80 lines
1.5 KiB
Go
80 lines
1.5 KiB
Go
package sqlx
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import (
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"math/rand"
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"testing"
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)
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func oldBindType(driverName string) int {
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switch driverName {
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case "postgres", "pgx", "pq-timeouts", "cloudsqlpostgres", "ql":
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return DOLLAR
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case "mysql":
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return QUESTION
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case "sqlite3":
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return QUESTION
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case "oci8", "ora", "goracle", "godror":
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return NAMED
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case "sqlserver":
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return AT
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}
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return UNKNOWN
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}
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/*
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sync.Map implementation:
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goos: linux
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goarch: amd64
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pkg: github.com/jmoiron/sqlx
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BenchmarkBindSpeed/old-4 100000000 11.0 ns/op
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BenchmarkBindSpeed/new-4 24575726 50.8 ns/op
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async.Value map implementation:
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goos: linux
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goarch: amd64
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pkg: github.com/jmoiron/sqlx
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BenchmarkBindSpeed/old-4 100000000 11.0 ns/op
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BenchmarkBindSpeed/new-4 42535839 27.5 ns/op
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*/
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func BenchmarkBindSpeed(b *testing.B) {
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testDrivers := []string{
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"postgres", "pgx", "mysql", "sqlite3", "ora", "sqlserver",
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}
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b.Run("old", func(b *testing.B) {
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b.StopTimer()
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var seq []int
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for i := 0; i < b.N; i++ {
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seq = append(seq, rand.Intn(len(testDrivers)))
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}
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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s := oldBindType(testDrivers[seq[i]])
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if s == UNKNOWN {
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b.Error("unknown driver")
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}
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}
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})
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b.Run("new", func(b *testing.B) {
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b.StopTimer()
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var seq []int
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for i := 0; i < b.N; i++ {
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seq = append(seq, rand.Intn(len(testDrivers)))
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}
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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s := BindType(testDrivers[seq[i]])
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if s == UNKNOWN {
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b.Error("unknown driver")
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}
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}
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})
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}
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