SQLite Driver

SQLite is useful for tests, local tooling, and single-process applications.

Packages

import (
    "database/sql"

    "github.com/yaop-labs/queen"
    "github.com/yaop-labs/queen/drivers/sqlite"
    _ "github.com/mattn/go-sqlite3"
)

db, err := sql.Open("sqlite3", "./app.db?_journal_mode=WAL")
if err != nil {
    return err
}

q := queen.New(sqlite.New(db))

How it works

Area	Implementation
Migration table	SQLite table with WITHOUT ROWID.
Identifier quoting	Double quotes.
Placeholders	?.
Timestamp parsing	Queen parses SQLite text timestamps.
Locking	Sets busy_timeout, sets locking_mode=EXCLUSIVE, runs BEGIN IMMEDIATE, then commits.
Execution	database/sql transaction through the shared base driver.
Atomic record	No. Migration body commits before Record.

Guarantees

• SQL statements supported by SQLite transactions are run inside a transaction.
• The driver works well for in-memory and file-backed local databases.

Limitations

• The current lock path does not hold a pinned lock transaction for the full migration duration.
• Do not use SQLite locking as distributed coordination between multiple migrator processes.
• Metadata record writes are not atomic with the migration body.
• Some SQLite DDL behavior depends on SQLite version and pragma settings.

Recommended local DSN

./app.db?_journal_mode=WAL&_busy_timeout=5000