89 lines
1.9 KiB
TypeScript
89 lines
1.9 KiB
TypeScript
import {
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bench,
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runBenchmarks,
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} from "https://deno.land/std@0.135.0/testing/bench.ts";
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import { DB } from "./mod.ts";
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if (Deno.args[0]) {
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try {
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await Deno.remove(Deno.args[0]);
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} catch (_) {
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// ignore
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}
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}
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const dbFile = Deno.args[0] || ":memory:";
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const db = new DB(dbFile);
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db.query(
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"CREATE TABLE users (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, balance INTEGER)",
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);
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/** Performance of insert statements (1 insert). */
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const names = "Deno Land Peter Parker Clark Kent Robert Parr".split(" ");
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bench({
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name: "insert 10 000 (named)",
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runs: 100,
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func: (b): void => {
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b.start();
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const query = db.prepareQuery(
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"INSERT INTO users (name, balance) VALUES (:name, :balance)",
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);
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db.query("begin");
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for (let i = 0; i < 10_000; i++) {
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query.execute({ name: names[i % names.length], balance: i });
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}
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db.query("commit");
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b.stop();
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},
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});
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bench({
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name: "insert 10 000 (positional)",
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runs: 100,
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func: (b): void => {
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b.start();
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const query = db.prepareQuery(
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"INSERT INTO users (name, balance) VALUES (?, ?)",
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);
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db.query("begin");
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for (let i = 0; i < 10_000; i++) {
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query.execute([names[i % names.length], i]);
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}
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db.query("commit");
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b.stop();
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},
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});
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/** Performance of select statements (select all; 10_000). */
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bench({
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name: "select 10 000 (select all)",
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runs: 100,
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func: (b): void => {
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b.start();
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db.query(
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"SELECT name, balance FROM users LIMIT 10000",
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);
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b.stop();
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},
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});
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/** Performance of select statements (select individually; 10_000). */
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bench({
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name: "select 10 000 (select first)",
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runs: 100,
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func: (b): void => {
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b.start();
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const query = db.prepareQuery(
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"SELECT name, balance FROM users WHERE id = ?",
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);
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for (let id = 1; id <= 10_000; id++) {
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query.first([id]);
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}
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b.stop();
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},
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});
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runBenchmarks();
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