem is. Ex. I'm always frustrate
 A clear and concise description of what you want to happen.
 
 **Additional context**
-Add any other context or screenshots about the feature request here.
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,14 @@
+---
+name: Question
+about: Ask a question about go-micro
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Before asking, please check if your question has already been answered: 
+
+1. Check the documentation - https://micro.mu/docs/
+2. Check the examples and plugins - https://github.com/micro/examples & https://github.com/micro/go-plugins
+3. Search existing issues

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v3
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: build
+on:
+ push:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: lint
+        uses: golangci/golangci-lint-action@v3.4.0
+        continue-on-error: true
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.6
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -0,0 +1,47 @@
+name: prbuild
+on:
+  pull_request:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: lint
+        uses: golangci/golangci-lint-action@v3.4.0
+        continue-on-error: true
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

README.md

@@ -54,6 +54,8 @@ func Connect(cfg *PostgresConfig) (*sqlx.DB, error) {
 	sql.Register("micro-wrapper-sql", wrapper.NewWrapper(&sqlite.Driver{},
 		wrapper.DatabaseHost("localhost"),
 		wrapper.DatabaseName("mydb"),
+		wrapper.LoggerLevel(logger.DebugLevel),
+		wrapper.LoggerEnabled(true),
 	))
 
   wdb, err := sql.Open("micro-wrapper-sql", dsn)

common.go

@@ -4,7 +4,6 @@ import (
 	"database/sql/driver"
 	"errors"
 	"fmt"
-	"runtime"
 )
 
 //go:generate sh -c "go run gen.go > wrap_gen.go"
@@ -32,20 +31,7 @@ func namedValueToLabels(named []driver.NamedValue) []interface{} {
 		} else {
 			name = fmt.Sprintf("$%d", param.Ordinal)
 		}
-		largs = append(largs, fmt.Sprintf("%s=%v", name, param.Value))
+		largs = append(largs, fmt.Sprintf("%s=%s", name, param.Value))
 	}
 	return largs
 }
-
-// getCallerName get the name of the function A where A() -> B() -> GetFunctionCallerName()
-func getCallerName() string {
-	pc, _, _, ok := runtime.Caller(3)
-	details := runtime.FuncForPC(pc)
-	var callerName string
-	if ok && details != nil {
-		callerName = details.Name()
-	} else {
-		callerName = labelUnknown
-	}
-	return callerName
-}

conn.go

@@ -6,8 +6,7 @@ import (
 	"fmt"
 	"time"
 
-	requestid "go.unistack.org/micro-wrapper-requestid/v3"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 var (
@@ -16,7 +15,9 @@ var (
 	_ driver.ConnPrepareContext = (*wrapperConn)(nil)
 	_ driver.Pinger             = (*wrapperConn)(nil)
 	_ driver.Validator          = (*wrapperConn)(nil)
+	_ driver.Queryer            = (*wrapperConn)(nil)
 	_ driver.QueryerContext     = (*wrapperConn)(nil)
+	_ driver.Execer             = (*wrapperConn)(nil)
 	_ driver.ExecerContext      = (*wrapperConn)(nil)
 	//	_ driver.Connector
 	//	_ driver.Driver
@@ -30,7 +31,7 @@ type wrapperConn struct {
 	conn  driver.Conn
 	opts  Options
 	ctx   context.Context
-	// span  tracer.Span
+	span  tracer.Span
 }
 
 // Close implements driver.Conn Close
@@ -41,7 +42,7 @@ func (w *wrapperConn) Close() error {
 	} else {
 		ctx = context.Background()
 	}
-	_ = ctx
+
 	labels := []string{labelMethod, "Close"}
 	ts := time.Now()
 	err := w.conn.Close()
@@ -55,6 +56,10 @@ func (w *wrapperConn) Close() error {
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Close", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+
 	return err
 }
 
@@ -76,24 +81,30 @@ func (w *wrapperConn) Begin() (driver.Tx, error) {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Begin", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return nil, err
 	}
 	w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
+	if w.opts.LoggerEnabled && w.opts.Logger.V(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, 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, "Transaction")
+	span.AddLabels("method", "BeginTx")
 	name := getQueryName(ctx)
-	nctx, span := w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
-	span.AddLabels("db.method", "BeginTx")
-	span.AddLabels("db.statement", name)
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
 	labels := []string{labelMethod, "BeginTx", labelQuery, name}
 
@@ -110,12 +121,17 @@ func (w *wrapperConn) BeginTx(ctx context.Context, opts driver.TxOptions) (drive
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-		span.SetStatus(tracer.SpanStatusError, err.Error())
-
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
+		if w.opts.LoggerEnabled && w.opts.Logger.V(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.V(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, ctx: ctx, span: span}, nil
 }
 
@@ -127,8 +143,8 @@ func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
 	} else {
 		ctx = context.Background()
 	}
-	_ = ctx
-	labels := []string{labelMethod, "Prepare", labelQuery, getCallerName()}
+
+	labels := []string{labelMethod, "Prepare", labelQuery, labelUnknown}
 	ts := time.Now()
 	stmt, err := w.conn.Prepare(query)
 	td := time.Since(ts)
@@ -138,12 +154,19 @@ func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Prepare", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return nil, err
 	}
 	w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
 
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Prepare", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+
 	return wrapStmt(stmt, query, w.opts), nil
 }
 
@@ -151,18 +174,19 @@ func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
 func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
 	var nctx context.Context
 	var span tracer.Span
-
-	name := getQueryName(ctx)
 	if w.ctx != nil {
-		nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(w.ctx, "PrepareContext")
 	} else {
-		nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(ctx, "PrepareContext")
 	}
-	span.AddLabels("db.method", "PrepareContext")
-	span.AddLabels("db.statement", name)
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+	span.AddLabels("method", "PrepareContext")
+	name := getQueryName(ctx)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
+
 	labels := []string{labelMethod, "PrepareContext", labelQuery, name}
 	conn, ok := w.conn.(driver.ConnPrepareContext)
 	if !ok {
@@ -177,38 +201,79 @@ func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-		span.SetStatus(tracer.SpanStatusError, err.Error())
-
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "PrepareContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return nil, err
 	}
 	w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "PrepareContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
 
 	return wrapStmt(stmt, query, w.opts), 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()
+	}
+	labels := []string{labelMethod, "Exec", labelQuery, labelUnknown}
+
+	// nolint:staticcheck
+	conn, ok := w.conn.(driver.Execer)
+	if !ok {
+		return nil, driver.ErrSkip
+	}
+
+	ts := time.Now()
+	res, err := conn.Exec(query, args)
+	td := time.Since(ts)
+	te := td.Seconds()
+	if err != nil {
+		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
+	} else {
+		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
+	}
+	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
+	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Exec", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+	return res, err
+}
+
 // Exec implements driver.StmtExecContext ExecContext
 func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
 	var nctx context.Context
 	var span tracer.Span
 
-	name := getQueryName(ctx)
 	if w.ctx != nil {
-		nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(w.ctx, "ExecContext")
 	} else {
-		nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(ctx, "ExecContext")
 	}
-	span.AddLabels("db.method", "ExecContext")
-	span.AddLabels("db.statement", name)
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+	span.AddLabels("method", "ExecContext")
+	name := getQueryName(ctx)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
 	defer span.Finish()
 	if len(args) > 0 {
-		span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
+		span.AddLabels("args", fmt.Sprintf("%v", namedValueToLabels(args)))
 	}
 	labels := []string{labelMethod, "ExecContext", labelQuery, name}
+	fmt.Printf("EXECCONTETX args %#+v\n", args)
 
 	conn, ok := w.conn.(driver.ExecerContext)
 	if !ok {
@@ -222,13 +287,17 @@ func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driv
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		span.SetStatus(tracer.SpanStatusError, err.Error())
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	}
 	w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
 
 	return res, err
 }
@@ -246,14 +315,26 @@ func (w *wrapperConn) Ping(ctx context.Context) error {
 		return pc.Close()
 	}
 
+	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()
-	err := conn.Ping(ctx)
+	err := conn.Ping(nctx)
 	td := time.Since(ts)
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		// span.SetStatus(tracer.SpanStatusError, err.Error())
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Ping", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return err
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
@@ -264,56 +345,57 @@ func (w *wrapperConn) Ping(ctx context.Context) error {
 	return nil
 }
 
-// Ping implements driver.Pinger PingContext
-func (w *wrapperConn) PingContext(ctx context.Context) error {
-	conn, ok := w.conn.(driver.Pinger)
-
+// 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
+	conn, ok := w.conn.(driver.Queryer)
 	if !ok {
-		// fallback path to check db alive
-		pc, err := w.d.Open(w.dname)
-		if err != nil {
-			return err
-		}
-		return pc.Close()
+		return nil, driver.ErrSkip
 	}
 
-	labels := []string{labelMethod, "Ping"}
+	labels := []string{labelMethod, "Query", labelQuery, labelUnknown}
 	ts := time.Now()
-	err := conn.Ping(ctx)
+	rows, err := conn.Query(query, args)
 	td := time.Since(ts)
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		// span.SetStatus(tracer.SpanStatusError, err.Error())
-		return err
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	}
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-
-	return nil
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Query", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+	return rows, err
 }
 
 // QueryContext implements Driver.QueryerContext QueryContext
 func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
 	var nctx context.Context
 	var span tracer.Span
-
-	name := getQueryName(ctx)
 	if w.ctx != nil {
-		nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(w.ctx, "QueryContext")
 	} else {
-		nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(ctx, "QueryContext")
 	}
-	span.AddLabels("db.method", "QueryContext")
-	span.AddLabels("db.statement", name)
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+	span.AddLabels("method", "QueryContext")
+	name := getQueryName(ctx)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
 	defer span.Finish()
 	if len(args) > 0 {
-		span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
+		span.AddLabels("args", fmt.Sprintf("%v", namedValueToLabels(args)))
 	}
 	labels := []string{labelMethod, "QueryContext", labelQuery, name}
 	conn, ok := w.conn.(driver.QueryerContext)
@@ -327,12 +409,16 @@ func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []dri
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		span.SetStatus(tracer.SpanStatusError, err.Error())
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	}
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
 
 	return rows, err
 }

doc.go

@@ -1,2 +1,2 @@
-// package wrapper provides SQL driver wrapper with micro tracing and metering capabilities
+// package wrapper provides SQL driver wrapper with micro tracing, logging, metering capabilities
 package wrapper

driver.go

@@ -11,22 +11,29 @@ var (
 // _ driver.Connector     = (*wrapperDriver)(nil)
 )
 
-/*
 type conn interface {
 	driver.Pinger
+	driver.Execer
 	driver.ExecerContext
+	driver.Queryer
 	driver.QueryerContext
 	driver.Conn
 	driver.ConnPrepareContext
 	driver.ConnBeginTx
 }
-*/
 
 // wrapperDriver defines a wrapper for driver.Driver
 type wrapperDriver struct {
+	driver    driver.Driver
+	connector driver.Connector
+	opts      Options
+	ctx       context.Context
+}
+
+type wrapperConnector struct {
 	driver driver.Driver
+	name   string
 	opts   Options
-	ctx    context.Context
 }
 
 // NewWrapper creates and returns a new SQL driver with passed capabilities
@@ -34,26 +41,17 @@ func NewWrapper(d driver.Driver, opts ...Option) driver.Driver {
 	return &wrapperDriver{driver: d, opts: NewOptions(opts...), ctx: context.Background()}
 }
 
-type wrappedConnector struct {
-	connector driver.Connector
-	//	name      string
-	opts Options
-	ctx  context.Context
-}
-
-func NewWrapperConnector(c driver.Connector, opts ...Option) driver.Connector {
-	return &wrappedConnector{connector: c, opts: NewOptions(opts...), ctx: context.Background()}
-}
-
+/*
 // Connect implements driver.Driver Connect
-func (w *wrappedConnector) Connect(ctx context.Context) (driver.Conn, error) {
-	return w.connector.Connect(ctx)
+func (w *wrapperConnector) Connect(ctx context.Context) (driver.Conn, error) {
+	return w.driver.Connect(ctx)
 }
 
 // Driver implements driver.Driver Driver
-func (w *wrappedConnector) Driver() driver.Driver {
-	return w.connector.Driver()
+func (w *wrapperConnector) Driver() driver.Driver {
+	return w.driver
 }
+*/
 
 /*
 // Connect implements driver.Driver OpenConnector
@@ -78,12 +76,10 @@ func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
 	ts := time.Now()
 	c, err := w.driver.Open(name)
 	td := time.Since(ts)
-	/*
-		if w.opts.LoggerEnabled {
-			w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Open", getCallerName(), td, err)...)
-		}
-	*/
-	_ = td
+
+	if w.opts.LoggerEnabled {
+		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
 	}

gen.go

@@ -14,9 +14,11 @@ import (
 var connIfaces = []string{
 	"driver.ConnBeginTx",
 	"driver.ConnPrepareContext",
+	"driver.Execer",
 	"driver.ExecerContext",
 	"driver.NamedValueChecker",
 	"driver.Pinger",
+	"driver.Queryer",
 	"driver.QueryerContext",
 	"driver.SessionResetter",
 	"driver.Validator",
@@ -25,6 +27,7 @@ var connIfaces = []string{
 var stmtIfaces = []string{
 	"driver.StmtExecContext",
 	"driver.StmtQueryContext",
+	"driver.ColumnConverter",
 	"driver.NamedValueChecker",
 }
 
@@ -63,7 +66,7 @@ func main() {
 			continue
 		}
 		h := getHash(ifaces)
-		b.WriteString(fmt.Sprintf("\tif _, ok := dc.(wrapConn%04d_%s); ok {\n", n, h))
+		b.WriteString(fmt.Sprintf("\tif v, ok := dc.(wrapConn%04d_%s); ok {\n", n, h))
 		b.WriteString("\treturn struct {\n")
 		b.WriteString("\t\tdriver.Conn\n")
 		b.WriteString(fmt.Sprintf("\t\t\t%s", strings.Join(ifaces, "\n\t\t\t")))
@@ -71,14 +74,14 @@ func main() {
 		for idx := range ifaces {
 			if idx > 0 {
 				b.WriteString(", ")
-				b.WriteString("c")
+				b.WriteString("v")
 			} else if idx == 0 {
 				b.WriteString("c")
 			} else {
-				b.WriteString("c")
+				b.WriteString("v")
 			}
 		}
-		b.WriteString(", c}\n")
+		b.WriteString(", v}\n")
 		b.WriteString("}\n\n")
 	}
 	b.WriteString("return c\n")
@@ -109,7 +112,7 @@ func main() {
 			continue
 		}
 		h := getHash(ifaces)
-		b.WriteString(fmt.Sprintf("\tif _, ok := stmt.(wrapStmt%04d_%s); ok {\n", n, h))
+		b.WriteString(fmt.Sprintf("\tif v, ok := stmt.(wrapStmt%04d_%s); ok {\n", n, h))
 		b.WriteString("\treturn struct {\n")
 		b.WriteString("\t\tdriver.Stmt\n")
 		b.WriteString(fmt.Sprintf("\t\t\t%s", strings.Join(ifaces, "\n\t\t\t")))
@@ -117,14 +120,14 @@ func main() {
 		for idx := range ifaces {
 			if idx > 0 {
 				b.WriteString(", ")
-				b.WriteString("c")
+				b.WriteString("v")
 			} else if idx == 0 {
 				b.WriteString("c")
 			} else {
-				b.WriteString("c")
+				b.WriteString("v")
 			}
 		}
-		b.WriteString(", c}\n")
+		b.WriteString(", v}\n")
 		b.WriteString("}\n\n")
 	}
 	b.WriteString("return c\n")

go.mod

@@ -1,19 +1,5 @@
-module go.unistack.org/micro-wrapper-sql/v3
+module go.unistack.org/micro-wrapper-sql/v4
 
-go 1.22
+go 1.19
 
-toolchain go1.23.2
-
-require (
-	go.unistack.org/micro-wrapper-requestid/v3 v3.9.3
-	go.unistack.org/micro/v3 v3.11.14
-)
-
-require (
-	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
-	golang.org/x/net v0.33.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241223144023-3abc09e42ca8 // indirect
-	google.golang.org/grpc v1.69.2 // indirect
-	google.golang.org/protobuf v1.36.1 // indirect
-)
+require go.unistack.org/micro/v4 v4.0.3

go.sum

@@ -1,22 +1,2 @@
-github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
-github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-go.unistack.org/micro-wrapper-requestid/v3 v3.9.3 h1:KQS4nZhQ7S08xjMbpkXwQBhydfCC8YcHuORkoUDeAqI=
-go.unistack.org/micro-wrapper-requestid/v3 v3.9.3/go.mod h1:cqgjdSSASTnOLjvwndP9bi0b8DbuoKbDII884R5puwU=
-go.unistack.org/micro/v3 v3.11.14 h1:3e9T30Ih9cvqZTCD8inG1qsBWRk4x5ZinWuTiDFM4CE=
-go.unistack.org/micro/v3 v3.11.14/go.mod h1:k++F5Ej4LIy3XnOW/oj3P7B97wp2t9yLSlqtUzMpatM=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576 h1:8ZmaLZE4XWrtU3MyClkYqqtl6Oegr3235h7jxsDyqCY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
-google.golang.org/grpc v1.68.1 h1:oI5oTa11+ng8r8XMMN7jAOmWfPZWbYpCFaMUTACxkM0=
-google.golang.org/grpc v1.68.1/go.mod h1:+q1XYFJjShcqn0QZHvCyeR4CXPA+llXIeUIfIe00waw=
-google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
-google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+go.unistack.org/micro/v4 v4.0.3 h1:AFr21ua3IrkuxH26kNYVrs7Kpsrm+4aylE/PfjLdCWM=
+go.unistack.org/micro/v4 v4.0.3/go.mod h1:+wBa98rSf+mRXb/MuSVFPXtDrqN0k8rzPQiC8wRCwCo=

options.go

@@ -2,34 +2,50 @@ package wrapper
 
 import (
 	"context"
+	"fmt"
 	"time"
 
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/meter"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v4/tracer"
 )
 
-// DefaultMeterStatsInterval holds default stats interval
-var DefaultMeterStatsInterval = 5 * time.Second
+var (
+	// DefaultMeterStatsInterval holds default stats interval
+	DefaultMeterStatsInterval = 5 * time.Second
+	// DefaultMeterMetricPrefix holds default metric prefix
+	DefaultMeterMetricPrefix = "micro_sql_"
+	// DefaultLoggerObserver used to prepare labels for logger
+	DefaultLoggerObserver = func(ctx context.Context, method string, query string, td time.Duration, err error) []interface{} {
+		labels := []interface{}{"method", method, "took", fmt.Sprintf("%v", td)}
+		if err != nil {
+			labels = append(labels, "error", err.Error())
+		}
+		if query != labelUnknown {
+			labels = append(labels, "query", query)
+		}
+		return labels
+	}
+)
 
 var (
-	MaxOpenConnections = "micro_sql_max_open_conn"
-	OpenConnections    = "micro_sql_open_conn"
-	InuseConnections   = "micro_sql_inuse_conn"
-	IdleConnections    = "micro_sql_idle_conn"
-	WaitConnections    = "micro_sql_waited_conn"
-	BlockedSeconds     = "micro_sql_blocked_seconds"
-	MaxIdleClosed      = "micro_sql_max_idle_closed"
-	MaxIdletimeClosed  = "micro_sql_closed_max_idle"
-	MaxLifetimeClosed  = "micro_sql_closed_max_lifetime"
+	MaxOpenConnections = "max_open_connections"
+	OpenConnections    = "open_connections"
+	InuseConnections   = "inuse_connections"
+	IdleConnections    = "idle_connections"
+	WaitConnections    = "wait_connections"
+	BlockedSeconds     = "blocked_seconds"
+	MaxIdleClosed      = "max_idle_closed"
+	MaxIdletimeClosed  = "max_idletime_closed"
+	MaxLifetimeClosed  = "max_lifetime_closed"
 
-	meterRequestTotal               = "micro_sql_request_total"
-	meterRequestLatencyMicroseconds = "micro_sql_latency_microseconds"
-	meterRequestDurationSeconds     = "micro_sql_request_duration_seconds"
+	meterRequestTotal               = "request_total"
+	meterRequestLatencyMicroseconds = "request_latency_microseconds"
+	meterRequestDurationSeconds     = "request_duration_seconds"
 
 	labelUnknown  = "unknown"
-	labelQuery    = "db_statement"
-	labelMethod   = "db_method"
+	labelQuery    = "query"
+	labelMethod   = "method"
 	labelStatus   = "status"
 	labelSuccess  = "success"
 	labelFailure  = "failure"
@@ -39,10 +55,12 @@ var (
 
 // Options struct holds wrapper options
 type Options struct {
+	Logger             logger.Logger
 	Meter              meter.Meter
 	Tracer             tracer.Tracer
 	DatabaseHost       string
 	DatabaseName       string
+	MeterMetricPrefix  string
 	MeterStatsInterval time.Duration
 	LoggerLevel        logger.Level
 	LoggerEnabled      bool
@@ -55,21 +73,28 @@ type Option func(*Options)
 // NewOptions create new Options struct from provided option slice
 func NewOptions(opts ...Option) Options {
 	options := Options{
+		Logger:             logger.DefaultLogger,
 		Meter:              meter.DefaultMeter,
 		Tracer:             tracer.DefaultTracer,
 		MeterStatsInterval: DefaultMeterStatsInterval,
+		MeterMetricPrefix:  DefaultMeterMetricPrefix,
+		LoggerLevel:        logger.DebugLevel,
+		LoggerObserver:     DefaultLoggerObserver,
 	}
 	for _, o := range opts {
 		o(&options)
 	}
 
 	options.Meter = options.Meter.Clone(
+		meter.MetricPrefix(options.MeterMetricPrefix),
 		meter.Labels(
 			labelHost, options.DatabaseHost,
 			labelDatabase, options.DatabaseName,
 		),
 	)
 
+	options.Logger = options.Logger.Clone(logger.WithCallerSkipCount(1))
+
 	return options
 }
 
@@ -80,6 +105,13 @@ func MetricInterval(td time.Duration) Option {
 	}
 }
 
+// MetricPrefix specifies prefix for each metric
+func MetricPrefix(pref string) Option {
+	return func(o *Options) {
+		o.MeterMetricPrefix = pref
+	}
+}
+
 func DatabaseHost(host string) Option {
 	return func(o *Options) {
 		o.DatabaseHost = host
@@ -99,6 +131,34 @@ func Meter(m meter.Meter) Option {
 	}
 }
 
+// Logger passes logger.Logger to wrapper
+func Logger(l logger.Logger) Option {
+	return func(o *Options) {
+		o.Logger = l
+	}
+}
+
+// LoggerEnabled enable sql logging
+func LoggerEnabled(b bool) Option {
+	return func(o *Options) {
+		o.LoggerEnabled = b
+	}
+}
+
+// LoggerLevel passes logger.Level option
+func LoggerLevel(lvl logger.Level) Option {
+	return func(o *Options) {
+		o.LoggerLevel = lvl
+	}
+}
+
+// LoggerObserver passes observer to fill logger fields
+func LoggerObserver(obs func(context.Context, string, string, time.Duration, error) []interface{}) Option {
+	return func(o *Options) {
+		o.LoggerObserver = obs
+	}
+}
+
 // Tracer passes tracer.Tracer to wrapper
 func Tracer(t tracer.Tracer) Option {
 	return func(o *Options) {
@@ -117,8 +177,8 @@ func QueryName(ctx context.Context, name string) context.Context {
 }
 
 func getQueryName(ctx context.Context) string {
-	if v, ok := ctx.Value(queryNameKey{}).(string); ok && v != labelUnknown {
+	if v, ok := ctx.Value(queryNameKey{}).(string); ok {
 		return v
 	}
-	return getCallerName()
+	return ""
 }

stats.go

@@ -1,4 +1,4 @@
-package wrapper // import "go.unistack.org/micro-wrapper-sql/v3"
+package wrapper // import "go.unistack.org/micro-wrapper-sql-1/v3"
 
 import (
 	"context"

stmt.go

@@ -6,8 +6,7 @@ import (
 	"fmt"
 	"time"
 
-	requestid "go.unistack.org/micro-wrapper-requestid/v3"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 var (
@@ -33,7 +32,6 @@ func (w *wrapperStmt) Close() error {
 	} else {
 		ctx = context.Background()
 	}
-	_ = ctx
 	labels := []string{labelMethod, "Close"}
 	ts := time.Now()
 	err := w.stmt.Close()
@@ -46,11 +44,10 @@ func (w *wrapperStmt) Close() error {
 	}
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Close", getCallerName(), td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Close", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
 	return err
 }
 
@@ -76,10 +73,10 @@ func (w *wrapperStmt) Exec(args []driver.Value) (driver.Result, error) {
 	} else {
 		ctx = context.Background()
 	}
-	_ = ctx
 	labels := []string{labelMethod, "Exec"}
 	ts := time.Now()
-	res, err := w.stmt.Exec(args) // nolint:staticcheck
+	// nolint:staticcheck
+	res, err := w.stmt.Exec(args)
 	td := time.Since(ts)
 	te := td.Seconds()
 	if err != nil {
@@ -89,11 +86,11 @@ func (w *wrapperStmt) Exec(args []driver.Value) (driver.Result, error) {
 	}
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Exec", getCallerName(), td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Exec", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+
 	return res, err
 }
 
@@ -105,10 +102,10 @@ func (w *wrapperStmt) Query(args []driver.Value) (driver.Rows, error) {
 	} else {
 		ctx = context.Background()
 	}
-	_ = ctx
 	labels := []string{labelMethod, "Query"}
 	ts := time.Now()
-	rows, err := w.stmt.Query(args) // nolint:staticcheck
+	// nolint:staticcheck
+	rows, err := w.stmt.Query(args)
 	td := time.Since(ts)
 	te := td.Seconds()
 	if err != nil {
@@ -118,42 +115,33 @@ func (w *wrapperStmt) Query(args []driver.Value) (driver.Rows, error) {
 	}
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Query", getCallerName(), td, err)...)
-		}
-	*/
-	return rows, err
-}
 
-// ColumnConverter implements driver.ColumnConverter
-func (w *wrapperStmt) ColumnConverter(idx int) driver.ValueConverter {
-	s, ok := w.stmt.(driver.ColumnConverter) // nolint:staticcheck
-	if !ok {
-		return nil
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "Query", labelUnknown, td, err)...).Log(ctx, w.opts.LoggerLevel)
 	}
-	return s.ColumnConverter(idx)
+
+	return rows, err
 }
 
 // ExecContext implements driver.StmtExecContext ExecContext
 func (w *wrapperStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
 	var nctx context.Context
 	var span tracer.Span
-
-	name := getQueryName(ctx)
 	if w.ctx != nil {
-		nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(w.ctx, "ExecContext")
 	} else {
-		nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(ctx, "ExecContext")
+	}
+	span.AddLabels("method", "ExecContext")
+	name := getQueryName(ctx)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
-	span.AddLabels("db.method", "ExecContext")
-	span.AddLabels("db.statement", name)
 	defer span.Finish()
 	if len(args) > 0 {
-		span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
-	}
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+		span.AddLabels("args", fmt.Sprintf("%v", namedValueToLabels(args)))
 	}
 	labels := []string{labelMethod, "ExecContext", labelQuery, name}
 
@@ -164,29 +152,29 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, args []driver.NamedValue)
 		te := td.Seconds()
 		if err != nil {
 			w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-			span.SetStatus(tracer.SpanStatusError, err.Error())
+			span.AddLabels("error", true)
+			span.AddLabels("err", err.Error())
 		} else {
 			w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 		}
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-		/*
-			if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-				w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...)
-			}
-		*/
+
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return res, err
 	}
 
 	values, err := namedValueToValue(args)
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		span.SetStatus(tracer.SpanStatusError, err.Error())
-		/*
-			if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-				w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, 0, err)...)
-			}
-		*/
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
+
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, 0, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return nil, err
 	}
 	ts := time.Now()
@@ -195,18 +183,19 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, args []driver.NamedValue)
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		span.SetStatus(tracer.SpanStatusError, err.Error())
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	}
 
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+	}
+
 	return res, err
 }
 
@@ -214,21 +203,21 @@ func (w *wrapperStmt) ExecContext(ctx context.Context, args []driver.NamedValue)
 func (w *wrapperStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
 	var nctx context.Context
 	var span tracer.Span
-
-	name := getQueryName(ctx)
 	if w.ctx != nil {
-		nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(w.ctx, "QueryContext")
 	} else {
-		nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
+		nctx, span = w.opts.Tracer.Start(ctx, "QueryContext")
+	}
+	span.AddLabels("method", "QueryContext")
+	name := getQueryName(ctx)
+	if name != "" {
+		span.AddLabels("query", name)
+	} else {
+		name = labelUnknown
 	}
-	span.AddLabels("db.method", "QueryContext")
-	span.AddLabels("db.statement", name)
 	defer span.Finish()
 	if len(args) > 0 {
-		span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
-	}
-	if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
-		span.AddLabels("x-request-id", id)
+		span.AddLabels("args", fmt.Sprintf("%v", namedValueToLabels(args)))
 	}
 	labels := []string{labelMethod, "QueryContext", labelQuery, name}
 	if conn, ok := w.stmt.(driver.StmtQueryContext); ok {
@@ -238,18 +227,18 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, args []driver.NamedValue
 		te := td.Seconds()
 		if err != nil {
 			w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-			span.SetStatus(tracer.SpanStatusError, err.Error())
+			span.AddLabels("error", true)
+			span.AddLabels("err", err.Error())
 		} else {
 			w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 		}
 
 		w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 		w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-		/*
-			if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-				w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...)
-			}
-		*/
+
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return rows, err
 	}
 
@@ -257,12 +246,12 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, args []driver.NamedValue
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
 
-		span.SetStatus(tracer.SpanStatusError, err.Error())
-		/*
-			if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-				w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, 0, err)...)
-			}
-		*/
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
+
+		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+			w.opts.Logger.Fields(w.opts.LoggerObserver(ctx, "QueryContext", name, 0, err)...).Log(ctx, w.opts.LoggerLevel)
+		}
 		return nil, err
 	}
 	ts := time.Now()
@@ -271,17 +260,18 @@ func (w *wrapperStmt) QueryContext(ctx context.Context, args []driver.NamedValue
 	te := td.Seconds()
 	if err != nil {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
-		span.SetStatus(tracer.SpanStatusError, err.Error())
+		span.AddLabels("error", true)
+		span.AddLabels("err", err.Error())
 	} else {
 		w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
 	}
 
 	w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
 	w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(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

@@ -5,7 +5,7 @@ import (
 	"database/sql/driver"
 	"time"
 
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 var _ driver.Tx = (*wrapperTx)(nil)
@@ -23,18 +23,19 @@ func (w *wrapperTx) Commit() error {
 	ts := time.Now()
 	err := w.tx.Commit()
 	td := time.Since(ts)
-	_ = td
+
 	if w.span != nil {
 		if err != nil {
-			w.span.SetStatus(tracer.SpanStatusError, err.Error())
+			w.span.AddLabels("error", true)
+			w.span.AddLabels("err", err.Error())
 		}
 		w.span.Finish()
 	}
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Commit", getCallerName(), td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Commit", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
+	}
+
 	w.ctx = nil
 
 	return err
@@ -45,18 +46,19 @@ func (w *wrapperTx) Rollback() error {
 	ts := time.Now()
 	err := w.tx.Rollback()
 	td := time.Since(ts)
-	_ = td
+
 	if w.span != nil {
 		if err != nil {
-			w.span.SetStatus(tracer.SpanStatusError, err.Error())
+			w.span.AddLabels("error", true)
+			w.span.AddLabels("err", err.Error())
 		}
 		w.span.Finish()
 	}
-	/*
-		if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
-			w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Rollback", getCallerName(), td, err)...)
-		}
-	*/
+
+	if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
+		w.opts.Logger.Fields(w.opts.LoggerObserver(w.ctx, "Rollback", labelUnknown, td, err)...).Log(w.ctx, w.opts.LoggerLevel)
+	}
+
 	w.ctx = nil
 
 	return err

wrap.go

@@ -4,13 +4,123 @@ import (
 	"database/sql/driver"
 )
 
-/*
 func wrapDriver(d driver.Driver, opts Options) driver.Driver {
 	if _, ok := d.(driver.DriverContext); ok {
 		return &wrapperDriver{driver: d, opts: opts}
 	}
 	return struct{ driver.Driver }{&wrapperDriver{driver: d, opts: opts}}
 }
+
+/*
+func wrapStmt(stmt driver.Stmt, query string, opts Options) driver.Stmt {
+	var (
+		_, hasExeCtx     = stmt.(driver.StmtExecContext)
+		_, hasQryCtx     = stmt.(driver.StmtQueryContext)
+		wc, hasColConv   = stmt.(driver.ColumnConverter) //nolint:staticcheck
+		wn, hasNamValChk = stmt.(driver.NamedValueChecker)
+	)
+
+	ws := &wrapperStmt{stmt: stmt, query: query, opts: opts}
+	switch {
+	case !hasExeCtx && !hasQryCtx && !hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+		}{ws}
+	case !hasExeCtx && hasQryCtx && !hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtQueryContext
+		}{ws, ws}
+	case hasExeCtx && !hasQryCtx && !hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+		}{ws, ws}
+	case hasExeCtx && hasQryCtx && !hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.StmtQueryContext
+		}{ws, ws, ws}
+	case !hasExeCtx && !hasQryCtx && hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.ColumnConverter
+		}{ws, wc}
+	case !hasExeCtx && hasQryCtx && hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtQueryContext
+			driver.ColumnConverter
+		}{ws, ws, wc}
+	case hasExeCtx && !hasQryCtx && hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.ColumnConverter
+		}{ws, ws, wc}
+	case hasExeCtx && hasQryCtx && hasColConv && !hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.StmtQueryContext
+			driver.ColumnConverter
+		}{ws, ws, ws, wc}
+	case !hasExeCtx && !hasQryCtx && !hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.NamedValueChecker
+		}{ws, wn}
+	case !hasExeCtx && hasQryCtx && !hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtQueryContext
+			driver.NamedValueChecker
+		}{ws, ws, wn}
+	case hasExeCtx && !hasQryCtx && !hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.NamedValueChecker
+		}{ws, ws, wn}
+	case hasExeCtx && hasQryCtx && !hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.StmtQueryContext
+			driver.NamedValueChecker
+		}{ws, ws, ws, wn}
+	case !hasExeCtx && !hasQryCtx && hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.ColumnConverter
+			driver.NamedValueChecker
+		}{ws, wc, wn}
+	case !hasExeCtx && hasQryCtx && hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtQueryContext
+			driver.ColumnConverter
+			driver.NamedValueChecker
+		}{ws, ws, wc, wn}
+	case hasExeCtx && !hasQryCtx && hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.ColumnConverter
+			driver.NamedValueChecker
+		}{ws, ws, wc, wn}
+	case hasExeCtx && hasQryCtx && hasColConv && hasNamValChk:
+		return struct {
+			driver.Stmt
+			driver.StmtExecContext
+			driver.StmtQueryContext
+			driver.ColumnConverter
+			driver.NamedValueChecker
+		}{ws, ws, ws, wc, wn}
+	}
+	panic("unreachable")
+}
 */
 
 // WrapConn allows an existing driver.Conn to be wrapped.