38 lines
904 B
Go

package dialectquery
import "fmt"
type sqlite3 struct {
table string
}
func (s *sqlite3) CreateTable() string {
q := `CREATE TABLE %s (
id INTEGER PRIMARY KEY AUTOINCREMENT,
version_id INTEGER NOT NULL,
is_applied INTEGER NOT NULL,
tstamp TIMESTAMP DEFAULT (datetime('now'))
)`
return fmt.Sprintf(q, s.table)
}
func (s *sqlite3) InsertVersion() string {
q := `INSERT INTO %s (version_id, is_applied) VALUES (?, ?)`
return fmt.Sprintf(q, s.table)
}
func (s *sqlite3) DeleteVersion() string {
q := `DELETE FROM %s WHERE version_id=?`
return fmt.Sprintf(q, s.table)
}
func (s *sqlite3) GetMigrationByVersion() string {
q := `SELECT tstamp, is_applied FROM %s WHERE version_id=? ORDER BY tstamp DESC LIMIT 1`
return fmt.Sprintf(q, s.table)
}
func (s *sqlite3) ListMigrations() string {
q := `SELECT version_id, is_applied from %s ORDER BY id DESC`
return fmt.Sprintf(q, s.table)
}