Source
List<String> get errorMessages {
if (expectedTable == null && actualTable != null) {
return [
"Table '$actualTable' should NOT exist, but is created by migration files."
];
} else if (expectedTable != null && actualTable == null) {
return [
"Table '$expectedTable' should exist, but it is NOT created by migration files."
];
}
return differingColumns.expand((diff) => diff.errorMessages(this)).toList();
}