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94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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//
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// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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// +build go1.8
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package mysql
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import (
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"context"
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"database/sql"
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"fmt"
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"runtime"
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"testing"
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)
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func benchmarkQueryContext(b *testing.B, db *sql.DB, p int) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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db.SetMaxIdleConns(p * runtime.GOMAXPROCS(0))
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tb := (*TB)(b)
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stmt := tb.checkStmt(db.PrepareContext(ctx, "SELECT val FROM foo WHERE id=?"))
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defer stmt.Close()
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b.SetParallelism(p)
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b.ReportAllocs()
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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var got string
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for pb.Next() {
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tb.check(stmt.QueryRow(1).Scan(&got))
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if got != "one" {
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b.Fatalf("query = %q; want one", got)
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}
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}
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})
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}
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func BenchmarkQueryContext(b *testing.B) {
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db := initDB(b,
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"DROP TABLE IF EXISTS foo",
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"CREATE TABLE foo (id INT PRIMARY KEY, val CHAR(50))",
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`INSERT INTO foo VALUES (1, "one")`,
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`INSERT INTO foo VALUES (2, "two")`,
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)
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defer db.Close()
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for _, p := range []int{1, 2, 3, 4} {
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b.Run(fmt.Sprintf("%d", p), func(b *testing.B) {
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benchmarkQueryContext(b, db, p)
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})
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}
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}
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func benchmarkExecContext(b *testing.B, db *sql.DB, p int) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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db.SetMaxIdleConns(p * runtime.GOMAXPROCS(0))
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tb := (*TB)(b)
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stmt := tb.checkStmt(db.PrepareContext(ctx, "DO 1"))
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defer stmt.Close()
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b.SetParallelism(p)
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b.ReportAllocs()
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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if _, err := stmt.ExecContext(ctx); err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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func BenchmarkExecContext(b *testing.B) {
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db := initDB(b,
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"DROP TABLE IF EXISTS foo",
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"CREATE TABLE foo (id INT PRIMARY KEY, val CHAR(50))",
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`INSERT INTO foo VALUES (1, "one")`,
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`INSERT INTO foo VALUES (2, "two")`,
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)
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defer db.Close()
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for _, p := range []int{1, 2, 3, 4} {
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b.Run(fmt.Sprintf("%d", p), func(b *testing.B) {
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benchmarkQueryContext(b, db, p)
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})
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}
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}
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