(conn *sql.DB)
| 146 | } |
| 147 | |
| 148 | func checkMigrateVersion(conn *sql.DB) (int, error) { |
| 149 | var version int |
| 150 | rows, err := conn.Query(`SELECT version FROM schema_migrations LIMIT 1;`) |
| 151 | if err != nil { |
| 152 | return -1, nil // not migrated |
| 153 | } |
| 154 | for rows.Next() { |
| 155 | if err := rows.Scan(&version); err != nil { |
| 156 | return 0, xerrors.Errorf("scan version: %w", err) |
| 157 | } |
| 158 | } |
| 159 | return version, nil |
| 160 | } |