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benchmark: add sqlite prepare select get
  • Loading branch information
H4ad committed Apr 26, 2025
commit f130dc37de658aa598b9049a2f14a959d155d3d0
55 changes: 55 additions & 0 deletions benchmark/sqlite/sqlite-prepare-select-get.js
Original file line number Diff line number Diff line change
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'use strict';
const common = require('../common.js');
const sqlite = require('node:sqlite');
const assert = require('assert');

const bench = common.createBenchmark(main, {
n: [1e5],
tableSeedSize: [1e5],
statement: [
'SELECT 1',
'SELECT * FROM foo LIMIT 1',
'SELECT text_column FROM foo LIMIT 1',
'SELECT text_column, integer_column FROM foo LIMIT 1',
'SELECT text_column, integer_column, real_column FROM foo LIMIT 1',
'SELECT text_column, integer_column, real_column, blob_column FROM foo LIMIT 1',
'SELECT text_8kb_column FROM foo_large LIMIT 1',
],
});

function main(conf) {
const db = new sqlite.DatabaseSync(':memory:');

db.exec('CREATE TABLE foo (text_column TEXT, integer_column INTEGER, real_column REAL, blob_column BLOB)');
const fooInsertStatement = db.prepare(
'INSERT INTO foo (text_column, integer_column, real_column, blob_column) VALUES (?, ?, ?, ?)',
);

for (let i = 0; i < conf.tableSeedSize; i++) {
fooInsertStatement.run(
crypto.randomUUID(),
Math.floor(Math.random() * 100),
Math.random(),
Buffer.from('example blob data'),
);
}

db.exec('CREATE TABLE foo_large (text_8kb_column TEXT)');
const fooLargeInsertStatement = db.prepare('INSERT INTO foo_large (text_8kb_column) VALUES (?)');
const largeText = 'a'.repeat(8 * 1024);
for (let i = 0; i < conf.tableSeedSize; i++) {
fooLargeInsertStatement.run(largeText);
}

let i;
let deadCodeElimination;

const stmt = db.prepare(conf.statement);

bench.start();
for (i = 0; i < conf.n; i += 1)
deadCodeElimination = stmt.get();
bench.end(conf.n);

assert.ok(deadCodeElimination !== undefined);
}