};
}
@Override
public MergerToken createSetAllowNullToDb(DbEntity entity, DbAttribute column) {
return new SetAllowNullToDb(entity, column) {
public List<String> createSql(DbAdapter adapter) {
QuotingStrategy context = adapter.getQuotingStrategy();
String entityName = context.quotedFullyQualifiedName(getEntity()) ;
String columnName = context.quotedName(getColumn());
// Firebird doesn't support ALTER TABLE table_name ALTER column_name DROP NOT NULL