local.go
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package engines
import (
"database/sql"
"fmt"
"congo.gg/pkg/database"
_ "github.com/tursodatabase/go-libsql"
)
// NewLocal creates a new local file database engine.
func NewLocal(path string) (*database.Database, error) {
// Use file: prefix for local file databases
// WAL mode and busy timeout are set for better concurrency
dsn := "file:" + path + "?_journal_mode=WAL&_busy_timeout=5000"
db, err := sql.Open("libsql", dsn)
if err != nil {
return nil, fmt.Errorf("open local database: %w", err)
}
// libSQL/SQLite handles concurrency internally
db.SetMaxOpenConns(1)
return &database.Database{DB: db}, nil
}