41 lines
910 B
Go
41 lines
910 B
Go
package sqlite
|
|
|
|
import (
|
|
"database/sql"
|
|
_ "github.com/mattn/go-sqlite3"
|
|
"github.com/sirupsen/logrus"
|
|
"mapserver/vfs"
|
|
"time"
|
|
)
|
|
|
|
type Sqlite3Accessor struct {
|
|
db *sql.DB
|
|
filename string
|
|
}
|
|
|
|
func (db *Sqlite3Accessor) Migrate() error {
|
|
log.WithFields(logrus.Fields{"filename": db.filename}).Info("Migrating database")
|
|
start := time.Now()
|
|
_, err := db.db.Exec(vfs.FSMustString(false, "/sql/sqlite_mapobjectdb_migrate.sql"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
t := time.Now()
|
|
elapsed := t.Sub(start)
|
|
log.WithFields(logrus.Fields{"elapsed": elapsed}).Info("Migration completed")
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *Sqlite3Accessor) EnableSpeedSafetyTradeoff(enableSpeed bool) error {
|
|
if enableSpeed {
|
|
_, err := db.db.Exec("PRAGMA journal_mode = MEMORY; PRAGMA synchronous = OFF;")
|
|
return err
|
|
|
|
} else {
|
|
_, err := db.db.Exec("PRAGMA journal_mode = TRUNCATE; PRAGMA synchronous = ON;")
|
|
return err
|
|
|
|
}
|
|
}
|