migrationRegister method
Implementation
MigrationRunner migrationRegister(List<Migration> migrations) {
_migrations.clear();
for (var migration in migrations) {
String name = migration.migrationName;
if (_migrations.containsKey(name)) {
throw DatabaseException(
'Duplicate migration name "$name". Every migration class must '
'produce a unique name.',
);
}
_migrations[name] = migration;
}
return this;
}