| 1 | #ifndef __SCHEMA_MIGRATION__␊ |
| 2 | #define __SCHEMA_MIGRATION__␊ |
| 3 | ␊ |
| 4 | // copyright (C) 2002, 2003 graydon hoare <graydon@pobox.com>␊ |
| 5 | // all rights reserved.␊ |
| 6 | // licensed to the public under the terms of the GNU GPL (>= 2)␊ |
| 7 | // see the file COPYING for details␊ |
| 8 | ␊ |
| 9 | #include <string>␊ |
| 10 | #include <vector>␊ |
| 11 | ␊ |
| 12 | // this file knows how to migrate schema databases. the general strategy is␊ |
| 13 | // to hash each schema we ever use, and make a list of the SQL commands␊ |
| 14 | // required to get from one hash value to the next. when you do a␊ |
| 15 | // migration, the migrator locates your current db's state on the list and␊ |
| 16 | // then runs all the migration functions between that point and the target␊ |
| 17 | // of the migration.␊ |
| 18 | ␊ |
| 19 | struct sqlite;␊ |
| 20 | ␊ |
| 21 | void calculate_schema_id(sqlite *sql, std::string & id);␊ |
| 22 | void migrate_depot_schema(sqlite *sql);␊ |
| 23 | void migrate_monotone_schema(sqlite *sql);␊ |
| 24 | ␊ |
| 25 | #endif // __SCHEMA_MIGRATION__␊ |
