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