hatch-surf/internal/store/db.go

59 lines
1.4 KiB
Go

package store
import (
"database/sql"
_ "embed"
"fmt"
_ "modernc.org/sqlite"
"os"
"path/filepath"
)
//go:embed schema.sql
var schemaSQL string
//go:embed schema_spaces.sql
var schemaSpacesSQL string
func Open(dbPath string) (Repository, error) {
if dbPath == "" {
dbPath = filepath.Join("data", "hatch.db")
}
dir := filepath.Dir(dbPath)
if err := os.MkdirAll(dir, 0o755); err != nil {
return nil, fmt.Errorf("store: create db dir %s: %w", dir, err)
}
conn, err := sql.Open("sqlite", dbPath+"?_journal_mode=WAL&_busy_timeout=5000")
if err != nil {
return nil, fmt.Errorf("store: open %s: %w", dbPath, err)
}
// SQLite supports only one writer at a time. Using MaxOpenConns(1)
// prevents "database is locked" errors under concurrent writes.
// For read-heavy workloads with WAL mode, this can be increased,
// but the single-writer constraint remains.
conn.SetMaxOpenConns(1)
conn.SetMaxIdleConns(1)
conn.SetConnMaxLifetime(0) // No limit; SQLite connections are lightweight.
if err := migrate(conn); err != nil {
conn.Close()
return nil, fmt.Errorf("store: migrate: %w", err)
}
return NewSQLiteRepo(conn)
}
func migrate(db *sql.DB) error {
// Load main schema
_, err := db.Exec(schemaSQL)
if err != nil {
return fmt.Errorf("store/migrate: %w", err)
}
// Load spaces schema
_, err = db.Exec(schemaSpacesSQL)
if err != nil {
return fmt.Errorf("store/migrate spaces: %w", err)
}
return nil
}