Skip to content

benchmark: sqlite prevent create both tables on prepare select #59709

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 3, 2025
+52 −38
Merged

benchmark: sqlite prevent create both tables on prepare select #59709

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
45 changes: 26 additions & 19 deletions benchmark/sqlite/sqlite-prepare-select-all.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,25 +26,33 @@ const bench = common.createBenchmark(main, {
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'),
// Create only the necessary table for the benchmark type.
// If the statement includes 'foo_large', create the foo_large table; otherwise, create the foo table.
if (conf.statement.includes('foo_large')) {
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);
}
} else {
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 (?, ?, ?, ?)',
);
}

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

let i;
Expand All @@ -53,8 +61,7 @@ function main(conf) {
const stmt = db.prepare(conf.statement);

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

assert.ok(deadCodeElimination !== undefined);
Expand Down
45 changes: 26 additions & 19 deletions benchmark/sqlite/sqlite-prepare-select-get.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -20,25 +20,33 @@ const bench = common.createBenchmark(main, {
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'),
// Create only the necessary table for the benchmark type.
// If the statement includes 'foo_large', create the foo_large table; otherwise, create the foo table.
if (conf.statement.includes('foo_large')) {
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);
}
} else {
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 (?, ?, ?, ?)',
);
}

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

let i;
Expand All @@ -47,8 +55,7 @@ function main(conf) {
const stmt = db.prepare(conf.statement);

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

assert.ok(deadCodeElimination !== undefined);
Expand Down
Loading