diff options
| -rw-r--r-- | migrate/changeset/databases/sqlite.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/migrate/changeset/databases/sqlite.py b/migrate/changeset/databases/sqlite.py index 92d42f2..d44b3b3 100644 --- a/migrate/changeset/databases/sqlite.py +++ b/migrate/changeset/databases/sqlite.py @@ -96,8 +96,17 @@ class SQLiteHelper(SQLiteCommon): if omit_constraints is None or cons.name not in omit_constraints ]) + # Use "PRAGMA legacy_alter_table = ON" with sqlite >= 3.26 when + # using "ALTER TABLE RENAME TO migration_tmp" to maintain legacy + # behavior. See: https://www.sqlite.org/src/info/ae9638e9c0ad0c36 + if self.connection.engine.dialect.server_version_info >= (3, 26): + self.append('PRAGMA legacy_alter_table = ON') + self.execute() self.append('ALTER TABLE %s RENAME TO migration_tmp' % table_name) self.execute() + if self.connection.engine.dialect.server_version_info >= (3, 26): + self.append('PRAGMA legacy_alter_table = OFF') + self.execute() insertion_string = self._modify_table(table, column, delta) |