mirror of
https://github.com/dolthub/dolt.git
synced 2026-01-13 18:49:55 -06:00
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright 2022 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package serverbench
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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_ "github.com/go-sql-driver/mysql"
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"github.com/gocraft/dbr/v2"
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)
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func init() {
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connStr := fmt.Sprintf("%v:%v@tcp(%v:%v)/%s",
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"root", "", "127.0.0.1", 3306, "diffbench")
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conn, err := dbr.Open("mysql", connStr, nil)
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if err != nil {
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panic(err)
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}
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sess = conn.NewSession(&dbr.NullEventReceiver{})
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}
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var sess *dbr.Session
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func BenchmarkServerDiff(b *testing.B) {
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b.Run("point diff", func(b *testing.B) {
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benchmarkQuery(b, "SELECT count(*) "+
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"FROM dolt_commit_diff_difftbl "+
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"WHERE to_commit=HASHOF('HEAD') "+
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"AND from_commit=HASHOF('HEAD^')")
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})
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b.Run("point lookup", func(b *testing.B) {
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benchmarkQuery(b, "SELECT * FROM difftbl WHERE pk = 12345")
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})
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}
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func benchmarkQuery(b *testing.B, query string) {
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for i := 0; i < b.N; i++ {
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r, err := sess.Query(query)
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require.NoError(b, err)
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require.NoError(b, r.Close())
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}
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}
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