GOMODULES
/
pgx
mirror of https://github.com/jackc/pgx.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add benchmarks for NullX vs pointer to pointer

pull/89/merge
Jack Christensen 2015-09-08 12:08:20 -05:00
parent 272262536b
commit 73135865e7
1 changed files with 241 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

241
bench_test.go
View File

@ -3,6 +3,7 @@ package pgx_test
import (
"github.com/jackc/pgx"
"testing"
"time"
)
func BenchmarkConnPool(b *testing.B) {
@ -22,3 +23,243 @@ func BenchmarkConnPool(b *testing.B) {
pool.Release(conn)
}
}
func BenchmarkNullXWithNullValues(b *testing.B) {
conn := mustConnect(b, *defaultConnConfig)
defer closeConn(b, conn)
_, err := conn.Prepare("selectNulls", "select 1::int4, 'johnsmith', null::text, null::text, null::text, null::date, null::timestamptz")
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var record struct {
id int32
userName string
email pgx.NullString
name pgx.NullString
sex pgx.NullString
birthDate pgx.NullTime
lastLoginTime pgx.NullTime
}
err = conn.QueryRow("selectNulls").Scan(
&record.id,
&record.userName,
&record.email,
&record.name,
&record.sex,
&record.birthDate,
&record.lastLoginTime,
)
if err != nil {
b.Fatal(err)
}
// These checks both ensure that the correct data was returned
// and provide a benchmark of accessing the returned values.
if record.id != 1 {
b.Fatalf("bad value for id: %v", record.id)
}
if record.userName != "johnsmith" {
b.Fatalf("bad value for userName: %v", record.userName)
}
if record.email.Valid {
b.Fatalf("bad value for email: %v", record.email)
}
if record.name.Valid {
b.Fatalf("bad value for name: %v", record.name)
}
if record.sex.Valid {
b.Fatalf("bad value for sex: %v", record.sex)
}
if record.birthDate.Valid {
b.Fatalf("bad value for birthDate: %v", record.birthDate)
}
if record.lastLoginTime.Valid {
b.Fatalf("bad value for lastLoginTime: %v", record.lastLoginTime)
}
}
}
func BenchmarkNullXWithPresentValues(b *testing.B) {
conn := mustConnect(b, *defaultConnConfig)
defer closeConn(b, conn)
_, err := conn.Prepare("selectNulls", "select 1::int4, 'johnsmith', 'johnsmith@example.com', 'John Smith', 'male', '1970-01-01'::date, '2015-01-01 00:00:00'::timestamptz")
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var record struct {
id int32
userName string
email pgx.NullString
name pgx.NullString
sex pgx.NullString
birthDate pgx.NullTime
lastLoginTime pgx.NullTime
}
err = conn.QueryRow("selectNulls").Scan(
&record.id,
&record.userName,
&record.email,
&record.name,
&record.sex,
&record.birthDate,
&record.lastLoginTime,
)
if err != nil {
b.Fatal(err)
}
// These checks both ensure that the correct data was returned
// and provide a benchmark of accessing the returned values.
if record.id != 1 {
b.Fatalf("bad value for id: %v", record.id)
}
if record.userName != "johnsmith" {
b.Fatalf("bad value for userName: %v", record.userName)
}
if !record.email.Valid || record.email.String != "johnsmith@example.com" {
b.Fatalf("bad value for email: %v", record.email)
}
if !record.name.Valid || record.name.String != "John Smith" {
b.Fatalf("bad value for name: %v", record.name)
}
if !record.sex.Valid || record.sex.String != "male" {
b.Fatalf("bad value for sex: %v", record.sex)
}
if !record.birthDate.Valid || record.birthDate.Time != time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local) {
b.Fatalf("bad value for birthDate: %v", record.birthDate)
}
if !record.lastLoginTime.Valid || record.lastLoginTime.Time != time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local) {
b.Fatalf("bad value for lastLoginTime: %v", record.lastLoginTime)
}
}
}
func BenchmarkPointerPointerWithNullValues(b *testing.B) {
conn := mustConnect(b, *defaultConnConfig)
defer closeConn(b, conn)
_, err := conn.Prepare("selectNulls", "select 1::int4, 'johnsmith', null::text, null::text, null::text, null::date, null::timestamptz")
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var record struct {
id int32
userName string
email *string
name *string
sex *string
birthDate *time.Time
lastLoginTime *time.Time
}
err = conn.QueryRow("selectNulls").Scan(
&record.id,
&record.userName,
&record.email,
&record.name,
&record.sex,
&record.birthDate,
&record.lastLoginTime,
)
if err != nil {
b.Fatal(err)
}
// These checks both ensure that the correct data was returned
// and provide a benchmark of accessing the returned values.
if record.id != 1 {
b.Fatalf("bad value for id: %v", record.id)
}
if record.userName != "johnsmith" {
b.Fatalf("bad value for userName: %v", record.userName)
}
if record.email != nil {
b.Fatalf("bad value for email: %v", record.email)
}
if record.name != nil {
b.Fatalf("bad value for name: %v", record.name)
}
if record.sex != nil {
b.Fatalf("bad value for sex: %v", record.sex)
}
if record.birthDate != nil {
b.Fatalf("bad value for birthDate: %v", record.birthDate)
}
if record.lastLoginTime != nil {
b.Fatalf("bad value for lastLoginTime: %v", record.lastLoginTime)
}
}
}
func BenchmarkPointerPointerWithPresentValues(b *testing.B) {
conn := mustConnect(b, *defaultConnConfig)
defer closeConn(b, conn)
_, err := conn.Prepare("selectNulls", "select 1::int4, 'johnsmith', 'johnsmith@example.com', 'John Smith', 'male', '1970-01-01'::date, '2015-01-01 00:00:00'::timestamptz")
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var record struct {
id int32
userName string
email *string
name *string
sex *string
birthDate *time.Time
lastLoginTime *time.Time
}
err = conn.QueryRow("selectNulls").Scan(
&record.id,
&record.userName,
&record.email,
&record.name,
&record.sex,
&record.birthDate,
&record.lastLoginTime,
)
if err != nil {
b.Fatal(err)
}
// These checks both ensure that the correct data was returned
// and provide a benchmark of accessing the returned values.
if record.id != 1 {
b.Fatalf("bad value for id: %v", record.id)
}
if record.userName != "johnsmith" {
b.Fatalf("bad value for userName: %v", record.userName)
}
if record.email == nil || *record.email != "johnsmith@example.com" {
b.Fatalf("bad value for email: %v", record.email)
}
if record.name == nil || *record.name != "John Smith" {
b.Fatalf("bad value for name: %v", record.name)
}
if record.sex == nil || *record.sex != "male" {
b.Fatalf("bad value for sex: %v", record.sex)
}
if record.birthDate == nil || *record.birthDate != time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local) {
b.Fatalf("bad value for birthDate: %v", record.birthDate)
}
if record.lastLoginTime == nil || *record.lastLoginTime != time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local) {
b.Fatalf("bad value for lastLoginTime: %v", record.lastLoginTime)
}
}
}